supplierAutomat

.agents/skills/automat/SKILL.md

@@ -0,0 +1,208 @@
+---
+name: automat
+description: >-
+  Lightweight out-of-tree state management for React PureComponent with zero hooks, HOCs, or Context Providers.
+  Use this skill whenever creating, modifying, or consuming Automat stores in React components, setting up
+  subscriptions or fine-grained selectors, configuring cascading invalidations, handling binary blobs/fetchers, or streaming via SSE.
+---
+
+# ⚙ react-automat
+
+> Zero-dependency higher-order state container for React `PureComponent`. State lives in module scope (independent of mounting). Components read state synchronously in `constructor` and subscribe in `componentDidMount`. No Context, hooks, or HOCs.
+
+[![npm version](https://img.shields.io/npm/v/react-automat?style=flat-square&color=crimson)](https://www.npmjs.com/package/react-automat)
+[![bundle size](https://img.shields.io/bundlephobia/minzip/react-automat?style=flat-square&color=22c55e&label=minzipped)](https://bundlephobia.com/package/react-automat)
+[![Live Interactive Demo](https://img.shields.io/badge/Live%20Demo-sebgreen.net%2Fautomat-6366f1?style=flat-square)](https://sebgreen.net/automat/)
+[![License: 0BSD](https://img.shields.io/badge/License-0BSD-blue.svg?style=flat-square)](LICENSE)
+
+```bash
+npm install react-automat
+# or: pnpm add react-automat | yarn add react-automat | bun add react-automat
+```
+
+---
+
+## 1. Complete Type Signatures
+
+```ts
+import type { PureComponent } from 'react';
+
+export interface AutomatOptions<T> {
+  name?: string | null;      // window.__AUTOMATS__ key & Automat.get(name)
+  persist?: boolean;         // false = window (default), true = IndexedDB
+  url?: string | null;       // Auto-triggers fetcher(url) on init
+  fetcher?: (url: string, automat?: Automat<T, any>) => Promise<T>;
+}
+
+export type Selector<T, S = any> = keyof T | (keyof T)[] | ((state: T) => S | null | undefined);
+
+export interface ScopedSlice<S> {
+  readonly state: S;
+  subscribe(target: PureComponent | ((slice: S) => void)): () => void;
+}
+
+export interface BlobResource {
+  blob: Blob; url: string; size: number; type: string; loadedAt: string;
+  revoke: () => void; // Auto-called on setDirty() / dispose() to release memory
+}
+
+export interface SSEOptions<T = any, A = any> {
+  onMessage?: (data: any, event: string, automat: Automat<T, A>) => void;
+  events?: Record<string, (data: any, automat: Automat<T, A>) => void>;
+  onError?: (err: any, automat: Automat<T, A>) => void;
+}
+
+export class Automat<T = any, A = Record<string, Function>> {
+  constructor(initialState?: T | null, actions?: A, options?: AutomatOptions<T>);
+
+  readonly state: T;
+  getState(): T;
+  setState(partial: Partial<T> | ((prev: T) => Partial<T>)): T;
+  readonly actions: A;
+
+  readonly isReady: boolean;
+  readonly isDirty: boolean;
+  readonly ready: Promise<T>; // Re-awaitable after setDirty()
+  readonly name: string | null;
+  readonly persist: boolean;
+  readonly url: string | null;
+  readonly subscriberCount: number;
+
+  subscribe(target: PureComponent | ((state: T, partial?: Partial<T>) => void), selector?: Selector<T>): () => void;
+  select<S = any>(selector: Selector<T, S>): ScopedSlice<S>;
+  unsubscribe(target: any): void;
+
+  subscribeTo<U = any>(
+    upstream: Automat<U, any>,
+    transform: (upstreamState: U, currentState: T) => Partial<T> | null | undefined,
+    options?: { cascadeDirty?: boolean | ((upstream: U, current: T) => boolean) }
+  ): this;
+
+  invalidateWith<U = any>(upstream: Automat<U, any>, filterFn?: (upstream: U, current: T) => boolean): this;
+  onDirty(fn: (automat: this) => void): () => void;
+
+  setDirty(): Promise<T>;   // Resets state to null/default, revokes blobs, cascades, defers if unmounted
+  reload(): Promise<T>;     // Silent background re-fetch; preserves state & isReady=true
+  refresh(): Promise<T>;    // Alias for reload()
+  read(): T;                // For Suspense: throws ready promise if unready; triggers deferred load if dirty
+
+  clearPersistence(): Promise<void>;
+  dispose(): void;          // Unsubs all, revokes blobs, deletes from window registry
+
+  static get<T = any, A = any>(name: string): Automat<T, A> | undefined;
+  static combine<M extends Record<string, Automat<any, any>>>(automats: M): Automat<CombinedState<M>, CombinedActions<M>>;
+}
+
+// Fetchers & SSE
+export function fetchJson<T = any>(url: string, options?: RequestInit): Promise<T>;
+export function fetchBlob(url: string, options?: RequestInit): Promise<BlobResource>;
+export const fetchImageBlob: typeof fetchBlob;
+export const fetchPdfBlob: typeof fetchBlob;
+export function connectSSE<T, A>(automat: Automat<T, A>, url: string, options?: SSEOptions<T, A>): { eventSource: EventSource | null; close: () => void };
+export function createSSEFetcher(sseUrl: string, baseFetcher?: Function, sseOptions?: SSEOptions): (url: string, automat?: any) => Promise<any>;
+```
+
+## 2. Canonical Usage Patterns
+
+### A. PureComponent Subscription
+```jsx
+import { PureComponent } from 'react';
+import { Automat } from 'react-automat';
+
+const store = new Automat({ count: 0 }, { inc: () => store.setState({ count: store.state.count + 1 }) });
+
+class Counter extends PureComponent {
+  constructor(props) { super(props); this.state = store.state; } // Sync read, never stale
+  componentDidMount() { this.unsub = store.subscribe(this); }    // Auto-calls this.setState(partial)
+  componentWillUnmount() { this.unsub(); }
+  render() { return <button onClick={store.actions.inc}>{this.state.count}</button>; }
+}
+```
+
+### B. Fine-Grained Selectors (Shallow-guarded, 0 renders if slice unchanged)
+```js
+store.subscribe(this, 'count');                         // Single key
+store.subscribe(this, ['theme', 'locale']);             // Multi key
+store.subscribe(this, (s) => ({ items: s.list.length }));// Projection function
+```
+
+### C. Unconnected Component via Window (Zero imports of store file)
+```js
+const store = Automat.get('cart'); // or window.__AUTOMATS__?.get('cart')
+this.state = { count: store?.state?.items?.length || 0 };
+this.unsub = store?.subscribe(this, (s) => ({ count: s.items.length }));
+```
+
+### D. Backend API: React Suspense vs Standard
+```jsx
+const user = new Automat(null, {}, { url: '/api/user' });
+
+// Suspense: throws promise while unready
+const Profile = () => <div>{user.read().name}</div>;
+
+// Standard: check isReady
+class ProfileStandard extends PureComponent {
+  constructor(props) { super(props); this.state = { u: user.state }; }
+  componentDidMount() { this.unsub = user.subscribe(this, (u) => ({ u })); }
+  componentWillUnmount() { this.unsub(); }
+  render() { return !user.isReady ? <Spinner /> : <div>{this.state.u.name}</div>; }
+}
+```
+
+### E. Cascading Invalidation, Blobs & Memory Freeing
+```js
+const all = new Automat(null, {}, { name: 'photos/all', url: '/api/photos' });
+const p1 = new Automat(null, {}, { name: 'photo/1', url: '/api/photos/1', fetcher: fetchImageBlob });
+p1.invalidateWith(all); // p1 cascades setDirty() when all.setDirty() is called
+
+all.setDirty(); // p1 auto-revokes held Blob URL, resets state=null, defers reload if unmounted
+```
+
+### F. SSE Remote Trigger
+```js
+const live = new Automat({}, {
+  onSSETrigger(data, event, store) {
+    if (event === 'invalidate') store.setDirty();
+    if (event === 'reload') store.reload();
+  }
+});
+connectSSE(live, '/api/stream');
+```
+
+### G. Combine Automats
+```js
+const app = Automat.combine({
+  auth: authAutomat,
+  company: companyAutomat,
+});
+
+app.state.auth;                    // authAutomat.state
+app.state.company;                 // companyAutomat.state
+app.actions.auth.login();          // authAutomat.actions.login()
+app.actions.company.rename('Acme');
+
+// Notified when either child changes; selectors can isolate a branch.
+const unsubscribe = app.subscribe(this, (state) => ({
+  user: state.auth.user,
+  companyName: state.company.name,
+}));
+```
+
+The aggregate is derived: child updates automatically update the matching key. Its
+`isReady`, `isDirty`, `ready`, `read()`, `setDirty()`, and `reload()` operations cover
+all children. Calling `app.dispose()` only removes aggregate subscriptions; it does
+not dispose the child automats.
+
+## 3. Decision Matrix: `setDirty()` vs `reload()`
+
+| Method | `isReady` | State during fetch | Suspense | Unmounted | Use Case |
+|---|---|---|---|---|---|
+| `setDirty()` | `false` | Resets to `null`/init | Throws fallback | Deferred until mount/read | Cache bust, logout, hard reset |
+| `reload()` | `true` | Preserved | Never suspends | Immediate fetch | Polling, pull-to-refresh, sync |
+
+## 4. Invariant Rules
+- Read `store.state` synchronously in `constructor(props)` — never in render bodies.
+- Subscribe in `componentDidMount()` & store the returned `unsub`; unsubscribe in `componentWillUnmount()`.
+- Never mutate `store.state` directly (`store.state.x = 1` ❌); use `store.setState({ x })` or actions.
+- Pass selectors to `subscribe(this, selector)` on multi-key stores to skip redundant renders.
+- Never wrap components in Context Providers, HOCs, or custom hooks.

package-lock.json

@@ -16,12 +16,11 @@
         "@mui/material": "^9.4.0",
         "@reduxjs/toolkit": "^2.12.0",
         "@shopify/draggable": "^1.2.1",
-        "automat": "file:../automat",
         "dashgui": "file:../dashgui",
         "notistack": "^3.0.2",
-        "pdfjs-dist": "^6.3.289",
+        "pdfconvert-wasm": "^0.3.0",
-        "pdftotext-wasm": "file:../pdftotext-wasm",
         "react": "^19.3.0",
+        "react-automat": "^0.1.0",
         "react-dom": "^19.3.0",
         "react-redux": "^9.3.0",
         "react-router-dom": "^7.18.4",
@@ -35,17 +34,6 @@
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@@ -5995,21 +5707,11 @@
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       }
     },
-    "node_modules/pdfjs-dist": {
+    "node_modules/pdfconvert-wasm": {
-      "version": "6.3.289",
+      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-6.3.289.tgz",
+      "resolved": "https://registry.npmjs.org/pdfconvert-wasm/-/pdfconvert-wasm-0.3.0.tgz",
-      "integrity": "sha512-ZHjSVpDa3D6izMq8/04lvkhkATUmL9px6ChPaXc1k6nU2Mrhlg1/7F0bdUqCwUjw3NsPTfPZsMDUU6ZIcRaeQw==",
+      "integrity": "sha512-FbEk+Grg0UST4kOPuN7OFfVsut1FvDOJNPS3pt4rzCS8VlFsFzD7ptg7YtFZjEOKgJ4MgqlfCgjK4RYaRBpT0Q==",
-      "license": "Apache-2.0",
+      "license": "GPLv3"
-      "engines": {
-        "node": ">=22.13.0 || >=24"
-      },
-      "optionalDependencies": {
-        "@napi-rs/canvas": "^1.0.0"
-      }
-    },
-    "node_modules/pdftotext-wasm": {
-      "resolved": "../pdftotext-wasm",
-      "link": true
     },
     "node_modules/picocolors": {
       "version": "1.1.1",
@@ -6136,6 +5838,20 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/react-automat": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/react-automat/-/react-automat-0.1.0.tgz",
+      "integrity": "sha512-/lGKX2gXyBo52rRc6qC0ZGeThuD2C/LNjJWCChA/WC3JCJ4anyx7xCREfNmMOgRUBE0k4+LF0EbvzJwb4/RxfQ==",
+      "license": "0BSD",
+      "peerDependencies": {
+        "react": ">=16.8.0 || >=17.0.0 || >=18.0.0 || >=19.0.0"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/react-dom": {
       "version": "19.3.0",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.3.0.tgz",
@@ -6336,9 +6052,9 @@
       "license": "MIT"
     },
     "node_modules/regjsparser": {
-      "version": "0.13.2",
+      "version": "0.13.3",
-      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.13.2.tgz",
+      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.13.3.tgz",
-      "integrity": "sha512-NgRBy2Nx/bE+9F27nVHnqcN5HjyLmecqsqx2PJHu3/IEtADD4WuxuXIVExD5PoSDFVrl78dOonfcOe5O+5nbzQ==",
+      "integrity": "sha512-ycwFAS14Jw4mppvmK4GR/J6u3WpWpjkEApehuHtLc/8VpPNpDMbQ4WjqwplXifGeyKOzHSFLmSPqzksDQE2Sfg==",
       "dev": true,
       "license": "BSD-2-Clause",
       "dependencies": {
@@ -6412,13 +6128,13 @@
       }
     },
     "node_modules/rolldown": {
-      "version": "1.2.8",
+      "version": "1.2.9",
-      "resolved": "https://registry.npmjs.org/rolldown/-/rolldown-1.2.8.tgz",
+      "resolved": "https://registry.npmjs.org/rolldown/-/rolldown-1.2.9.tgz",
-      "integrity": "sha512-Z67nTmhZe7anqnM/EjI392w5i/ANUinjip7QYsOyN37oayduxt3ksdX0hf5OOamkAd53BiIHfbfSzfUmzKFQqQ==",
+      "integrity": "sha512-hx/Pv0N1haXRb11qkfnK5MXB/iqr7i0yjWQqmO9uHqZpBgQSqzc8UsSnEpalsh+j1I8qQ2CkXAkJC8Br3dKSlg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@oxc-project/types": "=0.149.0",
+        "@oxc-project/types": "=0.150.0",
         "@rolldown/pluginutils": "^1.0.0"
       },
       "bin": {
@@ -6428,21 +6144,21 @@
         "node": "^20.19.0 || >=22.12.0"
       },
       "optionalDependencies": {
-        "@rolldown/binding-android-arm-eabi": "1.2.8",
+        "@rolldown/binding-android-arm-eabi": "1.2.9",
-        "@rolldown/binding-android-arm64": "1.2.8",
+        "@rolldown/binding-android-arm64": "1.2.9",
-        "@rolldown/binding-darwin-arm64": "1.2.8",
+        "@rolldown/binding-darwin-arm64": "1.2.9",
-        "@rolldown/binding-darwin-x64": "1.2.8",
+        "@rolldown/binding-darwin-x64": "1.2.9",
-        "@rolldown/binding-freebsd-x64": "1.2.8",
+        "@rolldown/binding-freebsd-x64": "1.2.9",
-        "@rolldown/binding-linux-arm-gnueabihf": "1.2.8",
+        "@rolldown/binding-linux-arm-gnueabihf": "1.2.9",
-        "@rolldown/binding-linux-arm64-gnu": "1.2.8",
+        "@rolldown/binding-linux-arm64-gnu": "1.2.9",
-        "@rolldown/binding-linux-arm64-musl": "1.2.8",
+        "@rolldown/binding-linux-arm64-musl": "1.2.9",
-        "@rolldown/binding-linux-ppc64-gnu": "1.2.8",
+        "@rolldown/binding-linux-ppc64-gnu": "1.2.9",
-        "@rolldown/binding-linux-s390x-gnu": "1.2.8",
+        "@rolldown/binding-linux-s390x-gnu": "1.2.9",
-        "@rolldown/binding-linux-x64-gnu": "1.2.8",
+        "@rolldown/binding-linux-x64-gnu": "1.2.9",
-        "@rolldown/binding-linux-x64-musl": "1.2.8",
+        "@rolldown/binding-linux-x64-musl": "1.2.9",
-        "@rolldown/binding-openharmony-arm64": "1.2.8",
+        "@rolldown/binding-openharmony-arm64": "1.2.9",
-        "@rolldown/binding-win32-arm64-msvc": "1.2.8",
+        "@rolldown/binding-win32-arm64-msvc": "1.2.9",
-        "@rolldown/binding-win32-x64-msvc": "1.2.8"
+        "@rolldown/binding-win32-x64-msvc": "1.2.9"
       }
     },
     "node_modules/rollup": {
@@ -7095,19 +6811,18 @@
       }
     },
     "node_modules/typed-array-byte-offset": {
-      "version": "1.0.4",
+      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/typed-array-byte-offset/-/typed-array-byte-offset-1.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/typed-array-byte-offset/-/typed-array-byte-offset-1.0.5.tgz",
-      "integrity": "sha512-bTlAFB/FBYMcuX81gbL4OcpH5PmlFHqlCCpAl8AlEzMz5k53oNDvN8p1PNOWLEmI2x4orp3raOFB51tv9X+MFQ==",
+      "integrity": "sha512-0FHJvLPqZ7KJzp17O13jfsAjsqazgrxBu2zEK95PmUz8lv2+GjRuxUInCr2Rk9Dms3ihN21zJ929ZO43yJ95QQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "available-typed-arrays": "^1.0.7",
-        "call-bind": "^1.0.8",
+        "call-bind": "^1.0.9",
-        "for-each": "^0.3.3",
+        "for-each": "^0.3.5",
         "gopd": "^1.2.0",
-        "has-proto": "^1.2.0",
         "is-typed-array": "^1.1.15",
-        "reflect.getprototypeof": "^1.0.9"
+        "reflect.getprototypeof": "^1.0.10"
       },
       "engines": {
         "node": ">= 0.4"
@@ -7480,9 +7195,9 @@
       "license": "ISC"
     },
     "node_modules/which-typed-array": {
-      "version": "1.1.22",
+      "version": "1.1.24",
-      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.22.tgz",
+      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.24.tgz",
-      "integrity": "sha512-fvO4ExWMFsqyhG3AiPAObMuY1lxaqgYcxbc49CNdWDDECOJNgQyvsOWVwbZc+qf3rzRtxojBK+CMEv0Ld5CYpw==",
+      "integrity": "sha512-wk4Mf4pR5mRP7eYuuTBCIQ9d0ud2Fv2jRLQpfgnRjbOxAFHmjKFValgTpitVKzJJS8ajnYQV2Du1SZ8j6b/EUQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {

package.json

@@ -22,12 +22,11 @@
     "@mui/material": "^9.4.0",
     "@reduxjs/toolkit": "^2.12.0",
     "@shopify/draggable": "^1.2.1",
-    "automat": "file:../automat",
     "dashgui": "file:../dashgui",
     "notistack": "^3.0.2",
-    "pdfjs-dist": "^6.3.289",
+    "pdfconvert-wasm": "^0.3.0",
-    "pdftotext-wasm": "file:../pdftotext-wasm",
     "react": "^19.3.0",
+    "react-automat": "^0.1.0",
     "react-dom": "^19.3.0",
     "react-redux": "^9.3.0",
     "react-router-dom": "^7.18.4",

src/App.jsx

@@ -1,9 +1,8 @@
-import { Component, Suspense } from 'react';
+import { PureComponent, Suspense } from 'react';
-import { connect } from 'react-redux';
 import Box from '@mui/material/Box';
 import CircularProgress from '@mui/material/CircularProgress';
 import { RouterProvider } from 'react-router-dom';
-import { selectAuthStatus, selectNeedsCompanySetup } from './store/authSlice';
+import authAutomat from './automats/authAutomat';
 import LoginPage from './components/LoginPage';
 import CompanySetupDialog from './components/CompanySetupDialog';
 import { router } from './appRouter';
@@ -24,9 +23,22 @@ function PageFallback() {
   );
 }
 
-class App extends Component {
+class App extends PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = authAutomat.state;
+  }
+
+  componentDidMount() {
+    this.unsubscribe = authAutomat.subscribe(this, ['status', 'user']);
+  }
+
+  componentWillUnmount() {
+    this.unsubscribe?.();
+  }
+
   render() {
-    const { status, needsCompanySetup } = this.props;
+    const { status, user } = this.state;
 
     if (status === 'loading') {
       return (
@@ -48,7 +60,7 @@ class App extends Component {
       return <LoginPage />;
     }
 
-    if (needsCompanySetup) {
+    if (user?.selectedCompanyId == null) {
       return <CompanySetupDialog />;
     }
 
@@ -60,9 +72,4 @@ class App extends Component {
   }
 }
 
-const mapStateToProps = (state) => ({
+export default App;
-  status: selectAuthStatus(state),
-  needsCompanySetup: selectNeedsCompanySetup(state),
-});
-
-export default connect(mapStateToProps)(App);

src/api/ApiClient.js

@@ -105,19 +105,25 @@ export class ApiClient {
       update: (id, body) => this.#json('PATCH', `/api/delivery/${enc(id)}`, { body }),
       /** DELETE /api/delivery/{id} → 204 */
       delete: (id) => this.#empty('DELETE', `/api/delivery/${enc(id)}`),
+      /** GET /api/delivery/{id}/file/{fileId} → Blob (full binary content) */
+      getFile: (id, fileId, { download = false } = {}) =>
+        this.#blob('GET', `/api/delivery/${enc(id)}/file/${enc(fileId)}`, {
+          query: download ? { download: 'true' } : undefined,
+        }),
       /**
        * POST /api/delivery/parse — multipart/form-data, field "file"
        * Accepts PDF or text files (max 50 MB), detection via mimetype/filename
        * Returns an async generator that yields SSE event objects:
        *   { event: 'status'|'llm_call'|'tool_call'|'usage'|'progress'|'result'|'error', data: object }
        */
-      parseSse: async function* (file) {
+      parseSse: async function* (file, { signal } = {}) {
         const formData = new FormData();
         formData.append('file', file, file.name);
         const res = await fetch('/api/delivery/parse', {
           method: 'POST',
           credentials: 'include',
           body: formData,
+          signal,
         });
         if (!res.ok) {
           let message = res.statusText;
@@ -133,25 +139,56 @@ export class ApiClient {
         const decoder = new TextDecoder();
         let buf = '';
         let currentEvent = 'message';
-        while (true) {
+
-          const { done, value } = await reader.read();
+        const onAbort = () => {
-          if (done) break;
+          try {
-          buf += decoder.decode(value, { stream: true });
+            reader.cancel();
-          const lines = buf.split('\n');
+          } catch { /* ignore */ }
-          buf = lines.pop(); // keep incomplete last line
+        };
-          for (const line of lines) {
+        if (signal) {
-            if (line.startsWith('event:')) {
+          if (signal.aborted) {
-              currentEvent = line.slice(6).trim();
+            onAbort();
-            } else if (line.startsWith('data:')) {
+            return;
-              const raw = line.slice(5).trim();
-              let data;
-              try { data = JSON.parse(raw); } catch { data = raw; }
-              yield { event: currentEvent, data };
-              currentEvent = 'message';
-            }
-            // blank line or comment: reset
           }
+          signal.addEventListener('abort', onAbort, { once: true });
         }
+
+        try {
+          while (true) {
+            const { done, value } = await reader.read();
+            if (done) break;
+            buf += decoder.decode(value, { stream: true });
+            const lines = buf.split('\n');
+            buf = lines.pop(); // keep incomplete last line
+            for (const line of lines) {
+              if (line.startsWith('event:')) {
+                currentEvent = line.slice(6).trim();
+              } else if (line.startsWith('data:')) {
+                const raw = line.slice(5).trim();
+                let data;
+                try { data = JSON.parse(raw); } catch { data = raw; }
+                yield { event: currentEvent, data };
+                currentEvent = 'message';
+              }
+              // blank line or comment: reset
+            }
+          }
+        } catch (err) {
+          if (signal?.aborted || err.name === 'AbortError') {
+            return;
+          }
+          throw err;
+        } finally {
+          if (signal) {
+            signal.removeEventListener('abort', onAbort);
+          }
+          try {
+            reader.releaseLock();
+          } catch { /* ignore */ }
+        }
+      },
+      parsePdfSse(file, opts) {
+        return this.parseSse(file, opts);
       },
     };
 

src/api/StorageManager.js

@@ -2,6 +2,7 @@ import { requireArray, requireDefined, requireObject } from '../utils/apiShape';
 import { notifyError } from '../utils/notify';
 import { parseCategoryTreeResponse } from '../store/categorySlice';
 import { ApiClient } from './ApiClient';
+import articleAutomat from '../store/articleAutomat';
 
 /**
  * Stale-while-revalidate cache: readers keep the current promise; update()
@@ -102,6 +103,10 @@ export class StorageManager extends ApiClient {
     requireDefined(article.sku, 'article.sku');
     const key = String(article.sku);
     this.#articlesBySku.set(key, article);
+    
+    // Update automat as well
+    articleAutomat.actions.setArticle(article);
+    
     const watchers = this.#articleWatchers.get(key);
     if (watchers) {
       for (const onArticle of watchers) onArticle(article);
@@ -329,6 +334,10 @@ export class StorageManager extends ApiClient {
 
   #onArticleSignal = (event) => {
     const sku = event.type.slice('article-'.length);
+    
+    // Update automat on SSE article events
+    void articleAutomat.actions.loadArticle(sku).catch((err) => notifyError(err));
+    
     if (this.#articleWatchers.has(sku)) {
       void this.loadArticle(sku).catch((err) => notifyError(err));
     }
@@ -373,7 +382,6 @@ export class StorageManager extends ApiClient {
     const companyCache = createCache('GET /company', () => this.#loadCompanies());
     const categoryTreeCache = createCache('GET /category/tree', () => this.#loadCategoryTree());
     const posterminalCache = createCache('GET /posterminal', () => this.#loadPosterminals());
-    const supplierCache = createCache('GET /supplier', () => this.#loadSuppliers());
     const deliveryCache = createCache('GET /delivery', () => this.#loadDeliveries());
     const customergroupCache = createCache('GET /customergroup', () =>
       this.#loadCustomergroups(),
@@ -415,11 +423,6 @@ export class StorageManager extends ApiClient {
       posterminalPromise: { get: () => posterminalCache.promise },
       updatePosterminal: { value: posterminalCache.update },
 
-      supplierPromise: { get: () => supplierCache.promise },
-      updateSupplier: { value: supplierCache.update },
-      /** Settled GET /supplier list, or undefined. */
-      suppliers: { get: () => supplierCache.value },
-
       deliveryPromise: { get: () => deliveryCache.promise },
       updateDelivery: { value: deliveryCache.update },
       /** Settled GET /delivery list, or undefined. */
@@ -571,12 +574,6 @@ export class StorageManager extends ApiClient {
     return requireArray(data.posterminals, 'posterminals');
   }
 
-  async #loadSuppliers() {
-    const data = await this.supplier.list();
-    requireObject(data, 'GET /api/supplier');
-    return requireArray(data.suppliers, 'suppliers');
-  }
-
   async #loadDeliveries() {
     const data = await this.delivery.list();
     requireObject(data, 'GET /api/delivery');

src/api/index.js

@@ -682,6 +682,104 @@ export const delivery = {
     return http(`/api/delivery/${id}`, { method: 'DELETE' });
   },
 
+  /**
+   * GET /api/delivery/:id/file/:fileId → Blob
+   * Full binary content of attached file (PDF, text, etc.)
+   */
+  async getFile(id, fileId, { download = false } = {}) {
+    const query = download ? '?download=true' : '';
+    const res = await fetch(`/api/delivery/${encodeURIComponent(id)}/file/${encodeURIComponent(fileId)}${query}`, {
+      method: 'GET',
+      credentials: 'include',
+    });
+    if (!res.ok) {
+      let message = res.statusText;
+      try {
+        const data = await res.json();
+        message = data.error || data.message || message;
+      } catch { /* ignore */ }
+      const err = new Error(message || `Request failed (${res.status})`);
+      err.status = res.status;
+      throw err;
+    }
+    return res.blob();
+  },
+
+  /**
+   * POST /api/delivery/parse — multipart/form-data, field "file"
+   * Accepts PDF, TXT or CSV document (max 50 MB)
+   * Streams SSE events: status, llm_call, tool_call, usage, progress, result, error
+   */
+  async *parseSse(file, { signal } = {}) {
+    const formData = new FormData();
+    formData.append('file', file, file.name);
+    const res = await fetch('/api/delivery/parse', {
+      method: 'POST',
+      credentials: 'include',
+      body: formData,
+      signal,
+    });
+    if (!res.ok) {
+      let message = res.statusText;
+      try {
+        const data = await res.json();
+        message = data.error || data.message || message;
+      } catch { /* ignore */ }
+      const err = new Error(message || `Request failed (${res.status})`);
+      err.status = res.status;
+      throw err;
+    }
+    const reader = res.body.getReader();
+    const decoder = new TextDecoder();
+    let buf = '';
+    let currentEvent = 'message';
+
+    const onAbort = () => {
+      try {
+        reader.cancel();
+      } catch { /* ignore */ }
+    };
+    if (signal) {
+      if (signal.aborted) {
+        onAbort();
+        return;
+      }
+      signal.addEventListener('abort', onAbort, { once: true });
+    }
+
+    try {
+      while (true) {
+        const { done, value } = await reader.read();
+        if (done) break;
+        buf += decoder.decode(value, { stream: true });
+        const lines = buf.split('\n');
+        buf = lines.pop();
+        for (const line of lines) {
+          if (line.startsWith('event:')) {
+            currentEvent = line.slice(6).trim();
+          } else if (line.startsWith('data:')) {
+            const raw = line.slice(5).trim();
+            let data;
+            try { data = JSON.parse(raw); } catch { data = raw; }
+            yield { event: currentEvent, data };
+            currentEvent = 'message';
+          }
+        }
+      }
+    } catch (err) {
+      if (signal?.aborted || err.name === 'AbortError') {
+        return;
+      }
+      throw err;
+    } finally {
+      if (signal) {
+        signal.removeEventListener('abort', onAbort);
+      }
+      try {
+        reader.releaseLock();
+      } catch { /* ignore */ }
+    }
+  },
 };
 
 /**

src/api/storageManagerContext.js

@@ -1,7 +1,16 @@
 import { createContext, createElement, useContext, useRef } from 'react';
 import { StorageManager } from './StorageManager';
 
-export const StorageManagerContext = createContext(null);
+let defaultStorageManager = null;
+
+export function getStorageManager() {
+  if (!defaultStorageManager) {
+    defaultStorageManager = new StorageManager();
+  }
+  return defaultStorageManager;
+}
+
+export const StorageManagerContext = createContext(getStorageManager());
 
 /**
  * Provider — mount once near the top of the tree.
@@ -9,7 +18,7 @@ export const StorageManagerContext = createContext(null);
 export function StorageManagerProvider({ children }) {
   const mgrRef = useRef(null);
   if (!mgrRef.current) {
-    mgrRef.current = new StorageManager();
+    mgrRef.current = getStorageManager();
   }
 
   return createElement(StorageManagerContext.Provider, { value: mgrRef.current }, children);
@@ -19,9 +28,6 @@ export function StorageManagerProvider({ children }) {
  * Hook for function components that need the store manager.
  */
 export function useStorageManager() {
-  const ctx = useContext(StorageManagerContext);
+  const ctx = useContext(StorageManagerContext) || getStorageManager();
-  if (!ctx) {
-    throw new Error('useStorageManager must be used within a <StorageManagerProvider>');
-  }
   return ctx;
 }

src/automats/authAutomat.js

@@ -0,0 +1,180 @@
+import { Automat } from 'react-automat';
+import { auth, company } from '../api';
+
+/**
+ * @typedef {Object} AuthUser
+ * @property {string|number|null} [selectedCompanyId] Currently selected company.
+ * @property {*} [key] Additional user properties returned by the API.
+ */
+
+/**
+ * @typedef {Object} AuthState
+ * @property {AuthUser|null} user Authenticated user, or `null` for anonymous sessions.
+ * @property {string|null} googleClientId Google Identity Services client ID.
+ * @property {'loading'|'anon'|'authed'} status Current authentication lifecycle state.
+ */
+
+/** Emitted after an authenticated session has been established. */
+export const AUTH_SESSION_ESTABLISHED = 'auth/sessionEstablished';
+/** Emitted after the active company has changed. */
+export const AUTH_COMPANY_CHANGED = 'auth/companyChanged';
+/** Emitted after the current user has logged out. */
+export const AUTH_LOGGED_OUT = 'auth/loggedOut';
+
+/** @type {AuthState} */
+const initialState = {
+    user: null,
+    googleClientId: null,
+    status: 'loading',
+};
+
+let emit = () => { };
+
+/**
+ * Registers the application-level dispatcher used for authentication events.
+ *
+ * @param {(event: {type: string}) => void} dispatch Event dispatcher.
+ * @returns {void}
+ */
+export function setAuthEventDispatcher(dispatch) {
+    emit = dispatch;
+}
+
+/**
+ * Merges API user data while retaining the current company selection when the
+ * response does not contain one.
+ *
+ * @param {AuthUser|null} current Current user.
+ * @param {AuthUser|null|undefined} incoming User data returned by the API.
+ * @returns {AuthUser|null} Merged user.
+ */
+function mergeUser(current, incoming) {
+    if (!incoming) return current;
+    const selectedCompanyId =
+        incoming.selectedCompanyId ?? current?.selectedCompanyId ?? null;
+    return { ...current, ...incoming, selectedCompanyId };
+}
+
+let authAutomat;
+
+const actions = {
+    /**
+     * Restores an existing session or requests it from the authentication API.
+     *
+     * @param {{user?: AuthUser|null, googleClientId?: string|null}|null} [session]
+     *   Optional preloaded session.
+     * @returns {Promise<Object>} Resolved session response.
+     */
+    async bootstrapSession(session) {
+        try {
+            const nextSession = session ?? await auth.me();
+            const googleClientId =
+                nextSession.googleClientId ?? authAutomat.state.googleClientId;
+
+            if (!nextSession.user) {
+                if (authAutomat.state.status !== 'authed') {
+                    authAutomat.setState({ user: null, googleClientId, status: 'anon' });
+                } else {
+                    authAutomat.setState({ googleClientId });
+                }
+                return nextSession;
+            }
+
+            const user = mergeUser(authAutomat.state.user, nextSession.user);
+            authAutomat.setState({ user, googleClientId, status: 'authed' });
+            emit({ type: AUTH_SESSION_ESTABLISHED });
+            return nextSession;
+        } catch (error) {
+            if (authAutomat.state.status === 'loading') {
+                authAutomat.setState({ user: null, status: 'anon' });
+            }
+            throw error;
+        }
+    },
+
+    /**
+     * Exchanges a Google credential for an authenticated application session.
+     *
+     * @param {string} credential Google Identity Services credential.
+     * @returns {Promise<Object>} Authenticated session.
+     */
+    async loginWithGoogle(credential) {
+        try {
+            const { session } = await auth.loginWithGoogle(credential);
+            if (!session?.user) {
+                throw new Error('Login ok but session cookie not accepted (/api/auth/me still unauthorized)');
+            }
+            authAutomat.setState({
+                user: session.user,
+                googleClientId: session.googleClientId ?? authAutomat.state.googleClientId,
+                status: 'authed',
+            });
+            emit({ type: AUTH_SESSION_ESTABLISHED });
+            return session;
+        } catch (error) {
+            authAutomat.setState({ user: null, status: 'anon' });
+            throw error;
+        }
+    },
+
+    /**
+     * Selects the company used by the current session.
+     *
+     * @param {string|number} companyId Company identifier.
+     * @returns {Promise<AuthUser>} Updated user.
+     */
+    async selectCompany(companyId) {
+        const data = await company.select(companyId);
+        const user = mergeUser(
+            authAutomat.state.user,
+            data.user ?? { selectedCompanyId: companyId },
+        );
+        authAutomat.setState({ user, status: 'authed' });
+        emit({ type: AUTH_COMPANY_CHANGED });
+        return user;
+    },
+
+    /**
+     * Creates a company and selects it for the current user.
+     *
+     * @param {Object} payload Company creation payload.
+     * @returns {Promise<AuthUser>} Updated user.
+     */
+    async createCompany(payload) {
+        const data = await company.create(payload);
+        let incoming = data.user;
+        if (!incoming && data.company?.id) {
+            const selected = await company.select(data.company.id);
+            incoming = selected.user ?? { selectedCompanyId: data.company.id };
+        }
+        if (!incoming) {
+            throw new Error('Unternehmen angelegt, aber keine Benutzerdaten erhalten.');
+        }
+
+        const user = mergeUser(authAutomat.state.user, incoming);
+        authAutomat.setState({ user, status: 'authed' });
+        emit({ type: AUTH_COMPANY_CHANGED });
+        return user;
+    },
+
+    /**
+     * Ends the server session, clears the current user, and returns to `/`.
+     *
+     * @returns {Promise<void>}
+     */
+    async logout() {
+        await auth.logout();
+        window.history.replaceState(null, '', '/');
+        authAutomat.setState({ user: null, status: 'anon' });
+        emit({ type: AUTH_LOGGED_OUT });
+    },
+};
+
+/**
+ * Global authentication state container.
+ *
+ * @type {Automat<AuthState>}
+ */
+authAutomat = new Automat(initialState, actions, { name: 'auth' });
+
+export default authAutomat;

src/automats/deliveryEditorAutomat.js

@@ -1,6 +1,59 @@
-import { Automat } from 'automat';
+import { Automat } from 'react-automat';
-import { supplier as supplierApi } from '../api';
+import { article as articleApi, supplier as supplierApi } from '../api';
 
+/**
+ * @typedef {Object} DeliveryLine
+ * @property {string|number} key Stable editor key.
+ * @property {string|null} name Article name.
+ * @property {string|number|null} sku Supplier or internal article SKU.
+ * @property {number|null} amount Ordered amount.
+ * @property {number|null} pu Price unit.
+ * @property {string|null} unit Unit of measure.
+ * @property {number|null} netprice Net price.
+ * @property {number|null} taxrate Tax rate.
+ */
+
+/**
+ * @typedef {Object} SupplierArticle
+ * @property {string|number} [id] Supplier-article identifier.
+ * @property {string|number|null} [sku] Supplier SKU.
+ * @property {{sku?: string|number|null, eans?: Array<string|number>, articleean?: Array<string|number>}} [article]
+ *   Linked internal article.
+ */
+
+/**
+ * @typedef {Object} DeliveryEditorState
+ * @property {Array<Object>} deliveryEntities Available suppliers or delivery parties.
+ * @property {string|number|null} id Delivery identifier.
+ * @property {string|number|null} deliveryId Alias of `id`.
+ * @property {string|null} date Delivery date.
+ * @property {string|number|null} deliveryEntity Selected delivery party.
+ * @property {string|number|null} partyId Alias of `deliveryEntity`.
+ * @property {string|null} externalNumber External delivery number.
+ * @property {string|null} external_number API-compatible alias of `externalNumber`.
+ * @property {string|null} number Internal delivery number.
+ * @property {string|null} type Delivery type.
+ * @property {Array<DeliveryLine>} lines Editable lines.
+ * @property {Array<DeliveryLine>} lineitems Alias of `lines`.
+ * @property {Array<*>} notes Delivery notes.
+ * @property {Array<Object>} attachments Delivery attachments.
+ * @property {Array<Object>} files Alias of `attachments`.
+ * @property {Array<SupplierArticle>} supplierArticles Loaded supplier articles.
+ * @property {Object<string, SupplierArticle>} supplierArticlesMap Articles indexed by SKU or EAN.
+ * @property {Object<string, SupplierArticle|null>} supplierArticlesByLineKey Matched article per line.
+ * @property {boolean} supplierArticlesLoading Whether any supplier article request is pending.
+ * @property {Object<string, boolean>} loadingLineKeys Pending lookup state per line.
+ * @property {Object<string, boolean>} busySupplierArticleLineKeys Lines with a pending unlink request.
+ * @property {string|null} supplierArticlesError Last supplier article error.
+ * @property {string|null} unmatchedSupplierName Parsed supplier name without a matching entity.
+ */
+
+/**
+ * Normalizes a partial line into an editor line with a stable key.
+ *
+ * @param {Partial<DeliveryLine>} [line] Initial line values.
+ * @returns {DeliveryLine} Normalized line.
+ */
 export function createEmptyLineitem(line = {}) {
   return {
     key: line.key ?? `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
@@ -14,6 +67,14 @@ export function createEmptyLineitem(line = {}) {
   };
 }
 
+/**
+ * Indexes supplier articles by supplier SKU, internal SKU, and EAN. Text keys
+ * are stored both verbatim and lower-cased for case-insensitive lookup.
+ *
+ * @param {Array<SupplierArticle>} [articles] Articles to index.
+ * @param {Object<string, SupplierArticle>} [existingMap] Existing index to extend.
+ * @returns {Object<string, SupplierArticle>} Article lookup map.
+ */
 export function buildSupplierArticlesMap(articles = [], existingMap = {}) {
   const map = { ...existingMap };
   for (const item of articles) {
@@ -34,7 +95,7 @@ export function buildSupplierArticlesMap(articles = [], existingMap = {}) {
         map[artSku.toLowerCase()] = item;
       }
     }
-    // Map by EANs
+    // Map by Eans
     const eans = item.article?.eans ?? item.article?.articleean ?? [];
     for (const ean of eans) {
       if (ean != null) {
@@ -49,6 +110,7 @@ export function buildSupplierArticlesMap(articles = [], existingMap = {}) {
   return map;
 }
 
+/** @type {Omit<DeliveryEditorState, 'deliveryEntities'>} */
 export const initialDelivery = {
   id: null,
   deliveryId: null,
@@ -69,344 +131,513 @@ export const initialDelivery = {
   supplierArticlesByLineKey: {},
   supplierArticlesLoading: false,
   loadingLineKeys: {},
+  busySupplierArticleLineKeys: {},
   supplierArticlesError: null,
+  unmatchedSupplierName: null,
 };
 
+
+/** @type {DeliveryEditorState} */
 export const initialState = {
   deliveryEntities: [],
   ...initialDelivery,
 };
 
-export const deliveryEditorAutomat = new Automat(initialState, {
+/**
-  setId(id) {
+ * Creates a delivery editor automat or returns the already registered named
-    deliveryEditorAutomat.setState({ id, deliveryId: id });
+ * instance. Named instances allow independent state for multiple deliveries.
-  },
+ *
+ * @param {{name?: string|null}|string} [options] Automat options or name.
+ * @returns {Automat<DeliveryEditorState>} Delivery editor automat.
+ */
+export function createDeliveryEditorAutomat(options = {}) {
+  const name = typeof options === 'string' ? options : options?.name ?? null;
+  if (name) {
+    const existing = Automat.get(name);
+    if (existing) return existing;
+  }
 
-  setDeliveryEntities(deliveryEntities) {
+  let automat;
-    deliveryEditorAutomat.setState({ deliveryEntities: deliveryEntities ?? [] });
+  const actions = {
-  },
+    /** @param {string|number|null} id @returns {void} */
+    setId(id) {
+      automat.setState({ id, deliveryId: id });
+    },
 
-  setDelivery(delivery = {}) {
+    /** @param {Array<Object>} deliveryEntities @returns {void} */
-    const rawLines = delivery.lines ?? delivery.lineitems ?? [];
+    setDeliveryEntities(deliveryEntities) {
-    const lines = Array.isArray(rawLines) ? rawLines : [];
+      automat.setState({ deliveryEntities: deliveryEntities ?? [] });
-    const partyId = delivery.partyId ?? delivery.deliveryEntity ?? null;
+    },
-    const extNum = delivery.externalNumber ?? delivery.external_number ?? null;
-    const id = delivery.id ?? delivery.deliveryId ?? null;
-    const notes = Array.isArray(delivery.notes)
-      ? delivery.notes
-      : delivery.notes ? [delivery.notes] : [];
-    const rawAttachments = delivery.attachments ?? delivery.files ?? [];
-    const attachments = Array.isArray(rawAttachments) ? rawAttachments : [];
 
-    deliveryEditorAutomat.setState({
+    /**
-      ...initialDelivery,
+     * Replaces the edited delivery and normalizes API aliases.
-      ...delivery,
+     * @param {Partial<DeliveryEditorState>} [delivery]
-      id,
+     * @returns {void}
-      deliveryId: id,
+     */
-      partyId,
+    setDelivery(delivery = {}) {
-      deliveryEntity: partyId,
+      const rawLines = delivery.lines ?? delivery.lineitems ?? [];
-      externalNumber: extNum,
+      const lines = Array.isArray(rawLines) ? rawLines : [];
-      external_number: extNum,
+      const partyId = delivery.partyId ?? delivery.deliveryEntity ?? null;
-      lines,
+      const extNum = delivery.externalNumber ?? delivery.external_number ?? null;
-      lineitems: lines,
+      const id = delivery.id ?? delivery.deliveryId ?? null;
-      notes,
+      const notes = Array.isArray(delivery.notes)
-      attachments,
+        ? delivery.notes
-      files: attachments,
+        : delivery.notes ? [delivery.notes] : [];
-    });
+      const rawAttachments = delivery.attachments ?? delivery.files ?? [];
+      const attachments = Array.isArray(rawAttachments) ? rawAttachments : [];
 
-    if (partyId && lines.length > 0) {
+      automat.setState({
-      deliveryEditorAutomat.actions.fetchSupplierArticles(partyId, lines);
+        ...initialDelivery,
-    }
+        ...delivery,
-  },
+        id,
+        deliveryId: id,
+        partyId,
+        deliveryEntity: partyId,
+        externalNumber: extNum,
+        external_number: extNum,
+        lines,
+        lineitems: lines,
+        notes,
+        attachments,
+        files: attachments,
+      });
 
-  setDate(date) {
+      if (partyId && lines.length > 0) {
-    deliveryEditorAutomat.setState({ date });
+        automat.actions.fetchSupplierArticles(partyId, lines);
-  },
+      }
+    },
 
-  setDeliveryEntity(entityId) {
+    /** @param {string|null} date @returns {void} */
-    const prevId = deliveryEditorAutomat.state.deliveryEntity ?? deliveryEditorAutomat.state.partyId;
+    setDate(date) {
-    const idChanged = prevId !== entityId;
+      automat.setState({ date });
-    deliveryEditorAutomat.setState({
+    },
-      deliveryEntity: entityId,
+
-      partyId: entityId,
+    /**
-      ...(idChanged
+     * Selects a delivery party and refreshes its supplier articles.
-        ? {
+     * @param {string|number|null} entityId
-            supplierArticles: [],
+     * @returns {void}
-            supplierArticlesMap: {},
+     */
-            supplierArticlesByLineKey: {},
+    setDeliveryEntity(entityId) {
-            loadingLineKeys: {},
+      const prevId = automat.state.deliveryEntity ?? automat.state.partyId;
+      const idChanged = prevId !== entityId;
+      automat.setState({
+        deliveryEntity: entityId,
+        partyId: entityId,
+        unmatchedSupplierName: entityId != null ? null : automat.state.unmatchedSupplierName,
+        ...(idChanged
+          ? {
+              supplierArticles: [],
+              supplierArticlesMap: {},
+              supplierArticlesByLineKey: {},
+              loadingLineKeys: {},
+            }
+          : {}),
+      });
+
+      if (entityId && idChanged) {
+        automat.actions.fetchSupplierArticles(entityId);
+      }
+    },
+
+    /** @param {string|null} name @returns {void} */
+    setUnmatchedSupplierName(name) {
+      automat.setState({ unmatchedSupplierName: name ?? null });
+    },
+
+
+  /** @param {string|number|null} partyId @returns {void} */
+    setPartyId(partyId) {
+      automat.actions.setDeliveryEntity(partyId);
+    },
+
+    /** @param {string|null} externalNumber @returns {void} */
+    setExternalNumber(externalNumber) {
+      automat.setState({
+        externalNumber,
+        external_number: externalNumber,
+      });
+    },
+
+    /** @param {string|null} number @returns {void} */
+    setNumber(number) {
+      automat.setState({ number });
+    },
+
+    /** @param {string|null} type @returns {void} */
+    setType(type) {
+      automat.setState({ type });
+    },
+
+    /** @param {Array<DeliveryLine>} lines @returns {void} */
+    setLines(lines) {
+      const cleanLines = lines ?? [];
+      automat.setState({ lines: cleanLines, lineitems: cleanLines });
+    },
+
+    /** @param {Array<DeliveryLine>} lines @returns {void} */
+    setLineitems(lines) {
+      const cleanLines = lines ?? [];
+      automat.setState({ lines: cleanLines, lineitems: cleanLines });
+    },
+
+    /** @param {Array<*>|*} notes @returns {void} */
+    setNotes(notes) {
+      const cleanNotes = Array.isArray(notes)
+        ? notes
+        : notes ? [notes] : [];
+      automat.setState({ notes: cleanNotes });
+    },
+
+    /** @param {Partial<DeliveryLine>} [line] @returns {void} */
+    addLineitem(line = {}) {
+      const item = createEmptyLineitem(line);
+      const nextLines = [...(automat.state.lines ?? []), item];
+      automat.setState({ lines: nextLines, lineitems: nextLines });
+    },
+
+    /** @param {Partial<DeliveryLine>} [line] @returns {void} */
+    addLine(line = {}) {
+      automat.actions.addLineitem(line);
+    },
+
+    /**
+     * Updates a line selected by index or key.
+     * @param {{index?: number, key?: string|number, [key: string]: *}} payload
+     * @returns {void}
+     */
+    updateLineitem(payload) {
+      const { index, key, ...fields } = payload || {};
+      const currentLines = automat.state.lines ?? [];
+      let targetIndex = typeof index === 'number' && !Number.isNaN(index) ? index : -1;
+      if (targetIndex === -1 && key != null) {
+        targetIndex = currentLines.findIndex((l) => l.key === key);
+      }
+      if (targetIndex >= 0 && targetIndex < currentLines.length) {
+        const nextLines = [...currentLines];
+        nextLines[targetIndex] = {
+          ...nextLines[targetIndex],
+          ...fields,
+        };
+        automat.setState({ lines: nextLines, lineitems: nextLines });
+      }
+    },
+
+    /** @param {{index?: number, key?: string|number, [key: string]: *}} payload @returns {void} */
+    updateLine(payload) {
+      automat.actions.updateLineitem(payload);
+    },
+
+    /** @param {number|string|{key: string|number}} payload @returns {void} */
+    removeLineitem(payload) {
+      const currentLines = automat.state.lines ?? [];
+      let index = typeof payload === 'number' && !Number.isNaN(payload) ? payload : -1;
+      let targetKey = null;
+      if (index === -1 && payload != null) {
+        const key = typeof payload === 'string' ? payload : payload?.key;
+        if (key != null) {
+          index = currentLines.findIndex((l) => l.key === key);
+          targetKey = key;
+        }
+      }
+      if (index >= 0 && index < currentLines.length) {
+        targetKey = targetKey ?? currentLines[index]?.key;
+        const nextLines = currentLines.filter((_, i) => i !== index);
+        const byLineKey = { ...(automat.state.supplierArticlesByLineKey || {}) };
+        if (targetKey != null) delete byLineKey[targetKey];
+        automat.setState({
+          lines: nextLines,
+          lineitems: nextLines,
+          supplierArticlesByLineKey: byLineKey,
+        });
+      }
+    },
+
+    /** @param {number|string|{key: string|number}} payload @returns {void} */
+    removeLine(payload) {
+      automat.actions.removeLineitem(payload);
+    },
+
+    /**
+     * Loads supplier articles for all current SKUs and rebuilds line matches.
+     * @param {string|number|null} [targetEntityId] Supplier to query.
+     * @param {Array<DeliveryLine>} [targetLines] Lines whose SKUs should be queried.
+     * @returns {Promise<void>}
+     */
+    async fetchSupplierArticles(targetEntityId, targetLines) {
+      const entityId = targetEntityId ?? automat.state.deliveryEntity ?? automat.state.partyId;
+      if (!entityId) {
+        automat.setState({
+          supplierArticles: [],
+          supplierArticlesMap: {},
+          supplierArticlesByLineKey: {},
+          supplierArticlesLoading: false,
+          loadingLineKeys: {},
+        });
+        return;
+      }
+
+      const lines = targetLines ?? automat.state.lines ?? [];
+      const skus = Array.from(
+        new Set(
+          lines
+            .map((l) => (l.sku != null ? String(l.sku).trim() : ''))
+            .filter(Boolean),
+        ),
+      );
+
+      automat.setState({
+        supplierArticlesLoading: true,
+        supplierArticlesError: null,
+      });
+
+      try {
+        const res = await supplierApi.getArticles(entityId, skus);
+        const articles = Array.isArray(res?.articles) ? res.articles : [];
+
+        const map = buildSupplierArticlesMap(articles);
+        const byLineKey = {};
+        for (const line of lines) {
+          if (line.key != null) {
+            const rawSku = line.sku != null ? String(line.sku).trim() : '';
+            byLineKey[line.key] = rawSku ? (map[rawSku.toLowerCase()] || map[rawSku] || null) : null;
           }
-        : {}),
+        }
-    });
 
-    if (entityId && idChanged) {
+        automat.setState({
-      deliveryEditorAutomat.actions.fetchSupplierArticles(entityId);
+          supplierArticles: articles,
-    }
+          supplierArticlesMap: map,
-  },
+          supplierArticlesByLineKey: byLineKey,
-
+          supplierArticlesLoading: false,
-  setPartyId(partyId) {
+          loadingLineKeys: {},
-    deliveryEditorAutomat.actions.setDeliveryEntity(partyId);
+        });
-  },
+      } catch (err) {
-
+        console.error('Fehler beim Abrufen der Lieferanten-Artikel:', err);
-  setExternalNumber(externalNumber) {
+        automat.setState({
-    deliveryEditorAutomat.setState({
+          supplierArticlesLoading: false,
-      externalNumber,
+          supplierArticlesError: err?.message || 'Fehler beim Laden der Artikel',
-      external_number: externalNumber,
+        });
-    });
-  },
-
-  setNumber(number) {
-    deliveryEditorAutomat.setState({ number });
-  },
-
-  setType(type) {
-    deliveryEditorAutomat.setState({ type });
-  },
-
-  setLines(lines) {
-    const cleanLines = lines ?? [];
-    deliveryEditorAutomat.setState({ lines: cleanLines, lineitems: cleanLines });
-  },
-
-  setLineitems(lines) {
-    const cleanLines = lines ?? [];
-    deliveryEditorAutomat.setState({ lines: cleanLines, lineitems: cleanLines });
-  },
-
-  setNotes(notes) {
-    const cleanNotes = Array.isArray(notes)
-      ? notes
-      : notes ? [notes] : [];
-    deliveryEditorAutomat.setState({ notes: cleanNotes });
-  },
-
-  addLineitem(line = {}) {
-    const item = createEmptyLineitem(line);
-    const nextLines = [...(deliveryEditorAutomat.state.lines ?? []), item];
-    deliveryEditorAutomat.setState({ lines: nextLines, lineitems: nextLines });
-  },
-
-  addLine(line = {}) {
-    deliveryEditorAutomat.actions.addLineitem(line);
-  },
-
-  updateLineitem(payload) {
-    const { index, key, ...fields } = payload || {};
-    const currentLines = deliveryEditorAutomat.state.lines ?? [];
-    let targetIndex = typeof index === 'number' && !Number.isNaN(index) ? index : -1;
-    if (targetIndex === -1 && key != null) {
-      targetIndex = currentLines.findIndex((l) => l.key === key);
-    }
-    if (targetIndex >= 0 && targetIndex < currentLines.length) {
-      const nextLines = [...currentLines];
-      nextLines[targetIndex] = {
-        ...nextLines[targetIndex],
-        ...fields,
-      };
-      deliveryEditorAutomat.setState({ lines: nextLines, lineitems: nextLines });
-    }
-  },
-
-  updateLine(payload) {
-    deliveryEditorAutomat.actions.updateLineitem(payload);
-  },
-
-  removeLineitem(payload) {
-    const currentLines = deliveryEditorAutomat.state.lines ?? [];
-    let index = typeof payload === 'number' && !Number.isNaN(payload) ? payload : -1;
-    let targetKey = null;
-    if (index === -1 && payload != null) {
-      const key = typeof payload === 'string' ? payload : payload?.key;
-      if (key != null) {
-        index = currentLines.findIndex((l) => l.key === key);
-        targetKey = key;
       }
-    }
+    },
-    if (index >= 0 && index < currentLines.length) {
+
-      targetKey = targetKey ?? currentLines[index]?.key;
+    /**
-      const nextLines = currentLines.filter((_, i) => i !== index);
+     * Loads and matches a supplier article for one line SKU.
-      const byLineKey = { ...(deliveryEditorAutomat.state.supplierArticlesByLineKey || {}) };
+     * @param {string|number|null} sku SKU to query.
-      if (targetKey != null) delete byLineKey[targetKey];
+     * @param {string|number} [lineKey] Editor line key receiving the match.
-      deliveryEditorAutomat.setState({
+     * @returns {Promise<void>}
-        lines: nextLines,
+     */
-        lineitems: nextLines,
+    async fetchSupplierArticleForSku(sku, lineKey) {
-        supplierArticlesByLineKey: byLineKey,
+      const entityId = automat.state.deliveryEntity ?? automat.state.partyId;
+      const trimmed = sku != null ? String(sku).trim() : '';
+
+      if (!entityId || !trimmed) {
+        if (lineKey != null) {
+          const byLineKey = { ...(automat.state.supplierArticlesByLineKey || {}) };
+          byLineKey[lineKey] = null;
+          automat.setState({ supplierArticlesByLineKey: byLineKey });
+        }
+        return;
+      }
+
+      const prevLoading = automat.state.loadingLineKeys || {};
+      automat.setState({
+        loadingLineKeys: lineKey != null ? { ...prevLoading, [lineKey]: true } : prevLoading,
       });
-    }
-  },
 
-  removeLine(payload) {
+      try {
-    deliveryEditorAutomat.actions.removeLineitem(payload);
+        const res = await supplierApi.getArticles(entityId, [trimmed]);
-  },
+        const articles = Array.isArray(res?.articles) ? res.articles : [];
 
-  async fetchSupplierArticles(targetEntityId, targetLines) {
+        const nextMap = buildSupplierArticlesMap(articles, automat.state.supplierArticlesMap);
-    const entityId = targetEntityId ?? deliveryEditorAutomat.state.deliveryEntity ?? deliveryEditorAutomat.state.partyId;
+        const matched = nextMap[trimmed.toLowerCase()] || nextMap[trimmed] || articles[0] || null;
-    if (!entityId) {
-      deliveryEditorAutomat.setState({
-        supplierArticles: [],
-        supplierArticlesMap: {},
-        supplierArticlesByLineKey: {},
-        supplierArticlesLoading: false,
-        loadingLineKeys: {},
-      });
-      return;
-    }
 
-    const lines = targetLines ?? deliveryEditorAutomat.state.lines ?? [];
+        const byLineKey = { ...(automat.state.supplierArticlesByLineKey || {}) };
-    const skus = Array.from(
+        if (lineKey != null) {
-      new Set(
+          byLineKey[lineKey] = matched;
-        lines
+        }
-          .map((l) => (l.sku != null ? String(l.sku).trim() : ''))
-          .filter(Boolean),
-      ),
-    );
 
-    deliveryEditorAutomat.setState({
+        const currentList = automat.state.supplierArticles || [];
-      supplierArticlesLoading: true,
+        const mergedList = [...currentList];
-      supplierArticlesError: null,
+        for (const a of articles) {
-    });
+          if (!mergedList.some((existing) => existing.id === a.id)) {
+            mergedList.push(a);
+          }
+        }
 
-    try {
+        const nextLoading = { ...(automat.state.loadingLineKeys || {}) };
-      const res = await supplierApi.getArticles(entityId, skus);
+        if (lineKey != null) delete nextLoading[lineKey];
-      const articles = Array.isArray(res?.articles) ? res.articles : [];
 
-      const map = buildSupplierArticlesMap(articles);
+        automat.setState({
-      const byLineKey = {};
+          supplierArticles: mergedList,
-      for (const line of lines) {
+          supplierArticlesMap: nextMap,
-        if (line.key != null) {
+          supplierArticlesByLineKey: byLineKey,
-          const rawSku = line.sku != null ? String(line.sku).trim() : '';
+          loadingLineKeys: nextLoading,
-          byLineKey[line.key] = rawSku ? (map[rawSku.toLowerCase()] || map[rawSku] || null) : null;
+          supplierArticlesLoading: Object.keys(nextLoading).length > 0,
+        });
+      } catch (err) {
+        console.error('Fehler beim Abrufen des Artikels für SKU:', err);
+        const nextLoading = { ...(automat.state.loadingLineKeys || {}) };
+        if (lineKey != null) delete nextLoading[lineKey];
+        automat.setState({
+          loadingLineKeys: nextLoading,
+          supplierArticlesLoading: Object.keys(nextLoading).length > 0,
+        });
+      }
+    },
+
+    /**
+     * Removes the supplier-article assignment behind a matched line by
+     * `DELETE /api/article/{sku}/supplier/{id}`, then re-resolves the line.
+     *
+     * @param {string|number} internalSku Internal article SKU.
+     * @param {string|number} assignmentId Article-supplier assignment ID.
+     * @param {string|number} [lineKey] Editor line key showing the match.
+     * @returns {Promise<void>}
+     */
+    async unlinkSupplierArticle(internalSku, assignmentId, lineKey) {
+      const entityId = automat.state.deliveryEntity ?? automat.state.partyId;
+      const sku = internalSku != null ? String(internalSku).trim() : '';
+      if (!sku || assignmentId == null) {
+        throw new Error('Artikelsku und Zuordnungs-ID sind erforderlich.');
+      }
+
+      if (lineKey != null) {
+        automat.setState({
+          busySupplierArticleLineKeys: {
+            ...(automat.state.busySupplierArticleLineKeys || {}),
+            [lineKey]: true,
+          },
+        });
+      }
+
+      try {
+        await articleApi.deleteSupplier(sku, assignmentId);
+
+        const clearedMap = { ...(automat.state.supplierArticlesMap || {}) };
+        for (const [mapKey, item] of Object.entries(clearedMap)) {
+          if (item != null && String(item.id) === String(assignmentId)) {
+            delete clearedMap[mapKey];
+          }
+        }
+
+        const nextList = (automat.state.supplierArticles || []).filter(
+          (item) => item != null && String(item.id) !== String(assignmentId),
+        );
+
+        const byLineKey = { ...(automat.state.supplierArticlesByLineKey || {}) };
+        if (lineKey != null) byLineKey[lineKey] = null;
+
+        automat.setState({
+          supplierArticles: nextList,
+          supplierArticlesMap: clearedMap,
+          supplierArticlesByLineKey: byLineKey,
+        });
+
+        if (lineKey != null && entityId) {
+          const line = (automat.state.lines || []).find((l) => l.key === lineKey);
+          const rawSku = line?.sku != null ? String(line.sku).trim() : '';
+          if (rawSku) {
+            await automat.actions.fetchSupplierArticleForSku(rawSku, lineKey);
+          }
+        }
+      } finally {
+        if (lineKey != null) {
+          const nextBusy = { ...(automat.state.busySupplierArticleLineKeys || {}) };
+          delete nextBusy[lineKey];
+          automat.setState({ busySupplierArticleLineKeys: nextBusy });
         }
       }
+    },
 
-      deliveryEditorAutomat.setState({
+    /** @param {Object} attachment @returns {void} */
-        supplierArticles: articles,
+    addAttachment(attachment) {
-        supplierArticlesMap: map,
+      const id = attachment.id ?? `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
-        supplierArticlesByLineKey: byLineKey,
+      const item = { ...attachment, id };
-        supplierArticlesLoading: false,
+      const next = [...(automat.state.attachments ?? []), item];
-        loadingLineKeys: {},
+      automat.setState({ attachments: next, files: next });
-      });
+    },
-    } catch (err) {
-      console.error('Fehler beim Abrufen der Lieferanten-Artikel:', err);
-      deliveryEditorAutomat.setState({
-        supplierArticlesLoading: false,
-        supplierArticlesError: err?.message || 'Fehler beim Laden der Artikel',
-      });
-    }
-  },
 
-  async fetchSupplierArticleForSku(sku, lineKey) {
+    /** @param {Array<Object>} attachments @returns {void} */
-    const entityId = deliveryEditorAutomat.state.deliveryEntity ?? deliveryEditorAutomat.state.partyId;
+    setAttachments(attachments) {
-    const trimmed = sku != null ? String(sku).trim() : '';
+      const clean = Array.isArray(attachments) ? attachments : [];
+      automat.setState({ attachments: clean, files: clean });
+    },
 
-    if (!entityId || !trimmed) {
+    /** @param {{id: string|number, [key: string]: *}} payload @returns {void} */
-      if (lineKey != null) {
+    updateAttachment(payload) {
-        const byLineKey = { ...(deliveryEditorAutomat.state.supplierArticlesByLineKey || {}) };
+      const { id, ...fields } = payload || {};
-        byLineKey[lineKey] = null;
+      const current = automat.state.attachments ?? [];
-        deliveryEditorAutomat.setState({ supplierArticlesByLineKey: byLineKey });
+      const idx = current.findIndex((a) => a.id === id || String(a.id) === String(id));
+      if (idx !== -1) {
+        const next = [...current];
+        next[idx] = { ...next[idx], ...fields };
+        automat.setState({ attachments: next, files: next });
       }
-      return;
+    },
-    }
 
-    const prevLoading = deliveryEditorAutomat.state.loadingLineKeys || {};
+    /** @param {string|number|{id?: string|number, fileId?: string|number}} idOrPayload @returns {void} */
-    deliveryEditorAutomat.setState({
+    removeAttachment(idOrPayload) {
-      loadingLineKeys: lineKey != null ? { ...prevLoading, [lineKey]: true } : prevLoading,
+      const current = automat.state.attachments ?? [];
-    });
+      const targetId =
-
+        typeof idOrPayload === 'object' && idOrPayload !== null
-    try {
+          ? (idOrPayload.id ?? idOrPayload.fileId)
-      const res = await supplierApi.getArticles(entityId, [trimmed]);
+          : idOrPayload;
-      const articles = Array.isArray(res?.articles) ? res.articles : [];
+      const hasMatch = current.some((a) => a.id === targetId || String(a.id) === String(targetId));
-
+      let next;
-      const nextMap = buildSupplierArticlesMap(articles, deliveryEditorAutomat.state.supplierArticlesMap);
+      if (hasMatch) {
-      const matched = nextMap[trimmed.toLowerCase()] || nextMap[trimmed] || articles[0] || null;
+        next = current.filter((a) => a.id !== targetId && String(a.id) !== String(targetId));
-
+      } else if (typeof idOrPayload === 'number' && idOrPayload >= 0 && idOrPayload < current.length) {
-      const byLineKey = { ...(deliveryEditorAutomat.state.supplierArticlesByLineKey || {}) };
+        next = current.filter((_, idx) => idx !== idOrPayload);
-      if (lineKey != null) {
+      } else {
-        byLineKey[lineKey] = matched;
+        next = current.filter((a) => a.id !== targetId && String(a.id) !== String(targetId));
       }
+      automat.setState({ attachments: next, files: next });
+    },
 
-      const currentList = deliveryEditorAutomat.state.supplierArticles || [];
+    /** Resets delivery fields while retaining the available entities. @returns {void} */
-      const mergedList = [...currentList];
+    resetDelivery() {
-      for (const a of articles) {
+      automat.setState({
-        if (!mergedList.some((existing) => existing.id === a.id)) {
+        ...initialDelivery,
-          mergedList.push(a);
-        }
-      }
-
-      const nextLoading = { ...(deliveryEditorAutomat.state.loadingLineKeys || {}) };
-      if (lineKey != null) delete nextLoading[lineKey];
-
-      deliveryEditorAutomat.setState({
-        supplierArticles: mergedList,
-        supplierArticlesMap: nextMap,
-        supplierArticlesByLineKey: byLineKey,
-        loadingLineKeys: nextLoading,
-        supplierArticlesLoading: Object.keys(nextLoading).length > 0,
       });
-    } catch (err) {
+    },
-      console.error('Fehler beim Abrufen des Artikels für SKU:', err);
+
-      const nextLoading = { ...(deliveryEditorAutomat.state.loadingLineKeys || {}) };
+    /** Resets the complete editor state. @returns {void} */
-      if (lineKey != null) delete nextLoading[lineKey];
+    resetDeliveryEditor() {
-      deliveryEditorAutomat.setState({
+      automat.setState({
-        loadingLineKeys: nextLoading,
+        ...initialState,
-        supplierArticlesLoading: Object.keys(nextLoading).length > 0,
       });
-    }
+    },
-  },
+  };
 
-  addAttachment(attachment) {
+  automat = new Automat(initialState, actions, {
-    const id = attachment.id ?? `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+    name,
-    const item = { ...attachment, id };
+    persist: false,
-    const next = [...(deliveryEditorAutomat.state.attachments ?? []), item];
+  });
-    deliveryEditorAutomat.setState({ attachments: next, files: next });
-  },
 
-  setAttachments(attachments) {
+  return automat;
-    const clean = Array.isArray(attachments) ? attachments : [];
+}
-    deliveryEditorAutomat.setState({ attachments: clean, files: clean });
-  },
 
-  updateAttachment(payload) {
+/** Shared automat used for new, unsaved deliveries. */
-    const { id, ...fields } = payload || {};
+export const deliveryDraftAutomat = createDeliveryEditorAutomat({ name: 'delivery-draft' });
-    const current = deliveryEditorAutomat.state.attachments ?? [];
+/** Backward-compatible alias of {@link deliveryDraftAutomat}. */
-    const idx = current.findIndex((a) => a.id === id || String(a.id) === String(id));
+export const deliveryEditorAutomat = deliveryDraftAutomat;
-    if (idx !== -1) {
-      const next = [...current];
-      next[idx] = { ...next[idx], ...fields };
-      deliveryEditorAutomat.setState({ attachments: next, files: next });
-    }
-  },
 
-  removeAttachment(idOrPayload) {
+/**
-    const current = deliveryEditorAutomat.state.attachments ?? [];
+ * Returns the draft automat or the named automat belonging to a saved delivery.
-    const targetId =
+ *
-      typeof idOrPayload === 'object' && idOrPayload !== null
+ * @param {string|number|null} docId Delivery identifier; `null` selects the draft.
-        ? (idOrPayload.id ?? idOrPayload.fileId)
+ * @returns {Automat<DeliveryEditorState>} Delivery-specific editor automat.
-        : idOrPayload;
+ */
-    const hasMatch = current.some((a) => a.id === targetId || String(a.id) === String(targetId));
+export function getDeliveryEditorAutomat(docId) {
-    let next;
+  if (docId == null) {
-    if (hasMatch) {
+    return deliveryDraftAutomat;
-      next = current.filter((a) => a.id !== targetId && String(a.id) !== String(targetId));
+  }
-    } else if (typeof idOrPayload === 'number' && idOrPayload >= 0 && idOrPayload < current.length) {
+  const name = `delivery-${docId}`;
-      next = current.filter((_, idx) => idx !== idOrPayload);
+  let automat = Automat.get(name);
-    } else {
+  if (!automat) {
-      next = current.filter((a) => a.id !== targetId && String(a.id) !== String(targetId));
+    automat = createDeliveryEditorAutomat({ name });
-    }
+  }
-    deliveryEditorAutomat.setState({ attachments: next, files: next });
+  return automat;
-  },
+}
-
-  resetDelivery() {
-    deliveryEditorAutomat.setState({
-      ...initialDelivery,
-    });
-  },
-
-  resetDeliveryEditor() {
-    deliveryEditorAutomat.setState({
-      ...initialState,
-    });
-  },
-});
 
 export const {
   setId,
@@ -429,29 +660,52 @@ export const {
   removeLine,
   fetchSupplierArticles,
   fetchSupplierArticleForSku,
+  unlinkSupplierArticle,
   addAttachment,
   setAttachments,
   updateAttachment,
   removeAttachment,
+  setUnmatchedSupplierName,
   resetDelivery,
   resetDeliveryEditor,
 } = deliveryEditorAutomat.actions;
 
 // Selectors
+/** @param {DeliveryEditorState} [state] @returns {string|number|null} */
 export const selectDeliveryId = (state = deliveryEditorAutomat.state) => state.deliveryId ?? state.id;
+/** @param {DeliveryEditorState} [state] @returns {Array<Object>} */
 export const selectDeliveryEntities = (state = deliveryEditorAutomat.state) => state.deliveryEntities;
+/** @param {DeliveryEditorState} [state] @returns {string|null} */
 export const selectDeliveryDate = (state = deliveryEditorAutomat.state) => state.date;
+/** @param {DeliveryEditorState} [state] @returns {string|number|null} */
 export const selectDeliveryEntity = (state = deliveryEditorAutomat.state) => state.deliveryEntity ?? state.partyId;
+/** @param {DeliveryEditorState} [state] @returns {string|null} */
+export const selectUnmatchedSupplierName = (state = deliveryEditorAutomat.state) => state.unmatchedSupplierName;
+/** @param {DeliveryEditorState} [state] @returns {string|null} */
 export const selectDeliveryExternalNumber = (state = deliveryEditorAutomat.state) => state.externalNumber ?? state.external_number;
+
+/** @param {DeliveryEditorState} [state] @returns {string|null} */
 export const selectDeliveryNumber = (state = deliveryEditorAutomat.state) => state.number;
+/** @param {DeliveryEditorState} [state] @returns {string|null} */
 export const selectDeliveryType = (state = deliveryEditorAutomat.state) => state.type;
+/** @param {DeliveryEditorState} [state] @returns {Array<DeliveryLine>} */
 export const selectDeliveryLineitems = (state = deliveryEditorAutomat.state) => state.lines ?? state.lineitems;
+/** @param {DeliveryEditorState} [state] @returns {Array<*>} */
 export const selectDeliveryNotes = (state = deliveryEditorAutomat.state) => state.notes;
+/** @param {DeliveryEditorState} [state] @returns {Array<Object>} */
 export const selectDeliveryAttachments = (state = deliveryEditorAutomat.state) => state.attachments;
+/** @param {DeliveryEditorState} [state] @returns {Array<SupplierArticle>} */
 export const selectSupplierArticles = (state = deliveryEditorAutomat.state) => state.supplierArticles;
+/** @param {DeliveryEditorState} [state] @returns {Object<string, SupplierArticle>} */
 export const selectSupplierArticlesMap = (state = deliveryEditorAutomat.state) => state.supplierArticlesMap;
+/** @param {DeliveryEditorState} [state] @returns {Object<string, SupplierArticle|null>} */
 export const selectSupplierArticlesByLineKey = (state = deliveryEditorAutomat.state) => state.supplierArticlesByLineKey;
+/** @param {DeliveryEditorState} [state] @returns {boolean} */
 export const selectSupplierArticlesLoading = (state = deliveryEditorAutomat.state) => state.supplierArticlesLoading;
+/** @param {DeliveryEditorState} [state] @returns {Object<string, boolean>} */
 export const selectLoadingLineKeys = (state = deliveryEditorAutomat.state) => state.loadingLineKeys;
+/** @param {DeliveryEditorState} [state] @returns {Object<string, boolean>} */
+export const selectBusySupplierArticleLineKeys = (state = deliveryEditorAutomat.state) =>
+  state.busySupplierArticleLineKeys;
 
 export default deliveryEditorAutomat;

src/automats/index.js

@@ -1 +1,6 @@
 export * from './deliveryEditorAutomat';
+export { default as authAutomat } from './authAutomat';
+export * from './authAutomat';
+export { default as navigationAutomat } from './navigationAutomat';
+export { setLastDeliveryPath, setLastArticleSku, clearNavigation } from './navigationAutomat';
+export { default as supplierAutomat } from './supplierAutomat';

src/automats/navigationAutomat.js

@@ -0,0 +1,63 @@
+import { Automat } from 'react-automat';
+
+/**
+ * @typedef {Object} NavigationState
+ * @property {string|null} lastDeliveryPath Last delivery path visited by the user.
+ * @property {string|null} lastArticleSku Last article SKU visited by the user.
+ */
+
+/** @type {NavigationState} */
+const initialState = {
+  lastDeliveryPath: null,
+  lastArticleSku: null,
+};
+
+/**
+ * Stores the user's most recently visited delivery and article so main-menu
+ * navigation can restore the previous context.
+ *
+ * @type {Automat<NavigationState>}
+ */
+const navigationAutomat = new Automat(
+  initialState,
+  {
+    /**
+     * Set the last visited delivery path.
+      *
+      * @param {string|null} path Full path such as `/lieferung/19` or `/lieferung/neu`.
+      * @returns {void}
+     */
+    setLastDeliveryPath(path) {
+      navigationAutomat.setState({ lastDeliveryPath: path });
+    },
+
+    /**
+     * Set the last visited article SKU.
+      *
+     * @param {string|null} sku
+      * @returns {void}
+     */
+    setLastArticleSku(sku) {
+      navigationAutomat.setState({ lastArticleSku: sku });
+    },
+
+    /**
+     * Clear all navigation history.
+      *
+      * @returns {void}
+     */
+    clearNavigation() {
+      navigationAutomat.setState({
+        lastDeliveryPath: null,
+        lastArticleSku: null,
+      });
+    },
+  },
+  {
+    name: 'navigation',
+    persist: false,
+  }
+);
+
+export default navigationAutomat;
+export const { setLastDeliveryPath, setLastArticleSku, clearNavigation } = navigationAutomat.actions;

src/automats/supplierAutomat.js

@@ -0,0 +1,201 @@
+import { Automat } from 'react-automat';
+import { supplier as supplierApi } from '../api';
+import { requireArray, requireDefined, requireObject } from '../utils/apiShape';
+import authAutomat from './authAutomat';
+
+/**
+ * @typedef {Object} Supplier
+ * @property {string|number} id Supplier identifier.
+ * @property {string} name Supplier name.
+ */
+
+/**
+ * @typedef {Object} SupplierState
+ * @property {Array<Supplier>} suppliers Company-scoped suppliers.
+ * @property {'idle'|'loading'|'ready'|'failed'} status Load lifecycle state.
+ * @property {Error|null} error Last load error.
+ */
+
+/** @type {SupplierState} */
+const initialState = {
+  suppliers: [],
+  status: 'idle',
+  error: null,
+};
+
+let supplierAutomat;
+
+/**
+ * Fetches the company-scoped supplier list.
+ *
+ * @returns {Promise<Array<Supplier>>} Supplier list.
+ */
+async function fetchSuppliers() {
+  const data = await supplierApi.list();
+  requireObject(data, 'GET /api/supplier');
+  return requireArray(data.suppliers, 'suppliers');
+}
+
+/** In-flight `load()` promise so concurrent consumers share one request. */
+let inflightLoad = null;
+
+/**
+ * Loads the supplier list once, deduplicating concurrent callers.
+ *
+ * @returns {Promise<Array<Supplier>>} Loaded suppliers.
+ */
+function loadSuppliers() {
+  if (inflightLoad) return inflightLoad;
+  inflightLoad = (async () => {
+    supplierAutomat.setState({ status: 'loading', error: null });
+    try {
+      const suppliers = await fetchSuppliers();
+      supplierAutomat.setState({ suppliers, status: 'ready', error: null });
+      return suppliers;
+    } catch (error) {
+      supplierAutomat.setState({ status: 'failed', error });
+      throw error;
+    } finally {
+      inflightLoad = null;
+    }
+  })();
+  return inflightLoad;
+}
+
+const actions = {
+  /**
+   * Loads the supplier list, exposing a loading/failed lifecycle.
+   *
+   * @returns {Promise<Array<Supplier>>} Loaded suppliers.
+   */
+  load() {
+    return loadSuppliers();
+  },
+
+  /**
+   * Silently re-fetches the supplier list while keeping the current state.
+   *
+   * @returns {Promise<Array<Supplier>>} Fresh suppliers.
+   */
+  async reload() {
+    try {
+      const suppliers = await fetchSuppliers();
+      supplierAutomat.setState({ suppliers, status: 'ready', error: null });
+      return suppliers;
+    } catch (error) {
+      supplierAutomat.setState({ error });
+      throw error;
+    }
+  },
+
+  /**
+   * Creates a supplier and refreshes the cached list.
+   *
+   * @param {{name: string}} body Creation payload.
+   * @returns {Promise<Supplier>} Created supplier.
+   */
+  async create(body) {
+    const data = await supplierApi.create(body);
+    requireObject(data, 'POST /api/supplier');
+    requireObject(data.supplier, 'supplier');
+    requireDefined(data.supplier.id, 'supplier.id');
+    await supplierAutomat.actions.reload();
+    return data.supplier;
+  },
+
+  /**
+   * Renames a supplier and refreshes the cached list.
+   *
+   * @param {string|number} id Supplier identifier.
+   * @param {{name: string}} body Update payload.
+   * @returns {Promise<Supplier>} Updated supplier.
+   */
+  async update(id, body) {
+    const data = await supplierApi.update(id, body);
+    requireObject(data, 'PATCH /api/supplier/:id');
+    requireObject(data.supplier, 'supplier');
+    requireDefined(data.supplier.id, 'supplier.id');
+    await supplierAutomat.actions.reload();
+    return data.supplier;
+  },
+
+  /**
+   * Deletes a supplier and refreshes the cached list.
+   *
+   * @param {string|number} id Supplier identifier.
+   * @returns {Promise<void>}
+   */
+  async remove(id) {
+    await supplierApi.delete(id);
+    await supplierAutomat.actions.reload();
+  },
+
+  /**
+   * Replaces the cached list without a round-trip.
+   *
+   * @param {Array<Supplier>} suppliers Suppliers to cache.
+   * @returns {void}
+   */
+  setSuppliers(suppliers) {
+    supplierAutomat.setState({
+      suppliers: Array.isArray(suppliers) ? suppliers : [],
+      status: 'ready',
+      error: null,
+    });
+  },
+
+  /**
+   * Forgets the cached list and returns to the initial state.
+   *
+   * @returns {void}
+   */
+  clear() {
+    supplierAutomat.setState({ ...initialState });
+  },
+};
+
+/**
+ * Company-scoped supplier cache. Loads automatically once an authenticated
+ * session with a selected company exists and is cleared when auth is gone.
+ *
+ * @type {Automat<SupplierState>}
+ */
+supplierAutomat = new Automat(initialState, actions, { name: 'supplier' });
+
+/**
+ * Derives the cache key from the auth state: the selected company while
+ * authenticated, otherwise `null`.
+ *
+ * @param {import('./authAutomat').AuthState} authState Auth automat state.
+ * @returns {string|null} Cache key.
+ */
+function authKey(authState) {
+  if (authState?.status !== 'authed' || !authState.user) return null;
+  const companyId = authState.user.selectedCompanyId;
+  return companyId == null ? null : String(companyId);
+}
+
+let lastAuthKey;
+
+/**
+ * Loads the supplier list when auth/company becomes available and forgets it
+ * when the session ends.
+ *
+ * @param {import('./authAutomat').AuthState} authState Auth automat state.
+ * @returns {void}
+ */
+function syncWithAuth(authState) {
+  const key = authKey(authState);
+  if (key === lastAuthKey) return;
+  lastAuthKey = key;
+  if (key == null) {
+    supplierAutomat.actions.clear();
+  } else {
+    void supplierAutomat.actions.load().catch(() => {});
+  }
+}
+
+authAutomat.subscribe(syncWithAuth);
+syncWithAuth(authAutomat.state);
+
+export default supplierAutomat;

src/components/AppShell.jsx

@@ -11,13 +11,34 @@ import UserMenu from './UserMenu';
 import { NAV_ITEMS, SUB_NAV, resolveActiveNav, resolveActiveSub } from '../nav';
 import { artikelQueryPath } from '../pages/artikel/artikelQuery';
 import { defaultCategoryPath } from '../pages/artikel/categoryRoute';
+import { navigationAutomat } from '../automats';
 
 const SIDEBAR_WIDTH = 144;
 const SUB_NAV_WIDTH = 88;
 
 class AppSidebar extends PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      lastDeliveryPath: navigationAutomat.state.lastDeliveryPath,
+      lastArticleSku: navigationAutomat.state.lastArticleSku,
+    };
+  }
+
+  componentDidMount() {
+    this.unsub = navigationAutomat.subscribe(this, (state) => ({
+      lastDeliveryPath: state.lastDeliveryPath,
+      lastArticleSku: state.lastArticleSku,
+    }));
+  }
+
+  componentWillUnmount() {
+    this.unsub?.();
+  }
+
   render() {
     const { activeNav, navigate } = this.props;
+    const { lastDeliveryPath, lastArticleSku } = this.state;
 
     return (
       <Box
@@ -45,7 +66,21 @@ class AppSidebar extends PureComponent {
                 selected={active}
                 onMouseDown={(e) => e.preventDefault()}
                 onClick={() => {
-                  navigate(path === '/artikel' ? artikelQueryPath() : path);
+                  if (path === '/artikel') {
+                    if (lastArticleSku) {
+                      navigate(`/artikel/${lastArticleSku}`);
+                    } else {
+                      navigate(artikelQueryPath());
+                    }
+                  } else if (path === '/lieferung') {
+                    if (lastDeliveryPath) {
+                      navigate(lastDeliveryPath);
+                    } else {
+                      navigate(path);
+                    }
+                  } else {
+                    navigate(path);
+                  }
                 }}
                 sx={(theme) => ({
                   borderRadius: 0,

src/components/AuthBootstrap.jsx

@@ -1,9 +1,8 @@
 import { Component } from 'react';
-import { connect } from 'react-redux';
 import { enqueueSnackbar } from 'notistack';
 import { notifyError } from '../utils/notify';
 import { StorageManagerContext } from '../api/storageManagerContext';
-import { bootstrapSession as bootstrapSessionThunk } from '../store/authSlice';
+import authAutomat from '../automats/authAutomat';
 
 let sessionBootstrapped = false;
 
@@ -19,7 +18,7 @@ class AuthBootstrap extends Component {
         if (session.forbidden) {
           enqueueSnackbar(session.message, { variant: 'warning' });
         }
-        return this.props.bootstrapSession(session).unwrap();
+        return authAutomat.actions.bootstrapSession(session);
       })
       .catch((err) => {
         notifyError(err);
@@ -31,8 +30,4 @@ class AuthBootstrap extends Component {
   }
 }
 
-const mapDispatchToProps = (dispatch) => ({
+export default AuthBootstrap;
-  bootstrapSession: (session) => dispatch(bootstrapSessionThunk(session)),
-});
-
-export default connect(null, mapDispatchToProps)(AuthBootstrap);

src/components/CompanySetupDialog.jsx

@@ -1,5 +1,4 @@
 import { Component } from 'react';
-import { connect } from 'react-redux';
 import Alert from '@mui/material/Alert';
 import Box from '@mui/material/Box';
 import Button from '@mui/material/Button';
@@ -23,11 +22,7 @@ import BusinessIcon from '@mui/icons-material/Business';
 import BackendError from './BackendError';
 import { company } from '../api';
 import { StorageManagerContext } from '../api/storageManagerContext';
-import {
+import authAutomat from '../automats/authAutomat';
-  createCompany as createCompanyThunk,
-  logout as logoutThunk,
-  selectCompany as selectCompanyThunk,
-} from '../store/authSlice';
 import {
   defaultIso639,
   ISO639_OPTIONS,
@@ -75,7 +70,7 @@ class CompanySetupDialog extends Component {
   async handleSelect(companyId) {
     this.setState({ busy: true, error: null });
     try {
-      await this.props.selectCompany(companyId).unwrap();
+      await authAutomat.actions.selectCompany(companyId);
       await this.context.updateAuthMe();
     } catch (err) {
       this.setState({ error: backendErrorFrom(err) });
@@ -102,14 +97,12 @@ class CompanySetupDialog extends Component {
 
     this.setState({ busy: true, error: null });
     try {
-      await this.props
+      await authAutomat.actions.createCompany({
-        .createCompany({
+        name: name.trim(),
-          name: name.trim(),
+        iso639,
-          iso639,
+        taxrate: parsedTaxrate,
-          taxrate: parsedTaxrate,
+        reducedtaxrate: parsedReducedtaxrate,
-          reducedtaxrate: parsedReducedtaxrate,
+      });
-        })
-        .unwrap();
       await this.context.updateAuthMe();
       await this.context.updateCompany();
     } catch (err) {
@@ -121,7 +114,7 @@ class CompanySetupDialog extends Component {
 
   async handleLogout() {
     try {
-      await this.props.logout().unwrap();
+      await authAutomat.actions.logout();
       await this.context.updateAuthMe();
     } catch (err) {
       this.setState({ error: backendErrorFrom(err) });
@@ -293,10 +286,4 @@ class CompanySetupDialog extends Component {
   }
 }
 
-const mapDispatchToProps = (dispatch) => ({
+export default CompanySetupDialog;
-  createCompany: (payload) => dispatch(createCompanyThunk(payload)),
-  selectCompany: (companyId) => dispatch(selectCompanyThunk(companyId)),
-  logout: () => dispatch(logoutThunk()),
-});
-
-export default connect(null, mapDispatchToProps)(CompanySetupDialog);

src/components/LoginPage.jsx

@@ -1,11 +1,10 @@
-import { Component } from 'react';
+import { PureComponent } from 'react';
-import { connect } from 'react-redux';
 import Box from '@mui/material/Box';
 import Button from '@mui/material/Button';
 import GoogleIcon from '@mui/icons-material/Google';
 import { enqueueSnackbar } from 'notistack';
 import { notifyErrorMessage } from '../utils/notify';
-import { loginWithGoogle, selectAuthStatus, selectGoogleClientId } from '../store/authSlice';
+import authAutomat from '../automats/authAutomat';
 import { StorageManagerContext } from '../api/storageManagerContext';
 import {
   abortGoogleSignIn,
@@ -16,17 +15,25 @@ import {
   requestGoogleIdToken,
 } from '../auth/googleSignIn';
 
-class LoginPage extends Component {
+class LoginPage extends PureComponent {
   static contextType = StorageManagerContext;
 
   constructor(props) {
     super(props);
-    this.state = { busy: false };
+    this.state = { ...authAutomat.state, busy: false };
     this.handleLogin = this.handleLogin.bind(this);
   }
 
+  componentDidMount() {
+    this.unsubscribe = authAutomat.subscribe(this, ['status', 'googleClientId']);
+  }
+
+  componentWillUnmount() {
+    this.unsubscribe?.();
+  }
+
   async handleLogin() {
-    const { googleClientId } = this.props;
+    const { googleClientId } = this.state;
     abortGoogleSignIn();
     try {
       const idToken = await requestGoogleIdToken(googleClientId, {
@@ -38,7 +45,7 @@ class LoginPage extends Component {
         },
       });
       this.setState({ busy: true });
-      await this.props.loginWithGoogle(idToken).unwrap();
+      await authAutomat.actions.loginWithGoogle(idToken);
       await this.context.updateAuthMe();
     } catch (err) {
       if (err instanceof GoogleSignInCancelledError) return;
@@ -74,8 +81,7 @@ class LoginPage extends Component {
   }
 
   render() {
-    const { busy } = this.state;
+    const { busy, status, googleClientId } = this.state;
-    const { status, googleClientId } = this.props;
     const loading = status === 'loading';
     const ready = Boolean(googleClientId);
 
@@ -103,13 +109,4 @@ class LoginPage extends Component {
   }
 }
 
-const mapStateToProps = (state) => ({
+export default LoginPage;
-  status: selectAuthStatus(state),
-  googleClientId: selectGoogleClientId(state),
-});
-
-const mapDispatchToProps = (dispatch) => ({
-  loginWithGoogle: (credential) => dispatch(loginWithGoogle(credential)),
-});
-
-export default connect(mapStateToProps, mapDispatchToProps)(LoginPage);

src/components/UserMenu.jsx

@@ -1,5 +1,4 @@
-import { Component } from 'react';
+import { PureComponent } from 'react';
-import { connect } from 'react-redux';
 import Avatar from '@mui/material/Avatar';
 import Box from '@mui/material/Box';
 import IconButton from '@mui/material/IconButton';
@@ -11,12 +10,12 @@ import LogoutIcon from '@mui/icons-material/Logout';
 import BusinessIcon from '@mui/icons-material/Business';
 import SettingsIcon from '@mui/icons-material/Settings';
 import { StorageManagerContext } from '../api/storageManagerContext';
-import { logout } from '../store/authSlice';
+import authAutomat from '../automats/authAutomat';
 import CompanySettingsDialog from './CompanySettingsDialog';
 import SettingsDialog from './settings/SettingsDialog';
 import { notifyError } from '../utils/notify';
 
-class UserMenu extends Component {
+class UserMenu extends PureComponent {
   static contextType = StorageManagerContext;
 
   constructor(props) {
@@ -25,7 +24,7 @@ class UserMenu extends Component {
       anchorEl: null,
       settingsOpen: false,
       numbersOpen: false,
-      user: null,
+      user: authAutomat.state.user,
     };
     this.handleOpenMenu = this.handleOpenMenu.bind(this);
     this.handleCloseMenu = this.handleCloseMenu.bind(this);
@@ -37,16 +36,11 @@ class UserMenu extends Component {
   }
 
   componentDidMount() {
-    void this.loadUser();
+    this.unsubscribe = authAutomat.subscribe(this, 'user');
   }
 
-  async loadUser() {
+  componentWillUnmount() {
-    try {
+    this.unsubscribe?.();
-      const session = await this.context.authMePromise;
-      this.setState({ user: session.user });
-    } catch (err) {
-      notifyError(err);
-    }
   }
 
   handleOpenMenu(event) {
@@ -76,7 +70,7 @@ class UserMenu extends Component {
   async handleLogout() {
     this.setState({ anchorEl: null });
     try {
-      await this.props.logout().unwrap();
+      await authAutomat.actions.logout();
       await this.context.updateAuthMe();
     } catch (err) {
       notifyError(err);
@@ -134,8 +128,4 @@ class UserMenu extends Component {
   }
 }
 
-const mapDispatchToProps = (dispatch) => ({
+export default UserMenu;
-  logout: () => dispatch(logout()),
-});
-
-export default connect(null, mapDispatchToProps)(UserMenu);

src/components/article/ArticleView.jsx

@@ -6,6 +6,7 @@ import {
   buildCategoryPath,
   defaultCategoryPath,
 } from '../../pages/artikel/categoryRoute';
+import articleAutomat, { createArticleSelector } from '../../store/articleAutomat';
 
 import ArticleTileTab from './ArticleTileTab';
 import ArticlePhotoTile from './ArticlePhotoTile';
@@ -24,34 +25,52 @@ class ArticleView extends PureComponent {
 
   constructor(props, context) {
     super(props, context);
-    const { article, unwatch } = context.article.watch(
+    
-      props.sku,
+    const sku = props.sku;
-      (next) => {
+    const currentArticle = articleAutomat.state[sku] ?? null;
-        this.setState({ article: next });
+    
-      },
+    this.state = { article: currentArticle };
-    );
-    this.state = { article };
-    this.unwatchArticle = unwatch;
     this.handleArticleDeleted = this.handleArticleDeleted.bind(this);
-  }
+    
-
+    if (!currentArticle) {
-  componentDidUpdate(prevProps) {
+      articleAutomat.actions.loadArticle(sku).catch((err) => {
-    const { sku } = this.props;
+        console.error('Failed to load article:', err);
-
+      });
-    if (prevProps.sku !== sku) {
-      this.unwatchArticle?.();
-      const { article: next, unwatch } = this.context.article.watch(
-        sku,
-        (updated) => this.setState({ article: updated }),
-      );
-      this.unwatchArticle = unwatch;
-      this.setState({ article: next });
     }
   }
 
+  componentDidMount() {
+    this.subscribeToArticle();
+  }
+
+  componentDidUpdate(prevProps) {
+    if (prevProps.sku !== this.props.sku) {
+      const currentArticle = articleAutomat.state[this.props.sku] ?? null;
+      this.setState({ article: currentArticle });
+      
+      if (!currentArticle) {
+        articleAutomat.actions.loadArticle(this.props.sku).catch((err) => {
+          console.error('Failed to load article:', err);
+        });
+      }
+      
+      this.subscribeToArticle();
+    }
+  }
+
+  subscribeToArticle() {
+    if (this.unsub) this.unsub();
+    const selector = createArticleSelector(this.props.sku);
+    this.unsub = articleAutomat.subscribe(this, (state) => ({
+      article: selector(state),
+    }));
+  }
+
   componentWillUnmount() {
-    this.unwatchArticle?.();
+    if (this.unsub) {
-    this.unwatchArticle = null;
+      this.unsub();
+      this.unsub = null;
+    }
   }
 
   handleArticleDeleted() {

src/components/article/tabs/ArticleSupplierTab.jsx

@@ -23,6 +23,7 @@ import { enqueueSnackbar } from 'notistack';
 import { StorageManagerContext } from '../../../api/storageManagerContext';
 import { notifyError } from '../../../utils/notify';
 import { formatPrice } from '../../../utils/price';
+import supplierAutomat from '../../../automats/supplierAutomat';
 import ArticleSupplierDialog from '../ArticleSupplierDialog';
 
 export default class ArticleSupplierTab extends PureComponent {
@@ -80,7 +81,7 @@ export default class ArticleSupplierTab extends PureComponent {
     // 2. Fetch available company suppliers and company metadata
     try {
       const [companySuppliers, company] = await Promise.all([
-        this.context.suppliers ?? this.context.supplierPromise,
+        supplierAutomat.actions.load(),
         this.context.company ?? this.context.companyPromise,
       ]);
       this.setState({

src/components/manifest/ArticleSearchDialog.jsx

@@ -0,0 +1,344 @@
+import { PureComponent } from 'react';
+import Box from '@mui/material/Box';
+import Button from '@mui/material/Button';
+import CircularProgress from '@mui/material/CircularProgress';
+import Dialog from '@mui/material/Dialog';
+import DialogActions from '@mui/material/DialogActions';
+import DialogContent from '@mui/material/DialogContent';
+import DialogTitle from '@mui/material/DialogTitle';
+import IconButton from '@mui/material/IconButton';
+import InputAdornment from '@mui/material/InputAdornment';
+import List from '@mui/material/List';
+import ListItemAvatar from '@mui/material/ListItemAvatar';
+import ListItemButton from '@mui/material/ListItemButton';
+import ListItemText from '@mui/material/ListItemText';
+import TextField from '@mui/material/TextField';
+import Typography from '@mui/material/Typography';
+import Chip from '@mui/material/Chip';
+import Alert from '@mui/material/Alert';
+import CloseIcon from '@mui/icons-material/Close';
+import SearchIcon from '@mui/icons-material/Search';
+import Inventory2OutlinedIcon from '@mui/icons-material/Inventory2Outlined';
+import LinkIcon from '@mui/icons-material/Link';
+import { StorageManagerContext } from '../../api/storageManagerContext';
+import ArticlePhoto from '../article/ArticlePhoto';
+
+export default class ArticleSearchDialog extends PureComponent {
+  static contextType = StorageManagerContext;
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      query: '',
+      articles: [],
+      loading: false,
+      error: null,
+      assigningSku: null,
+    };
+    this.handleQueryChange = this.handleQueryChange.bind(this);
+    this.handleClearQuery = this.handleClearQuery.bind(this);
+    this.handleSelect = this.handleSelect.bind(this);
+  }
+
+  componentDidMount() {
+    if (this.props.open) {
+      this.initFromLine();
+      void this.loadArticles();
+    }
+  }
+
+  componentDidUpdate(prevProps) {
+    if (!prevProps.open && this.props.open) {
+      this.initFromLine();
+      void this.loadArticles();
+    }
+  }
+
+  initFromLine() {
+    const { line } = this.props;
+    const initialQuery = line?.name?.trim() || line?.sku?.trim() || '';
+    this.setState({
+      query: initialQuery,
+      assigningSku: null,
+      error: null,
+    });
+  }
+
+  async loadArticles() {
+    this.setState({ loading: true, error: null });
+    try {
+      let list = [];
+      if (this.context?.articleIndexPromise) {
+        list = await this.context.articleIndexPromise;
+      } else if (this.context?.article?.index) {
+        const res = await this.context.article.index();
+        list = res?.articles || [];
+      }
+      this.setState({ articles: Array.isArray(list) ? list : [], loading: false });
+    } catch (err) {
+      console.error('Fehler beim Laden des Artikel-Index:', err);
+      this.setState({
+        loading: false,
+        error: err?.message || 'Artikel-Index konnte nicht geladen werden.',
+      });
+    }
+  }
+
+  handleQueryChange(e) {
+    this.setState({ query: e.target.value });
+  }
+
+  handleClearQuery() {
+    this.setState({ query: '' });
+  }
+
+  async handleSelect(article) {
+    const { onAssign, line } = this.props;
+    if (!onAssign || !article?.sku) return;
+
+    this.setState({ assigningSku: article.sku, error: null });
+    try {
+      await onAssign(article, line);
+    } catch (err) {
+      this.setState({
+        assigningSku: null,
+        error: err?.message || 'Fehler beim Verknüpfen des Lieferanten-Artikels.',
+      });
+    }
+  }
+
+  render() {
+    const { open, onClose, line } = this.props;
+    const { query, articles, loading, error, assigningSku } = this.state;
+
+    const trimmed = query.trim().toLowerCase();
+    const filtered = trimmed
+      ? articles.filter((a) => {
+          const skuMatch = a.sku?.toLowerCase().includes(trimmed);
+          const nameMatch = a.name?.toLowerCase().includes(trimmed);
+          const eanMatch = Array.isArray(a.eans)
+            ? a.eans.some((e) => String(e).toLowerCase().includes(trimmed))
+            : false;
+          return skuMatch || nameMatch || eanMatch;
+        })
+      : articles.slice(0, 50);
+
+    const rawSku = line?.sku != null ? String(line.sku).trim() : '';
+
+    return (
+      <Dialog
+        open={open}
+        onClose={assigningSku ? undefined : onClose}
+        maxWidth="sm"
+        fullWidth
+        aria-labelledby="article-search-dialog-title"
+      >
+        <DialogTitle
+          id="article-search-dialog-title"
+          sx={{
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'space-between',
+            pb: 1,
+          }}
+        >
+          <Box>
+            <Typography variant="h6" component="div" fontWeight={600}>
+              Existierenden Artikel zuordnen
+            </Typography>
+            <Typography variant="caption" color="text.secondary">
+              Lieferanten-SKU: <strong>{rawSku || '–'}</strong>
+              {line?.name ? ` · ${line.name}` : ''}
+            </Typography>
+          </Box>
+          <IconButton
+            size="small"
+            aria-label="Schließen"
+            disabled={Boolean(assigningSku)}
+            onClick={onClose}
+          >
+            <CloseIcon fontSize="small" />
+          </IconButton>
+        </DialogTitle>
+
+        <DialogContent dividers sx={{ p: 2 }}>
+          {error && (
+            <Alert severity="error" sx={{ mb: 2 }}>
+              {error}
+            </Alert>
+          )}
+
+          <TextField
+            autoFocus
+            fullWidth
+            size="small"
+            placeholder="Artikel nach SKU, Name oder EAN suchen…"
+            value={query}
+            onChange={this.handleQueryChange}
+            disabled={Boolean(assigningSku)}
+            slotProps={{
+              input: {
+                startAdornment: (
+                  <InputAdornment position="start">
+                    <SearchIcon fontSize="small" color="action" />
+                  </InputAdornment>
+                ),
+                endAdornment: query ? (
+                  <InputAdornment position="end">
+                    <IconButton size="small" onClick={this.handleClearQuery} edge="end">
+                      <CloseIcon sx={{ fontSize: 16 }} />
+                    </IconButton>
+                  </InputAdornment>
+                ) : null,
+              },
+            }}
+            sx={{ mb: 1.5 }}
+          />
+
+          {loading ? (
+            <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'center', py: 6, gap: 1.5 }}>
+              <CircularProgress size={20} />
+              <Typography variant="body2" color="text.secondary">
+                Artikel werden geladen…
+              </Typography>
+            </Box>
+          ) : filtered.length === 0 ? (
+            <Box sx={{ textAlign: 'center', py: 5 }}>
+              <Typography variant="body2" color="text.secondary">
+                Keine Artikel für &bdquo;{query}&ldquo; gefunden.
+              </Typography>
+            </Box>
+          ) : (
+            <List
+              dense
+              disablePadding
+              sx={{
+                maxHeight: 380,
+                overflowY: 'auto',
+                border: '1px solid',
+                borderColor: 'divider',
+                borderRadius: 1,
+              }}
+            >
+              {filtered.map((article) => {
+                const photo = article.photos?.[0] || article.articlepic?.[0];
+                const fullHash = photo?.hash || photo?.fullHash;
+                const thumbHash = photo?.thumbhash || photo?.thumbHash;
+                const thumbW = photo?.thumbw || photo?.thumbW;
+                const thumbH = photo?.thumbh || photo?.thumbH;
+                const hasPhoto = fullHash != null || thumbHash != null;
+                const primaryEan = Array.isArray(article.eans) ? article.eans[0] : article.eans;
+                const isAssigning = assigningSku === article.sku;
+
+                return (
+                  <ListItemButton
+                    key={article.id || article.sku}
+                    divider
+                    disabled={Boolean(assigningSku)}
+                    onClick={() => this.handleSelect(article)}
+                    sx={{
+                      py: 1,
+                      px: 1.5,
+                      '&:hover': {
+                        bgcolor: 'action.hover',
+                      },
+                    }}
+                  >
+                    <ListItemAvatar sx={{ minWidth: 44 }}>
+                      <Box
+                        sx={{
+                          width: 34,
+                          height: 34,
+                          borderRadius: 0.75,
+                          overflow: 'hidden',
+                          bgcolor: '#e2e8f0',
+                          display: 'flex',
+                          alignItems: 'center',
+                          justifyContent: 'center',
+                          border: '1px solid',
+                          borderColor: 'divider',
+                        }}
+                      >
+                        {hasPhoto ? (
+                          <ArticlePhoto
+                            photo={{ fullHash, thumbHash, thumbW, thumbH }}
+                            size={34}
+                            fill
+                            objectFit="cover"
+                          />
+                        ) : (
+                          <Inventory2OutlinedIcon sx={{ fontSize: 18, color: 'text.secondary' }} />
+                        )}
+                      </Box>
+                    </ListItemAvatar>
+                    <ListItemText
+                      primary={
+                        <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
+                          <Chip
+                            size="small"
+                            label={article.sku}
+                            sx={{
+                              height: 18,
+                              fontSize: '0.68rem',
+                              fontWeight: 600,
+                              bgcolor: 'primary.50',
+                              color: 'primary.dark',
+                            }}
+                          />
+                          <Typography variant="body2" fontWeight={600} noWrap sx={{ maxWidth: 300 }}>
+                            {article.name || '–'}
+                          </Typography>
+                        </Box>
+                      }
+                      secondary={
+                        primaryEan ? (
+                          <Typography
+                            variant="caption"
+                            color="text.secondary"
+                            sx={{ fontFamily: 'monospace', fontSize: '0.7rem' }}
+                          >
+                            EAN: {primaryEan}
+                          </Typography>
+                        ) : null
+                      }
+                    />
+                    <Button
+                      size="small"
+                      variant="outlined"
+                      startIcon={isAssigning ? <CircularProgress size={12} /> : <LinkIcon sx={{ fontSize: 14 }} />}
+                      disabled={Boolean(assigningSku)}
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        void this.handleSelect(article);
+                      }}
+                      sx={{
+                        fontSize: '0.72rem',
+                        textTransform: 'none',
+                        py: 0.25,
+                        px: 1.25,
+                        ml: 1,
+                        flexShrink: 0,
+                      }}
+                    >
+                      {isAssigning ? 'Zuordnen…' : 'Zuordnen'}
+                    </Button>
+                  </ListItemButton>
+                );
+              })}
+            </List>
+          )}
+        </DialogContent>
+
+        <DialogActions sx={{ px: 2, py: 1.5 }}>
+          <Button
+            size="small"
+            disabled={Boolean(assigningSku)}
+            onClick={onClose}
+          >
+            Abbrechen
+          </Button>
+        </DialogActions>
+      </Dialog>
+    );
+  }
+}

src/components/manifest/Attachment.jsx

@@ -31,8 +31,19 @@ export class Attachment extends PureComponent {
     if (onClick && attachment) {
       onClick(attachment);
     } else if (attachment?.file instanceof Blob || attachment?.file instanceof File) {
-      const url = URL.createObjectURL(attachment.file);
+      if (attachment.file.size > 0) {
-      window.open(url, '_blank');
+        const url = URL.createObjectURL(attachment.file);
+        window.open(url, '_blank');
+      } else {
+        const docId = attachment.manifestId;
+        const fileId = attachment.fileId ?? attachment.id;
+        if (docId != null && fileId != null) {
+          window.open(
+            `/api/delivery/${encodeURIComponent(docId)}/file/${encodeURIComponent(fileId)}`,
+            '_blank',
+          );
+        }
+      }
     }
   };
 
@@ -49,7 +60,8 @@ export class Attachment extends PureComponent {
     const name = attachment?.name || 'Dokument';
     const size = attachment?.size;
     const isPdf = attachment?.type === 'application/pdf' || name.toLowerCase().endsWith('.pdf');
-    const isText = attachment?.type?.startsWith('text/') || name.toLowerCase().endsWith('.txt');
+    const isCsv = attachment?.type === 'text/csv' || name.toLowerCase().endsWith('.csv');
+    const isText = attachment?.type?.startsWith('text/') || name.toLowerCase().endsWith('.txt') || isCsv;
 
     return (
       <Box
@@ -125,7 +137,7 @@ export class Attachment extends PureComponent {
                     letterSpacing: '0.05em',
                   }}
                 >
-                  TXT
+                  {isCsv ? 'CSV' : 'TXT'}
                 </Typography>
               </Box>
               <Typography

src/components/manifest/ManifestForm.jsx

@@ -59,6 +59,7 @@ class ManifestForm extends PureComponent {
     this.handleSave = this.handleSave.bind(this);
     this.handlePdfUpload = this.handlePdfUpload.bind(this);
     this.handleClosePdfDialog = this.handleClosePdfDialog.bind(this);
+    this.handleAbortParse = this.handleAbortParse.bind(this);
   }
 
   componentDidMount() {
@@ -78,6 +79,10 @@ class ManifestForm extends PureComponent {
 
   componentWillUnmount() {
     this._cancelled = true;
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
   }
 
   async loadPartiesOnly() {
@@ -210,15 +215,21 @@ class ManifestForm extends PureComponent {
 
   async handlePdfUpload(file) {
     if (!file || this.state.pdfUploading) return;
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+    }
+    const abortController = new AbortController();
+    this._parseAbortController = abortController;
+
     this.setState({
       pdfUploading: true,
       pdfDialogOpen: true,
       pdfFileName: file.name,
-      pdfDialogData: { streaming: true, messages: [], result: null, error: null },
+      pdfDialogData: { streaming: true, messages: [], result: null, error: null, aborted: false },
     });
 
     const appendMessage = (msg) => {
-      if (this._cancelled) return;
+      if (this._cancelled || abortController.signal.aborted) return;
       this.setState((prev) => ({
         pdfDialogData: {
           ...prev.pdfDialogData,
@@ -231,8 +242,8 @@ class ManifestForm extends PureComponent {
       const gen = this.context?.delivery?.parsePdfSse;
       if (!gen) throw new Error('parsePdfSse nicht verfügbar.');
 
-      for await (const { event, data } of this.context.delivery.parsePdfSse(file)) {
+      for await (const { event, data } of this.context.delivery.parsePdfSse(file, { signal: abortController.signal })) {
-        if (this._cancelled) return;
+        if (this._cancelled || abortController.signal.aborted) return;
         switch (event) {
           case 'status':
             appendMessage({ type: 'status', text: data.message ?? String(data) });
@@ -267,6 +278,17 @@ class ManifestForm extends PureComponent {
       }
     } catch (err) {
       if (this._cancelled) return;
+      if (abortController.signal.aborted || err.name === 'AbortError') {
+        this.setState((prev) => ({
+          pdfDialogData: {
+            ...prev.pdfDialogData,
+            streaming: false,
+            aborted: true,
+            error: 'Analyse abgebrochen.',
+          },
+        }));
+        return;
+      }
       notifyError(err);
       this.setState((prev) => ({
         pdfDialogData: {
@@ -276,6 +298,9 @@ class ManifestForm extends PureComponent {
         },
       }));
     } finally {
+      if (this._parseAbortController === abortController) {
+        this._parseAbortController = null;
+      }
       if (!this._cancelled) {
         this.setState((prev) => ({
           pdfUploading: false,
@@ -287,9 +312,30 @@ class ManifestForm extends PureComponent {
     }
   }
 
+  handleAbortParse() {
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
+    this.setState((prev) => ({
+      pdfUploading: false,
+      pdfDialogData: prev.pdfDialogData
+        ? {
+            ...prev.pdfDialogData,
+            streaming: false,
+            aborted: true,
+            error: 'Analyse abgebrochen.',
+          }
+        : null,
+    }));
+  }
 
   handleClosePdfDialog() {
-    this.setState({ pdfDialogOpen: false });
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
+    this.setState({ pdfDialogOpen: false, pdfUploading: false });
   }
 
   async handleSave() {
@@ -454,6 +500,7 @@ class ManifestForm extends PureComponent {
           filename={pdfFileName}
           data={pdfDialogData}
           onClose={this.handleClosePdfDialog}
+          onAbort={this.handleAbortParse}
         />
       </>
     );

src/components/manifest/ManifestFormLine.jsx

@@ -1,4 +1,5 @@
 import { Fragment, PureComponent } from 'react';
+import { Link as RouterLink } from 'react-router-dom';
 import Box from '@mui/material/Box';
 import Button from '@mui/material/Button';
 import Chip from '@mui/material/Chip';
@@ -7,15 +8,19 @@ import IconButton from '@mui/material/IconButton';
 import TableCell from '@mui/material/TableCell';
 import TableRow from '@mui/material/TableRow';
 import TextField from '@mui/material/TextField';
+import Tooltip from '@mui/material/Tooltip';
 import Typography from '@mui/material/Typography';
 import DeleteOutlinedIcon from '@mui/icons-material/DeleteOutlined';
 import HelpOutlineIcon from '@mui/icons-material/HelpOutlineOutlined';
 import Inventory2OutlinedIcon from '@mui/icons-material/Inventory2Outlined';
 import CheckCircleOutlinedIcon from '@mui/icons-material/CheckCircleOutlined';
 import AddIcon from '@mui/icons-material/Add';
+import SearchIcon from '@mui/icons-material/Search';
+import LinkOffOutlinedIcon from '@mui/icons-material/LinkOffOutlined';
 import { LINE_COLUMNS } from './manifestConfig';
 import ArticlePhoto from '../article/ArticlePhoto';
 import { formatPrice } from '../../utils/price';
+import { artikelDetailPath } from '../../pages/artikel/articleRoute';
 
 class ManifestFormLine extends PureComponent {
   constructor(props) {
@@ -23,6 +28,8 @@ class ManifestFormLine extends PureComponent {
     this.handleRemove = this.handleRemove.bind(this);
     this.handleBlur = this.handleBlur.bind(this);
     this.handleCreateArticle = this.handleCreateArticle.bind(this);
+    this.handleSearchArticle = this.handleSearchArticle.bind(this);
+    this.handleRemoveSupplierArticle = this.handleRemoveSupplierArticle.bind(this);
   }
 
   handleRemove() {
@@ -42,6 +49,20 @@ class ManifestFormLine extends PureComponent {
     }
   }
 
+  handleSearchArticle() {
+    const { line, onSearchArticle } = this.props;
+    if (onSearchArticle) {
+      onSearchArticle(line);
+    }
+  }
+
+  handleRemoveSupplierArticle() {
+    const { line, supplierArticle, onRemoveSupplierArticle } = this.props;
+    if (onRemoveSupplierArticle) {
+      onRemoveSupplierArticle(line, supplierArticle);
+    }
+  }
+
   renderField(column) {
     const { id, align, type } = column;
     const { line, saving, onChange } = this.props;
@@ -151,6 +172,9 @@ class ManifestFormLine extends PureComponent {
           {/* Internal Article SKU */}
           {article.sku && (
             <Chip
+              component={RouterLink}
+              to={artikelDetailPath(article)}
+              clickable
               size="small"
               label={`Art.-Nr.: ${article.sku}`}
               sx={{
@@ -161,6 +185,11 @@ class ManifestFormLine extends PureComponent {
                 color: 'primary.dark',
                 border: '1px solid',
                 borderColor: 'primary.200',
+                cursor: 'pointer',
+                textDecoration: 'none',
+                '&:hover': {
+                  bgcolor: 'primary.100',
+                },
               }}
             />
           )}
@@ -196,24 +225,6 @@ class ManifestFormLine extends PureComponent {
             </Typography>
           )}
 
-          {/* Stock */}
-          <Chip
-            size="small"
-            variant="outlined"
-            label={`Bestand: ${supplierArticle.stock ?? 0}`}
-            sx={{ height: 19, fontSize: '0.66rem', color: 'text.secondary' }}
-          />
-
-          {/* Packaging Unit (PU) */}
-          {supplierArticle.pu != null && (
-            <Chip
-              size="small"
-              variant="outlined"
-              label={`VPE: ${supplierArticle.pu}`}
-              sx={{ height: 19, fontSize: '0.66rem', color: 'text.secondary' }}
-            />
-          )}
-
           {/* Stored Purchase Price (Netto) */}
           {priceNet != null && (
             <Typography
@@ -225,6 +236,21 @@ class ManifestFormLine extends PureComponent {
               {taxRate != null ? ` (${taxRate}% MwSt)` : ''}
             </Typography>
           )}
+
+          {/* Remove supplier-article connection */}
+          {this.props.onRemoveSupplierArticle && supplierArticle.id != null && (
+              <span style={{ marginLeft: priceNet != null ? 0 : 'auto' }}>
+                <IconButton
+                  size="small"
+                  color="error"
+                  aria-label="Lieferanten-Verknüpfung entfernen"
+                  disabled={this.props.saving || this.props.supplierArticleBusy}
+                  onClick={this.handleRemoveSupplierArticle}
+                >
+                  <LinkOffOutlinedIcon fontSize="small" />
+                </IconButton>
+              </span>
+          )}
         </Box>
       );
     }
@@ -258,6 +284,28 @@ class ManifestFormLine extends PureComponent {
               Artikel anlegen
             </Button>
           )}
+          {this.props.onSearchArticle && (
+            <Button
+              size="small"
+              variant="text"
+              startIcon={<SearchIcon sx={{ fontSize: 14 }} />}
+              onClick={this.handleSearchArticle}
+              sx={{
+                fontSize: '0.7rem',
+                fontWeight: 600,
+                textTransform: 'none',
+                minWidth: 'auto',
+                py: 0.25,
+                px: 1,
+                color: 'primary.main',
+                '&:hover': {
+                  bgcolor: 'primary.50',
+                },
+              }}
+            >
+              Artikel suchen
+            </Button>
+          )}
         </Box>
       );
     }
@@ -298,13 +346,13 @@ class ManifestFormLine extends PureComponent {
         </TableRow>
 
         {/* Row 2: Matched Supplier Article Details */}
-        <TableRow sx={{ '& > td': { pt: 0, pb: 0.75, borderBottom: '1px solid', borderColor: 'divider' } }}>
+        <TableRow sx={{ '& > td': { pt: 0, pb: 0.75, borderBottom: 'none' } }}>
           <TableCell
             colSpan={columns.length + 1}
             sx={{
               py: 0.4,
               px: 2,
-              bgcolor: 'rgba(248, 250, 252, 0.75)',
+              bgcolor: 'transparent',
             }}
           >
             {this.renderSecondLine()}

src/components/manifest/ManifestHeader.jsx

@@ -134,7 +134,7 @@ class ManifestHeader extends PureComponent {
           ) : null}
           {onPdfUpload ? (
             <FileDropzone
-              accept="application/pdf,.pdf"
+              accept="application/pdf,.pdf,text/plain,.txt,text/csv,.csv"
               disabled={saving || pdfUploading}
               onFileDrop={onPdfUpload}
               sx={{
@@ -150,6 +150,7 @@ class ManifestHeader extends PureComponent {
                   startIcon={pdfUploading ? <CircularProgress size={16} color="inherit" /> : <UploadFileIcon />}
                   disabled={saving || pdfUploading}
                   onClick={this.handleUploadClick}
+                  title="PDF, TXT oder CSV hochladen"
                   sx={{
                     whiteSpace: 'nowrap',
                     height: 40,
@@ -164,8 +165,8 @@ class ManifestHeader extends PureComponent {
                   {pdfUploading
                     ? 'Wird analysiert…'
                     : isDragging
-                    ? 'PDF hier ablegen'
+                    ? 'Datei hier ablegen'
-                    : 'PDF hochladen'}
+                    : 'Datei hochladen'}
                 </Button>
               )}
             </FileDropzone>
@@ -182,7 +183,7 @@ class ManifestHeader extends PureComponent {
           <input
             ref={this.fileInputRef}
             type="file"
-            accept="application/pdf,.pdf"
+            accept="application/pdf,.pdf,text/plain,.txt,text/csv,.csv"
             style={{ display: 'none' }}
             onChange={this.handleFileChange}
           />

src/components/manifest/ManifestLines.jsx

@@ -30,6 +30,9 @@ class ManifestLines extends PureComponent {
       loadingLineKeys = {},
       onSkuBlur,
       onCreateArticle,
+      onSearchArticle,
+      onRemoveSupplierArticle,
+      busySupplierArticleLineKeys = {},
     } = this.props;
 
     return (
@@ -38,7 +41,7 @@ class ManifestLines extends PureComponent {
           <TableContainer>
             <Table size="small" stickyHeader>
               <TableHead>
-                <TableRow>
+                <TableRow sx={{ '& th': { borderBottom: 'none', fontWeight: 700 } }}>
                   {columns.map((col) => (
                     <TableCell
                       key={col.id}
@@ -47,12 +50,13 @@ class ManifestLines extends PureComponent {
                         width: col.width,
                         whiteSpace: 'nowrap',
                         bgcolor: linesColor,
+                        fontWeight: 700,
                       }}
                     >
                       {col.label}
                     </TableCell>
                   ))}
-                  <TableCell padding="checkbox" sx={{ bgcolor: linesColor }} />
+                  <TableCell padding="checkbox" sx={{ bgcolor: linesColor, borderBottom: 'none' }} />
                 </TableRow>
               </TableHead>
               <TableBody>
@@ -74,10 +78,13 @@ class ManifestLines extends PureComponent {
                       saving={saving}
                       supplierArticle={matched}
                       loading={Boolean(isLineLoading)}
+                      supplierArticleBusy={Boolean(busySupplierArticleLineKeys[lineKey])}
                       onChange={onLineChange}
                       onRemove={onRemoveLine}
                       onSkuBlur={onSkuBlur}
                       onCreateArticle={onCreateArticle}
+                      onSearchArticle={onSearchArticle}
+                      onRemoveSupplierArticle={onRemoveSupplierArticle}
                     />
                   );
                 })}

src/components/manifest/ManifestPdfDialog.jsx

@@ -15,6 +15,7 @@ import CloseIcon from '@mui/icons-material/Close';
 import CheckCircleIcon from '@mui/icons-material/CheckCircle';
 import ErrorOutlinedIcon from '@mui/icons-material/ErrorOutlined';
 import PictureAsPdfIcon from '@mui/icons-material/PictureAsPdf';
+import TextSnippetOutlinedIcon from '@mui/icons-material/TextSnippetOutlined';
 import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
 import ExpandLessIcon from '@mui/icons-material/ExpandLess';
 
@@ -91,16 +92,30 @@ function EventLog({ messages, streaming }) {
   );
 }
 
-export default function ManifestPdfDialog({ open, filename, data, onClose }) {
+export default function ManifestPdfDialog({
+  open,
+  filename,
+  data,
+  unmatchedSupplierName,
+  onCreateSupplier,
+  onClose,
+  onAbort,
+}) {
   if (!open) return null;
 
-  const { streaming = false, messages = [], result = null, error = null } = data ?? {};
+
+  const { streaming = false, messages = [], result = null, error = null, aborted = false } = data ?? {};
   const hasResult = Boolean(result);
 
+  const isTextDoc =
+    filename?.toLowerCase().endsWith('.txt') || filename?.toLowerCase().endsWith('.csv');
+
+  const handleAbortOrClose = streaming ? (onAbort || onClose) : onClose;
+
   return (
     <Dialog
       open={open}
-      onClose={streaming ? undefined : onClose}
+      onClose={handleAbortOrClose}
       maxWidth="sm"
       fullWidth
       aria-labelledby="pdf-dialog-title"
@@ -117,16 +132,26 @@ export default function ManifestPdfDialog({ open, filename, data, onClose }) {
           borderColor: 'divider',
         }}
       >
-        {error ? (
+        {aborted ? (
+          <ErrorOutlinedIcon color="warning" />
+        ) : error ? (
           <ErrorOutlinedIcon color="error" />
         ) : streaming ? (
           <CircularProgress size={22} />
+        ) : isTextDoc ? (
+          <TextSnippetOutlinedIcon color="action" />
         ) : (
           <PictureAsPdfIcon color="action" />
         )}
         <Box sx={{ flex: 1 }}>
           <Typography variant="subtitle1" component="div" fontWeight={600}>
-            {streaming ? 'PDF wird analysiert…' : error ? 'PDF-Analyse fehlgeschlagen' : 'PDF-Analyse abgeschlossen'}
+            {streaming
+              ? (isTextDoc ? 'Dokument wird analysiert…' : 'PDF wird analysiert…')
+              : aborted
+              ? 'Analyse abgebrochen'
+              : error
+              ? 'Analyse fehlgeschlagen'
+              : (isTextDoc ? 'Dokument-Analyse abgeschlossen' : 'PDF-Analyse abgeschlossen')}
           </Typography>
           {filename ? (
             <Typography variant="caption" color="text.secondary">
@@ -136,9 +161,8 @@ export default function ManifestPdfDialog({ open, filename, data, onClose }) {
         </Box>
         <IconButton
           aria-label="close"
-          onClick={onClose}
+          onClick={handleAbortOrClose}
           size="small"
-          disabled={streaming}
           sx={{ color: (theme) => theme.palette.grey[500] }}
         >
           <CloseIcon fontSize="small" />
@@ -146,9 +170,9 @@ export default function ManifestPdfDialog({ open, filename, data, onClose }) {
       </DialogTitle>
 
       <DialogContent dividers sx={{ p: 2 }}>
-        {/* Error */}
+        {/* Error or Aborted Alert */}
         {error && (
-          <Alert severity="error" icon={<ErrorOutlinedIcon />} sx={{ mb: 2 }}>
+          <Alert severity={aborted ? 'warning' : 'error'} icon={aborted ? undefined : <ErrorOutlinedIcon />} sx={{ mb: 2 }}>
             <Typography variant="body2" fontWeight={600}>{error}</Typography>
           </Alert>
         )}
@@ -157,18 +181,69 @@ export default function ManifestPdfDialog({ open, filename, data, onClose }) {
         <EventLog messages={messages} streaming={streaming} />
 
         {/* Success notification */}
-        {hasResult && !streaming && !error && (
+        {hasResult && !streaming && !error && !aborted && (
           <Alert severity="success" sx={{ mt: 2 }}>
             Daten erfolgreich in das Formular übernommen.
           </Alert>
         )}
+
+        {/* Unmatched supplier alert */}
+        {hasResult && !streaming && !error && !aborted && unmatchedSupplierName && (
+          <Alert
+            severity="warning"
+            sx={{ mt: 1.5, alignItems: 'center' }}
+            action={
+              onCreateSupplier ? (
+                <Button
+                  color="inherit"
+                  size="small"
+                  variant="outlined"
+                  onClick={() => onCreateSupplier(unmatchedSupplierName)}
+                >
+                  Lieferant anlegen
+                </Button>
+              ) : null
+            }
+          >
+            Lieferant „{unmatchedSupplierName}“ wurde im Dokument erkannt, existiert aber noch nicht in den Stammdaten.
+          </Alert>
+        )}
       </DialogContent>
 
       <DialogActions sx={{ p: 1.5, px: 2 }}>
-        <Button onClick={onClose} variant="contained" size="small" disabled={streaming}>
+        {streaming ? (
-          Schließen
+          <Button
-        </Button>
+            onClick={onAbort || onClose}
+            variant="outlined"
+            color="error"
+            size="small"
+            startIcon={<CloseIcon />}
+          >
+            Abbrechen
+          </Button>
+        ) : (
+          <>
+            {unmatchedSupplierName && onCreateSupplier ? (
+              <Button
+                onClick={() => onCreateSupplier(unmatchedSupplierName)}
+                variant="contained"
+                color="primary"
+                size="small"
+              >
+                Lieferant „{unmatchedSupplierName}“ anlegen
+              </Button>
+            ) : null}
+            <Button
+              onClick={onClose}
+              variant={unmatchedSupplierName && onCreateSupplier ? 'outlined' : 'contained'}
+              size="small"
+            >
+              Schließen
+            </Button>
+          </>
+        )}
       </DialogActions>
+
     </Dialog>
   );
 }

src/components/manifest/TextEditorDialog.jsx

@@ -1,6 +1,7 @@
 import { PureComponent } from 'react';
 import Box from '@mui/material/Box';
 import Button from '@mui/material/Button';
+import CircularProgress from '@mui/material/CircularProgress';
 import Dialog from '@mui/material/Dialog';
 import DialogActions from '@mui/material/DialogActions';
 import DialogContent from '@mui/material/DialogContent';
@@ -12,10 +13,15 @@ import Chip from '@mui/material/Chip';
 import CloseIcon from '@mui/icons-material/Close';
 import TextSnippetOutlinedIcon from '@mui/icons-material/TextSnippetOutlined';
 import ContentCopyIcon from '@mui/icons-material/ContentCopy';
+import DownloadOutlinedIcon from '@mui/icons-material/DownloadOutlined';
 import SaveOutlinedIcon from '@mui/icons-material/SaveOutlined';
 import { enqueueSnackbar } from 'notistack';
+import { StorageManagerContext } from '../../api/storageManagerContext';
+import { delivery as deliveryApi } from '../../api';
 
 export class TextEditorDialog extends PureComponent {
+  static contextType = StorageManagerContext;
+
   constructor(props) {
     super(props);
     this.state = {
@@ -26,6 +32,7 @@ export class TextEditorDialog extends PureComponent {
     this.handleChange = this.handleChange.bind(this);
     this.handleSave = this.handleSave.bind(this);
     this.handleCopy = this.handleCopy.bind(this);
+    this.handleDownload = this.handleDownload.bind(this);
   }
 
   componentDidMount() {
@@ -34,12 +41,16 @@ export class TextEditorDialog extends PureComponent {
 
   componentDidUpdate(prevProps) {
     if (this.props.attachment !== prevProps.attachment || (this.props.open && !prevProps.open)) {
-      this.loadContent();
+      if (this.props.open) {
+        this.loadContent();
+      } else {
+        this.setState({ content: '', initialContent: '', loading: false });
+      }
     }
   }
 
   async loadContent() {
-    const { attachment, open } = this.props;
+    const { attachment, open, docId, onContentLoad } = this.props;
     if (!open || !attachment) return;
 
     if (typeof attachment.text === 'string') {
@@ -51,7 +62,10 @@ export class TextEditorDialog extends PureComponent {
       return;
     }
 
-    if (attachment.file instanceof Blob || attachment.file instanceof File) {
+    if (
+      (attachment.file instanceof Blob || attachment.file instanceof File) &&
+      attachment.file.size > 0
+    ) {
       this.setState({ loading: true });
       try {
         const text = await attachment.file.text();
@@ -60,11 +74,44 @@ export class TextEditorDialog extends PureComponent {
           initialContent: text,
           loading: false,
         });
+        return;
       } catch (err) {
         console.error('Fehler beim Lesen der Textdatei:', err);
         this.setState({ loading: false });
       }
     }
+
+    // Attachment has no text and empty file — load from API (GET /delivery/{id}/file/{fileId})
+    const effectiveDocId = docId ?? attachment.manifestId;
+    const fileId = attachment.fileId ?? attachment.id;
+    if (effectiveDocId != null && fileId != null) {
+      this.setState({ loading: true });
+      try {
+        const getFile =
+          this.context?.delivery?.getFile?.bind(this.context.delivery) ||
+          deliveryApi.getFile;
+        const blob = await getFile(effectiveDocId, fileId);
+        const text = await blob.text();
+        this.setState({
+          content: text,
+          initialContent: text,
+          loading: false,
+        });
+        onContentLoad?.(attachment, text, blob);
+        return;
+      } catch (err) {
+        console.error('Fehler beim Laden der Textdatei:', err);
+        enqueueSnackbar('Fehler beim Laden der Datei', { variant: 'error' });
+        this.setState({ loading: false });
+        return;
+      }
+    }
+
+    this.setState({
+      content: '',
+      initialContent: '',
+      loading: false,
+    });
   }
 
   handleChange(e) {
@@ -88,6 +135,22 @@ export class TextEditorDialog extends PureComponent {
     }
   }
 
+  handleDownload() {
+    const { attachment } = this.props;
+    const { content } = this.state;
+    if (!content) return;
+    const filename = attachment?.name || 'Dokument.txt';
+    const blob = new Blob([content], { type: 'text/plain;charset=utf-8;' });
+    const url = URL.createObjectURL(blob);
+    const link = document.createElement('a');
+    link.href = url;
+    link.download = filename;
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+    URL.revokeObjectURL(url);
+  }
+
   render() {
     const { open, onClose, attachment, readOnly = false } = this.props;
     if (!open) return null;
@@ -152,8 +215,24 @@ export class TextEditorDialog extends PureComponent {
             display: 'flex',
             flexDirection: 'column',
             bgcolor: '#fafafa',
+            position: 'relative',
           }}
         >
+          {loading && (
+            <Box
+              sx={{
+                position: 'absolute',
+                inset: 0,
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                bgcolor: 'rgba(250, 250, 250, 0.7)',
+                zIndex: 2,
+              }}
+            >
+              <CircularProgress size={36} />
+            </Box>
+          )}
           <TextField
             multiline
             fullWidth
@@ -216,15 +295,26 @@ export class TextEditorDialog extends PureComponent {
             justifyContent: 'space-between',
           }}
         >
-          <Button
+          <Box sx={{ display: 'flex', gap: 1 }}>
-            size="small"
+            <Button
-            variant="outlined"
+              size="small"
-            startIcon={<ContentCopyIcon />}
+              variant="outlined"
-            onClick={this.handleCopy}
+              startIcon={<ContentCopyIcon />}
-            disabled={loading || !content}
+              onClick={this.handleCopy}
-          >
+              disabled={loading || !content}
-            Kopieren
+            >
-          </Button>
+              Kopieren
+            </Button>
+            <Button
+              size="small"
+              variant="outlined"
+              startIcon={<DownloadOutlinedIcon />}
+              onClick={this.handleDownload}
+              disabled={loading || !content}
+            >
+              Download
+            </Button>
+          </Box>
           <Box sx={{ display: 'flex', gap: 1 }}>
             <Button size="small" onClick={onClose}>
               {readOnly ? 'Schließen' : 'Abbrechen'}

src/components/manifest/index.js

@@ -6,6 +6,7 @@ export { default as ManifestFormLine } from './ManifestFormLine';
 export { default as Attachment } from './Attachment';
 export { default as AttachmentList } from './AttachmentList';
 export { default as TextEditorDialog } from './TextEditorDialog';
+export { default as ArticleSearchDialog } from './ArticleSearchDialog';
 export { withManifestId } from './withManifestId';
 export {
   manifestConfig,

src/components/manifest/manifestConfig.js

@@ -1,3 +1,5 @@
+import supplierAutomat from '../../automats/supplierAutomat';
+
 /** Groups that are not sales customers (filter client-side). */
 export const EXCLUDED_CUSTOMER_GROUP_NAMES = new Set(['Lieferanten', 'POS']);
 
@@ -173,20 +175,6 @@ export async function buildFilesForUpload(attachments = [], { onlyNew = false }
         filePayload.thumbavif = thumbBase64;
       }
 
-      const meta = {};
-      if (attachment.thumbnail) {
-        meta.thumbnail = attachment.thumbnail;
-      }
-      if (attachment.text) {
-        meta.text = attachment.text;
-      }
-      if (attachment.parentPdfId) {
-        meta.parentPdfId = String(attachment.parentPdfId);
-      }
-      if (Object.keys(meta).length > 0) {
-        filePayload.meta = meta;
-      }
-
       files.push(filePayload);
     } catch (err) {
       console.error('Fehler beim Konvertieren von Datei zu Base64:', err);
@@ -268,12 +256,9 @@ export async function restoreAttachmentsFromApi(apiFiles = [], existingAttachmen
       if (apiFile.thumbavif) {
         try {
           if (typeof apiFile.thumbavif === 'string') {
-            if (apiFile.thumbavif.startsWith('data:')) {
+            thumbnail = apiFile.thumbavif.startsWith('data:')
-              thumbnail = apiFile.thumbavif;
+              ? apiFile.thumbavif
-            } else {
+              : `data:image/avif;base64,${apiFile.thumbavif}`;
-              const thumbBlob = base64ToBlob(apiFile.thumbavif, 'image/avif');
-              thumbnail = URL.createObjectURL(thumbBlob);
-            }
           } else if (typeof apiFile.thumbavif === 'object') {
             const rawBytes = apiFile.thumbavif.data || apiFile.thumbavif;
             if (Array.isArray(rawBytes) || rawBytes instanceof Uint8Array) {
@@ -286,24 +271,7 @@ export async function restoreAttachmentsFromApi(apiFiles = [], existingAttachmen
         }
       }
 
-      // 2. Check meta.thumbnail if thumbavif wasn't available
+      // 2. Fallback to existing matching attachment thumbnail
-      if (!thumbnail && apiFile.meta?.thumbnail) {
-        try {
-          const metaThumb = apiFile.meta.thumbnail;
-          if (typeof metaThumb === 'string') {
-            if (metaThumb.startsWith('data:') || metaThumb.startsWith('blob:')) {
-              thumbnail = metaThumb;
-            } else {
-              const thumbBlob = base64ToBlob(metaThumb, 'image/avif');
-              thumbnail = URL.createObjectURL(thumbBlob);
-            }
-          }
-        } catch (metaThumbErr) {
-          console.error('Fehler beim Dekodieren von meta.thumbnail:', metaThumbErr);
-        }
-      }
-
-      // 3. Fallback to existing matching attachment thumbnail
       const matchingExisting =
         existingMap.get(String(apiFile.id)) ||
         existingMap.get(String(apiFile.fileId)) ||
@@ -320,8 +288,8 @@ export async function restoreAttachmentsFromApi(apiFiles = [], existingAttachmen
           ? matchingExisting.file
           : new File([''], placeholderName, { type: placeholderType });
 
-      const text = apiFile.meta?.text || matchingExisting?.text || null;
+      const text = matchingExisting?.text || null;
-      const parentPdfId = apiFile.meta?.parentPdfId || matchingExisting?.parentPdfId || null;
+      const parentPdfId = matchingExisting?.parentPdfId || null;
 
       attachments.push({
         id: apiFile.id,
@@ -373,19 +341,10 @@ export function collectFilesForUpload(attachments = [], { onlyNew = false } = {}
       }
     }
 
-    const meta = {};
-    if (attachment.parentPdfId) {
-      meta.parentPdfId = String(attachment.parentPdfId);
-    }
-    if (attachment.text) {
-      meta.text = String(attachment.text);
-    }
-
     files.push({
       file: fileToUpload,
       name: attachment.name || fileToUpload.name,
       mimetype: attachment.type || fileToUpload.type,
-      meta: Object.keys(meta).length > 0 ? meta : undefined,
     });
   }
   return files;
@@ -429,14 +388,6 @@ export async function buildManifestBody(
     const isUpdate = !requireAtLeastOne;
     const filesToUpload = collectFilesForUpload(form.attachments, { onlyNew: isUpdate });
     if (filesToUpload.length > 0) {
-      const filesMeta = filesToUpload
-        .filter((f) => f.meta)
-        .map((f) => ({ name: f.name, meta: f.meta }));
-
-      if (filesMeta.length > 0) {
-        body.filesMeta = filesMeta;
-      }
-
       const formData = new FormData();
       formData.append('data', JSON.stringify(body));
       for (const item of filesToUpload) {
@@ -475,7 +426,10 @@ export const DELIVERY_LINE_COLUMNS = [
  */
 export async function loadParties(kind, ctx) {
   if (kind === 'delivery') {
-    const list = ctx.suppliers ?? (await ctx.supplierPromise);
+    if (supplierAutomat.state.status === 'ready') {
+      return sortSuppliers(supplierAutomat.state.suppliers);
+    }
+    const list = await supplierAutomat.actions.load();
     return sortSuppliers(list);
   }
   const [entities, groups] = await Promise.all([

src/components/withNavigate.jsx

@@ -1,9 +1,11 @@
-import { useNavigate } from 'react-router-dom';
+import { useLocation, useNavigate } from 'react-router-dom';
 
 export default function withNavigate(Wrapped) {
   function NavigateWrapper(props) {
     const navigate = useNavigate();
-    return <Wrapped {...props} navigate={navigate} />;
+    const location = useLocation();
+    return <Wrapped {...props} navigate={navigate} location={location} />;
   }
   return NavigateWrapper;
 }
+

src/devtools/AutomatInspector.jsx

@@ -0,0 +1,537 @@
+import { PureComponent } from 'react';
+import Badge from '@mui/material/Badge';
+import Box from '@mui/material/Box';
+import ButtonBase from '@mui/material/ButtonBase';
+import Chip from '@mui/material/Chip';
+import Drawer from '@mui/material/Drawer';
+import Fab from '@mui/material/Fab';
+import IconButton from '@mui/material/IconButton';
+import Stack from '@mui/material/Stack';
+import TextField from '@mui/material/TextField';
+import Tooltip from '@mui/material/Tooltip';
+import Typography from '@mui/material/Typography';
+import BugReportIcon from '@mui/icons-material/BugReport';
+import ChevronRightIcon from '@mui/icons-material/ChevronRight';
+import CloseIcon from '@mui/icons-material/Close';
+import ContentCopyIcon from '@mui/icons-material/ContentCopy';
+import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
+import RefreshIcon from '@mui/icons-material/Refresh';
+import UnfoldLessIcon from '@mui/icons-material/UnfoldLess';
+import UnfoldMoreIcon from '@mui/icons-material/UnfoldMore';
+import { enqueueSnackbar } from 'notistack';
+import { notifyError } from '../utils/notify';
+
+/**
+ * Dev-only overlay that lists every Automat registered in the
+ * `window.__AUTOMATS__` registry (react-automat writes named instances there).
+ *
+ * Loaded exclusively through a `import.meta.env.DEV` guarded dynamic import in
+ * `main.jsx`, so the module never reaches the production bundle.
+ */
+
+/** Registry polling interval in ms; lazy automats (`delivery-<id>`) appear over time. */
+const REGISTRY_POLL_MS = 2000;
+
+/** Serialization limits so huge states stay renderable. */
+const MAX_DEPTH = 6;
+const MAX_STRING = 1500;
+const MAX_ITEMS = 50;
+
+/**
+ * Live registry view. Named automats register themselves in the constructor,
+ * so the map may be absent until the first one is created.
+ *
+ * @returns {Map<string, import('react-automat').Automat>} Registered automats.
+ */
+function getRegistry() {
+  const registry = window.__AUTOMATS__;
+  return registry instanceof Map ? registry : new Map();
+}
+
+/**
+ * Quotes a string and truncates oversized values.
+ *
+ * @param {string} text Value to quote.
+ * @returns {string} Quoted, possibly truncated string.
+ */
+function quote(text) {
+  if (text.length <= MAX_STRING) return JSON.stringify(text);
+  const rest = text.length - MAX_STRING;
+  return `${JSON.stringify(text.slice(0, MAX_STRING))} … (+${rest} Zeichen)`;
+}
+
+/**
+ * Renders `entries` as an indented block.
+ *
+ * @param {string} open Opening bracket.
+ * @param {string} close Closing bracket.
+ * @param {Array<string>} entries Already serialized entries.
+ * @param {string} pad Indentation of the enclosing level.
+ * @returns {string} Indented block.
+ */
+function block(open, close, entries, pad) {
+  if (entries.length === 0) return `${open}${close}`;
+  const body = entries.map((entry) => `${pad}  ${entry}`).join(',\n');
+  return `${open}\n${body}\n${pad}${close}`;
+}
+
+/**
+ * Serializes an arbitrary state value for display. Handles functions, blobs,
+ * DOM nodes, maps, sets and circular references, which plain `JSON.stringify`
+ * would drop or throw on.
+ *
+ * @param {*} value Value to serialize.
+ * @param {number} depth Current nesting depth.
+ * @param {WeakSet<object>} ancestors Objects on the current path, for cycle detection.
+ * @param {string} pad Indentation of the current level.
+ * @returns {string} Human-readable representation.
+ */
+function serialize(value, depth, ancestors, pad) {
+  if (value === null) return 'null';
+  if (value === undefined) return 'undefined';
+
+  const type = typeof value;
+  if (type === 'string') return quote(value);
+  if (type === 'number' || type === 'boolean') return String(value);
+  if (type === 'bigint') return `${value}n`;
+  if (type === 'function') return `[Function ${value.name || 'anonym'}]`;
+  if (type === 'symbol') return `[Symbol ${value.description ?? ''}]`;
+  if (type !== 'object') return String(value);
+
+  if (value instanceof Date) return `[Date ${value.toISOString()}]`;
+  if (value instanceof Blob) return `[Blob ${value.size}B ${value.type || 'ohne Typ'}]`;
+  if (value instanceof ArrayBuffer) return `[ArrayBuffer ${value.byteLength}B]`;
+  if (value instanceof Promise) return '[Promise]';
+  if (typeof Node !== 'undefined' && value instanceof Node) return `[Node ${value.nodeName}]`;
+
+  if (ancestors.has(value)) return '[Circular]';
+  if (depth >= MAX_DEPTH) return Array.isArray(value) ? '[Array …]' : '[Object …]';
+
+  ancestors.add(value);
+  try {
+    if (value instanceof Map) {
+      const shown = Array.from(value.entries()).slice(0, MAX_ITEMS);
+      const entries = shown.map(
+        ([k, v]) =>
+          `${serialize(k, depth + 1, ancestors, `${pad}  `)}: ${serialize(v, depth + 1, ancestors, `${pad}  `)}`,
+      );
+      if (value.size > shown.length) entries.push(`${JSON.stringify('…')}: +${value.size - shown.length} weitere`);
+      return block(`Map(${value.size}) {`, '}', entries, pad);
+    }
+
+    if (value instanceof Set) {
+      const shown = Array.from(value.values()).slice(0, MAX_ITEMS);
+      const entries = shown.map((item) => serialize(item, depth + 1, ancestors, `${pad}  `));
+      if (value.size > shown.length) entries.push(`${JSON.stringify('…')}: +${value.size - shown.length} weitere`);
+      return block(`Set(${value.size}) {`, '}', entries, pad);
+    }
+
+    if (Array.isArray(value)) {
+      const shown = value.slice(0, MAX_ITEMS);
+      const entries = shown.map((item) => serialize(item, depth + 1, ancestors, `${pad}  `));
+      if (value.length > shown.length) entries.push(`${JSON.stringify('…')}: +${value.length - shown.length} weitere`);
+      return block('[', ']', entries, pad);
+    }
+
+    const keys = Object.keys(value);
+    const shown = keys.slice(0, MAX_ITEMS);
+    const entries = shown.map(
+      (key) => `${JSON.stringify(key)}: ${serialize(value[key], depth + 1, ancestors, `${pad}  `)}`,
+    );
+    if (keys.length > shown.length) entries.push(`${JSON.stringify('…')}: +${keys.length - shown.length} weitere Schlüssel`);
+
+    const label = value.constructor && value.constructor !== Object ? `${value.constructor.name} ` : '';
+    return block(`${label}{`, '}', entries, pad);
+  } finally {
+    ancestors.delete(value);
+  }
+}
+
+/**
+ * Formats an automat state for the overlay. Serialization failures are surfaced
+ * instead of being swallowed.
+ *
+ * @param {*} value Automat state.
+ * @returns {string} Display text.
+ */
+export function formatState(value) {
+  try {
+    return serialize(value, 0, new WeakSet(), '');
+  } catch (err) {
+    return `[Serialisierung fehlgeschlagen: ${err?.message ?? err}]`;
+  }
+}
+
+/**
+ * Floating dev button plus overlay listing all registered Automats with live
+ * state, readiness flags, subscriber counts and available actions.
+ *
+ * @augments {PureComponent<{}, {open: boolean, names: Array<string>, expanded: Object<string, boolean>, query: string, revision: number}>}
+ */
+class AutomatInspector extends PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      open: false,
+      names: [],
+      expanded: {},
+      query: '',
+      revision: 0,
+    };
+
+    /** @type {Map<string, () => void>} Unsubscribe functions per automat name. */
+    this.unsubs = new Map();
+    this.frame = null;
+
+    this.handleToggle = this.handleToggle.bind(this);
+    this.handleClose = this.handleClose.bind(this);
+    this.handleRefresh = this.handleRefresh.bind(this);
+    this.handleToggleAll = this.handleToggleAll.bind(this);
+    this.handleToggleEntry = this.handleToggleEntry.bind(this);
+    this.handleQueryChange = this.handleQueryChange.bind(this);
+    this.handleCopy = this.handleCopy.bind(this);
+    this.handleKeyDown = this.handleKeyDown.bind(this);
+    this.syncRegistry = this.syncRegistry.bind(this);
+    this.scheduleUpdate = this.scheduleUpdate.bind(this);
+  }
+
+  componentDidMount() {
+    this.syncRegistry();
+    this.registryTimer = window.setInterval(this.syncRegistry, REGISTRY_POLL_MS);
+    window.addEventListener('keydown', this.handleKeyDown);
+  }
+
+  componentWillUnmount() {
+    window.clearInterval(this.registryTimer);
+    window.removeEventListener('keydown', this.handleKeyDown);
+    this.unsubscribeAll();
+    if (this.frame) cancelAnimationFrame(this.frame);
+  }
+
+  /** Mirrors the registry keys into state and keeps subscriptions in sync. */
+  syncRegistry() {
+    const names = Array.from(getRegistry().keys()).sort((a, b) => a.localeCompare(b));
+    const changed =
+      names.length !== this.state.names.length || names.some((name, i) => name !== this.state.names[i]);
+    if (changed) this.setState({ names });
+    if (this.state.open) this.subscribeToAll();
+  }
+
+  /**
+   * Subscribes to every registered automat so the overlay reflects live state.
+   * Note: subscribing also flushes a pending deferred load of a dirty automat.
+   */
+  subscribeToAll() {
+    const registry = getRegistry();
+    for (const [name, automat] of registry) {
+      if (this.unsubs.has(name)) continue;
+      this.unsubs.set(name, automat.subscribe(() => this.scheduleUpdate()));
+    }
+    for (const [name, unsub] of Array.from(this.unsubs)) {
+      if (!registry.has(name)) {
+        unsub();
+        this.unsubs.delete(name);
+      }
+    }
+  }
+
+  unsubscribeAll() {
+    for (const unsub of this.unsubs.values()) unsub();
+    this.unsubs.clear();
+  }
+
+  /** Coalesces automat notifications into one render per animation frame. */
+  scheduleUpdate() {
+    if (this.frame) return;
+    this.frame = requestAnimationFrame(() => {
+      this.frame = null;
+      this.setState((prev) => ({ revision: prev.revision + 1 }));
+    });
+  }
+
+  handleKeyDown(event) {
+    if (!event.altKey || !event.shiftKey) return;
+    if (event.key?.toLowerCase() !== 'a') return;
+    event.preventDefault();
+    this.handleToggle();
+  }
+
+  handleToggle() {
+    const open = !this.state.open;
+    this.setState({ open });
+    if (open) {
+      this.syncRegistry();
+      this.subscribeToAll();
+    } else {
+      this.unsubscribeAll();
+    }
+  }
+
+  handleClose() {
+    this.setState({ open: false });
+    this.unsubscribeAll();
+  }
+
+  handleRefresh() {
+    this.syncRegistry();
+  }
+
+  handleToggleAll() {
+    const { names, expanded } = this.state;
+    const allExpanded = names.length > 0 && names.every((name) => expanded[name]);
+    this.setState({
+      expanded: allExpanded
+        ? {}
+        : Object.fromEntries(names.map((name) => [name, true])),
+    });
+  }
+
+  /**
+   * @param {string} name Automat name.
+   */
+  handleToggleEntry(name) {
+    this.setState((prev) => ({
+      expanded: { ...prev.expanded, [name]: !prev.expanded[name] },
+    }));
+  }
+
+  /**
+   * @param {React.ChangeEvent<HTMLInputElement>} event Change event.
+   */
+  handleQueryChange(event) {
+    this.setState({ query: event.target.value });
+  }
+
+  /**
+   * Copies the current state of one automat as text.
+   *
+   * @param {string} name Automat name.
+   * @returns {Promise<void>}
+   */
+  async handleCopy(name) {
+    const automat = getRegistry().get(name);
+    if (!automat) return;
+    try {
+      if (!navigator.clipboard?.writeText) {
+        throw new Error('Clipboard API nicht verfügbar (sichere Origin erforderlich).');
+      }
+      await navigator.clipboard.writeText(`${name}\n${formatState(automat.state)}`);
+      enqueueSnackbar(`State von "${name}" kopiert`, { variant: 'success' });
+    } catch (err) {
+      notifyError(err);
+    }
+  }
+
+  /**
+   * Renders one automat entry.
+   *
+   * @param {import('react-automat').Automat} automat Automat instance.
+   * @param {boolean} isExpanded Whether the details are visible.
+   * @returns {React.ReactElement} Entry element.
+   */
+  renderEntry(automat, isExpanded) {
+    const name = automat.name;
+    const actionNames = Object.keys(automat.actions ?? {});
+
+    return (
+      <Box
+        key={name}
+        sx={{
+          border: '1px solid',
+          borderColor: 'divider',
+          borderRadius: 1,
+          bgcolor: 'background.paper',
+          overflow: 'hidden',
+        }}
+      >
+        <ButtonBase
+          component="div"
+          onClick={() => this.handleToggleEntry(name)}
+          sx={{
+            width: '100%',
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'flex-start',
+            gap: 1,
+            px: 1,
+            py: 0.75,
+            textAlign: 'left',
+          }}
+        >
+          {isExpanded ? <ExpandMoreIcon fontSize="small" /> : <ChevronRightIcon fontSize="small" />}
+          <Typography
+            variant="body2"
+            noWrap
+            sx={{ fontFamily: 'monospace', fontWeight: 600, flexGrow: 1, minWidth: 0 }}
+          >
+            {name}
+          </Typography>
+          <Chip size="small" variant="outlined" label={`subs ${automat.subscriberCount}`} />
+          <Chip
+            size="small"
+            color={automat.isReady ? 'success' : 'default'}
+            variant={automat.isReady ? 'filled' : 'outlined'}
+            label={automat.isReady ? 'ready' : 'unready'}
+          />
+          {automat.isDirty ? <Chip size="small" color="warning" label="dirty" /> : null}
+        </ButtonBase>
+
+        {isExpanded ? (
+          <Box sx={{ borderTop: '1px solid', borderColor: 'divider', px: 1.25, py: 1 }}>
+            <Stack direction="row" spacing={0.5} useFlexGap flexWrap="wrap" sx={{ mb: 1 }}>
+              {automat.url ? <Chip size="small" variant="outlined" label={`url: ${automat.url}`} /> : null}
+              {automat.persist ? <Chip size="small" variant="outlined" label="persist" /> : null}
+              {automat.error ? (
+                <Chip size="small" color="error" label={`error: ${automat.error?.message ?? automat.error}`} />
+              ) : null}
+            </Stack>
+
+            <Stack direction="row" alignItems="center" spacing={0.5} sx={{ mb: 0.5 }}>
+              <Typography variant="caption" color="text.secondary" sx={{ flexGrow: 1 }}>
+                Aktionen ({actionNames.length})
+              </Typography>
+              <Tooltip title="State als Text kopieren">
+                <IconButton size="small" onClick={() => this.handleCopy(name)}>
+                  <ContentCopyIcon fontSize="small" />
+                </IconButton>
+              </Tooltip>
+            </Stack>
+            <Stack direction="row" spacing={0.5} useFlexGap flexWrap="wrap" sx={{ mb: 1 }}>
+              {actionNames.length === 0 ? (
+                <Typography variant="caption" color="text.secondary">
+                  keine
+                </Typography>
+              ) : (
+                actionNames.map((action) => <Chip key={action} size="small" label={action} />)
+              )}
+            </Stack>
+
+            <Typography variant="caption" color="text.secondary">
+              State
+            </Typography>
+            <Box
+              component="pre"
+              sx={{
+                m: 0,
+                mt: 0.5,
+                p: 1,
+                borderRadius: 1,
+                bgcolor: 'action.hover',
+                fontFamily: 'monospace',
+                fontSize: 11,
+                lineHeight: 1.5,
+                whiteSpace: 'pre-wrap',
+                wordBreak: 'break-word',
+                maxHeight: 320,
+                overflow: 'auto',
+              }}
+            >
+              {formatState(automat.state)}
+            </Box>
+          </Box>
+        ) : null}
+      </Box>
+    );
+  }
+
+  render() {
+    const { open, names, expanded, query } = this.state;
+    const registry = getRegistry();
+    const needle = query.trim().toLowerCase();
+    const entries = names
+      .map((name) => registry.get(name))
+      .filter((automat) => automat && (!needle || automat.name.toLowerCase().includes(needle)));
+    const allExpanded = names.length > 0 && names.every((name) => expanded[name]);
+
+    return (
+      <>
+        <Badge
+          badgeContent={names.length}
+          color="secondary"
+          overlap="circular"
+          invisible={names.length === 0}
+          sx={{ position: 'fixed', right: 16, bottom: 16, zIndex: (theme) => theme.zIndex.modal + 1 }}
+        >
+          <Tooltip title="Automat-Inspector (Alt+Shift+A)">
+            <Fab
+              size="small"
+              color="primary"
+              aria-label="Automat-Inspector umschalten"
+              aria-pressed={open}
+              onClick={this.handleToggle}
+            >
+              <BugReportIcon fontSize="small" />
+            </Fab>
+          </Tooltip>
+        </Badge>
+
+        <Drawer
+          anchor="right"
+          open={open}
+          onClose={this.handleClose}
+          slotProps={{
+            transition: { timeout: 0 },
+            paper: {
+              sx: {
+                width: { xs: '100%', sm: 560 },
+                maxWidth: '100%',
+                display: 'flex',
+                flexDirection: 'column',
+              },
+            },
+          }}
+        >
+          <Stack
+            direction="row"
+            alignItems="center"
+            spacing={1}
+            sx={{ px: 2, py: 1.25, borderBottom: '1px solid', borderColor: 'divider' }}
+          >
+            <BugReportIcon fontSize="small" color="primary" />
+            <Typography variant="subtitle1" sx={{ fontWeight: 600, flexGrow: 1 }}>
+              Automat-Inspector
+            </Typography>
+            <Chip size="small" label={`${names.length} registriert`} />
+            <Tooltip title="Registry neu einlesen">
+              <IconButton size="small" onClick={this.handleRefresh}>
+                <RefreshIcon fontSize="small" />
+              </IconButton>
+            </Tooltip>
+            <Tooltip title={allExpanded ? 'Alle einklappen' : 'Alle ausklappen'}>
+              <IconButton size="small" onClick={this.handleToggleAll}>
+                {allExpanded ? <UnfoldLessIcon fontSize="small" /> : <UnfoldMoreIcon fontSize="small" />}
+              </IconButton>
+            </Tooltip>
+            <Tooltip title="Schließen">
+              <IconButton size="small" onClick={this.handleClose}>
+                <CloseIcon fontSize="small" />
+              </IconButton>
+            </Tooltip>
+          </Stack>
+
+          <Box sx={{ px: 2, py: 1 }}>
+            <TextField
+              size="small"
+              fullWidth
+              placeholder="Name filtern …"
+              value={query}
+              onChange={this.handleQueryChange}
+            />
+          </Box>
+
+          <Box sx={{ flexGrow: 1, minHeight: 0, overflowY: 'auto', px: 1.5, pb: 2 }}>
+            {entries.length === 0 ? (
+              <Typography variant="body2" color="text.secondary" sx={{ p: 2 }}>
+                {names.length === 0 ? 'Kein Automat registriert.' : 'Kein Automat passt zum Filter.'}
+              </Typography>
+            ) : (
+              <Stack spacing={1}>{entries.map((automat) => this.renderEntry(automat, Boolean(expanded[automat.name])))}</Stack>
+            )}
+          </Box>
+        </Drawer>
+      </>
+    );
+  }
+}
+
+export default AutomatInspector;

src/main.jsx

@@ -1,4 +1,5 @@
 import { createRoot } from 'react-dom/client';
+import { lazy, Suspense } from 'react';
 import CssBaseline from '@mui/material/CssBaseline';
 import { ThemeProvider } from '@mui/material/styles';
 import { Provider } from 'react-redux';
@@ -8,8 +9,15 @@ import { StorageManagerProvider } from './api/storageManagerContext';
 import App from './App';
 import { store } from './store';
 import { getActiveTheme } from './theme';
+import './automats/supplierAutomat';
 import './index.css';
 
+// Dev-only Automat inspector. The `import.meta.env.DEV` branch is statically
+// eliminated in production builds, so this module never ships to users.
+const AutomatInspector = import.meta.env.DEV
+  ? lazy(() => import('./devtools/AutomatInspector'))
+  : null;
+
 async function clearDevServiceWorker() {
   if (!import.meta.env.DEV || !('serviceWorker' in navigator)) return;
   const regs = await navigator.serviceWorker.getRegistrations();
@@ -36,6 +44,11 @@ createRoot(document.getElementById('root')).render(
         <StorageManagerProvider>
           <AuthBootstrap>
             <App />
+            {AutomatInspector ? (
+              <Suspense fallback={null}>
+                <AutomatInspector />
+              </Suspense>
+            ) : null}
           </AuthBootstrap>
         </StorageManagerProvider>
       </SnackbarProvider>

src/nav.js

@@ -1,3 +1,5 @@
+import { PureComponent, createElement } from 'react';
+import Badge from '@mui/material/Badge';
 import Inventory2Icon from '@mui/icons-material/Inventory2';
 import LocalShippingIcon from '@mui/icons-material/LocalShipping';
 import AssignmentIcon from '@mui/icons-material/Assignment';
@@ -13,15 +15,89 @@ import StorefrontIcon from '@mui/icons-material/Storefront';
 import RequestQuoteIcon from '@mui/icons-material/RequestQuote';
 import ShoppingCartIcon from '@mui/icons-material/ShoppingCart';
 import { isKategorienPath } from './pages/artikel/categoryRoute';
+import { deliveryEditorAutomat } from './automats/deliveryEditorAutomat';
+
+class DeliveryNavIcon extends PureComponent {
+  constructor(props) {
+    super(props);
+    const state = deliveryEditorAutomat.state;
+    const isDraft = state.id == null && state.deliveryId == null;
+    this.state = {
+      hasDraft: isDraft && (state.lines?.length || 0) > 0,
+    };
+  }
+
+  componentDidMount() {
+    this.unsub = deliveryEditorAutomat.subscribe(this, (state) => {
+      const isDraft = state.id == null && state.deliveryId == null;
+      return {
+        hasDraft: isDraft && (state.lines?.length || 0) > 0,
+      };
+    });
+  }
+
+  componentWillUnmount() {
+    this.unsub?.();
+  }
+
+  render() {
+    const { hasDraft } = this.state;
+    const { sx, ...rest } = this.props;
+    return createElement(LocalShippingIcon, {
+      ...rest,
+      sx: [
+        ...(Array.isArray(sx) ? sx : sx ? [sx] : []),
+        (theme) => (hasDraft ? { color: theme.nav?.itemActiveAccent || '#2dd4bf' } : null),
+      ],
+    });
+  }
+}
 
 export const NAV_ITEMS = [
   { path: '/artikel', label: 'Artikel', icon: Inventory2Icon },
-  { path: '/lieferung', label: 'Lieferung', icon: LocalShippingIcon },
+  { path: '/lieferung', label: 'Lieferung', icon: DeliveryNavIcon },
   { path: '/auftrag', label: 'Auftrag', icon: AssignmentIcon },
   { path: '/kunde', label: 'Kunde', icon: PeopleIcon },
   { path: '/infos', label: 'Infos', icon: InfoIcon },
 ];
 
+class DeliveryNeuIcon extends PureComponent {
+  constructor(props) {
+    super(props);
+    const state = deliveryEditorAutomat.state;
+    const isDraft = state.id == null && state.deliveryId == null;
+    this.state = {
+      badgeCount: isDraft ? (state.lines?.length || 0) : 0,
+    };
+  }
+
+  componentDidMount() {
+    this.unsub = deliveryEditorAutomat.subscribe(this, (state) => {
+      const isDraft = state.id == null && state.deliveryId == null;
+      return {
+        badgeCount: isDraft ? (state.lines?.length || 0) : 0,
+      };
+    });
+  }
+
+  componentWillUnmount() {
+    this.unsub?.();
+  }
+
+  render() {
+    return createElement(
+      Badge,
+      {
+        badgeContent: this.state.badgeCount,
+        invisible: !this.state.badgeCount,
+        color: 'primary',
+        max: 999,
+      },
+      createElement(AddBoxIcon, this.props)
+    );
+  }
+}
+
 export const SUB_NAV = {
   '/artikel': [
     { segment: '', label: 'Liste', title: 'Artikel', icon: ViewListIcon },
@@ -30,7 +106,7 @@ export const SUB_NAV = {
   ],
   '/lieferung': [
     { segment: '', label: 'Liste', title: 'Lieferungen', icon: ListAltIcon },
-    { segment: 'neu', label: 'Neu', title: 'Neue Lieferung', icon: AddBoxIcon },
+    { segment: 'neu', label: 'Neu', title: 'Neue Lieferung', icon: DeliveryNeuIcon },
     { segment: 'lieferanten', label: 'Lieferanten', icon: StorefrontIcon },
   ],
   '/auftrag': [

src/pages/artikel/index.jsx

@@ -9,8 +9,7 @@ import Paper from '@mui/material/Paper';
 import TextField from '@mui/material/TextField';
 import Typography from '@mui/material/Typography';
 import SearchIcon from '@mui/icons-material/Search';
-import ClearIcon from '@mui/icons-material/Clear';
+import { StorageManagerContext, getStorageManager } from '../../api/storageManagerContext';
-import { StorageManagerContext } from '../../api/storageManagerContext';
 import BackendError from '../../components/BackendError';
 import { formatPrice } from '../../utils/price';
 import {
@@ -30,6 +29,7 @@ import {
 import { preserveSearchFocus } from './searchFocus';
 import { artikelDetailPath } from './articleRoute';
 import withSearchParams from './withSearchParams';
+import { setLastArticleSku } from '../../automats';
 
 const resultRowSx = {
   alignItems: 'center',
@@ -83,6 +83,10 @@ function initialSearchState(searchParams) {
 class ArtikelSearchPage extends Component {
   static contextType = StorageManagerContext;
 
+  get storageManager() {
+    return this.context || getStorageManager();
+  }
+
   state = initialSearchState(this.props.searchParams);
   listSlotRef = { current: null };
   rowMeasureRef = { current: null };
@@ -168,10 +172,11 @@ class ArtikelSearchPage extends Component {
   componentDidMount() {
     document.addEventListener('mousedown', preserveSearchFocus, true);
     window.addEventListener('resize', this.handleWindowResize);
+    setLastArticleSku(null);
 
     // Kick off initial search (empty input = show all products).
     const { input } = this.state;
-    this.context.doSearch({
+    this.storageManager?.doSearch({
       target: input,
       filter: this.props.searchParams.get('filter') || undefined,
       offset: 0,
@@ -220,7 +225,7 @@ class ArtikelSearchPage extends Component {
     const value = event.target.value;
     this.setState({ input: value });
 
-    this.context.doSearch({
+    this.storageManager?.doSearch({
       target: value,
       filter: this.props.searchParams.get('filter') || undefined,
       offset: 0,
@@ -240,7 +245,7 @@ class ArtikelSearchPage extends Component {
 
     // Delegate fetch + debounce to the global StorageManager.
     // The callback pushes results into local component state.
-    this.context.doSearch({
+    this.storageManager?.doSearch({
       target: trimmed,
       filter: filter || undefined,
       offset,

src/pages/artikel/kategorien.jsx

@@ -53,6 +53,7 @@ import {
   enableTerminalCategory,
   disableTerminalCategory,
 } from '../../store/posterminalSlice';
+import { setLastArticleSku } from '../../automats';
 
 const gridSx = {
   display: 'grid',
@@ -72,6 +73,7 @@ class ArtikelKategorienPage extends Component {
   }
 
   componentDidMount() {
+    setLastArticleSku(null);
     this.ensureTreeLoaded();
     this.ensurePosterminalsLoaded();
     this.syncCategoryFromUrl();

src/pages/artikel/lager.jsx

@@ -1,6 +1,12 @@
+import { useEffect } from 'react';
 import Typography from '@mui/material/Typography';
+import { setLastArticleSku } from '../../automats';
 
 export default function ArtikelLagerPage() {
+  useEffect(() => {
+    setLastArticleSku(null);
+  }, []);
+
   return (
     <Typography color="text.secondary">Lager — Inhalt folgt.</Typography>
   );

src/pages/artikel/sku.jsx

@@ -2,6 +2,7 @@ import { Component } from 'react';
 import { StorageManagerContext } from '../../api/storageManagerContext';
 import { ArticleView } from '../../components/article';
 import withSkuRoute from './withSkuRoute';
+import { setLastArticleSku } from '../../automats';
 
 class ArtikelSkuPage extends Component {
   static contextType = StorageManagerContext;
@@ -17,11 +18,13 @@ class ArtikelSkuPage extends Component {
 
   componentDidMount() {
     this.installEscape();
+    setLastArticleSku(this.props.sku);
     if (!this.state.ready) void this.ensureArticle();
   }
 
   componentDidUpdate(prevProps) {
     if (prevProps.sku !== this.props.sku) {
+      setLastArticleSku(this.props.sku);
       const ready =
         this.context.getArticle(this.props.sku) != null &&
         this.context.getCategoryState() != null;

src/pages/lieferung/index.jsx

@@ -1,7 +1,12 @@
 import { PureComponent } from 'react';
 import { ManifestList } from '../../components/manifest';
+import { setLastDeliveryPath } from '../../automats';
 
 class LieferungListePage extends PureComponent {
+  componentDidMount() {
+    setLastDeliveryPath(null);
+  }
+
   render() {
     return <ManifestList kind="delivery" />;
   }

src/pages/lieferung/lieferanten.jsx

@@ -1,5 +1,7 @@
 import { PureComponent } from 'react';
+import Alert from '@mui/material/Alert';
 import Box from '@mui/material/Box';
+
 import Button from '@mui/material/Button';
 import CircularProgress from '@mui/material/CircularProgress';
 import IconButton from '@mui/material/IconButton';
@@ -13,10 +15,13 @@ import { enqueueSnackbar } from 'notistack';
 import BackendError from '../../components/BackendError';
 import SingleLineTextEdit from 'dashgui/SingleLineTextEdit';
 import { PanelTile, PanelTileGrid } from 'dashgui/panels';
-import { StorageManagerContext } from '../../api/storageManagerContext';
+import withNavigate from '../../components/withNavigate';
-import { requireDefined, requireObject } from '../../utils/apiShape';
 import { backendErrorFrom } from '../../utils/backendError';
 import { notifyError } from '../../utils/notify';
+import { setLastDeliveryPath } from '../../automats';
+import supplierAutomat from '../../automats/supplierAutomat';
+import { deliveryDraftAutomat } from '../../automats/deliveryEditorAutomat';
+
 
 function sortSuppliers(suppliers) {
   return [...suppliers].sort((a, b) =>
@@ -28,17 +33,32 @@ function draftsFrom(suppliers) {
   return Object.fromEntries(suppliers.map((row) => [row.id, row.name]));
 }
 
-class LieferungLieferantenPage extends PureComponent {
+function getInitialParams(props) {
-  static contextType = StorageManagerContext;
+  const searchParams = typeof window !== 'undefined' ? new URLSearchParams(window.location.search) : null;
+  const prefill =
+    props.location?.state?.name ??
+    props.location?.state?.newName ??
+    searchParams?.get('name') ??
+    searchParams?.get('newName') ??
+    deliveryDraftAutomat.state.unmatchedSupplierName ??
+    '';
+  const returnTo =
+    props.location?.state?.returnTo ??
+    searchParams?.get('returnTo') ??
+    null;
+  return { prefill: prefill.trim(), returnTo };
+}
 
+class LieferungLieferantenPage extends PureComponent {
   constructor(props) {
     super(props);
+    const { prefill } = getInitialParams(props);
     this.state = {
       status: 'loading',
       error: null,
       suppliers: [],
       drafts: {},
-      newName: '',
+      newName: prefill,
       busyKey: null,
     };
     this._cancelled = false;
@@ -48,10 +68,27 @@ class LieferungLieferantenPage extends PureComponent {
   }
 
   componentDidMount() {
+    const { returnTo, prefill } = getInitialParams(this.props);
+    if (!returnTo) {
+      setLastDeliveryPath(null);
+    }
+    if (prefill && !this.state.newName) {
+      this.setState({ newName: prefill });
+    }
     this._cancelled = false;
     void this.loadSuppliers();
   }
 
+  componentDidUpdate(prevProps) {
+    if (prevProps.location !== this.props.location) {
+      const { prefill } = getInitialParams(this.props);
+      if (prefill && prefill !== this.state.newName) {
+        this.setState({ newName: prefill });
+      }
+    }
+  }
+
+
   componentWillUnmount() {
     this._cancelled = true;
   }
@@ -69,7 +106,7 @@ class LieferungLieferantenPage extends PureComponent {
   async loadSuppliers() {
     this.setState({ status: 'loading', error: null });
     try {
-      const list = this.context.suppliers ?? (await this.context.supplierPromise);
+      const list = await supplierAutomat.actions.load();
       if (this._cancelled) return;
       this.applySuppliers(list);
     } catch (err) {
@@ -83,7 +120,7 @@ class LieferungLieferantenPage extends PureComponent {
   }
 
   async refreshFromServer() {
-    const list = await this.context.updateSupplier();
+    const list = await supplierAutomat.actions.reload();
     if (this._cancelled) return;
     this.applySuppliers(list);
   }
@@ -92,16 +129,24 @@ class LieferungLieferantenPage extends PureComponent {
     const name = this.state.newName.trim();
     if (!name || this.state.busyKey != null) return;
 
+    const { returnTo } = getInitialParams(this.props);
+
     this.setState({ busyKey: 'new' });
     try {
-      const data = await this.context.supplier.create({ name });
+      const newSupplier = await supplierAutomat.actions.create({ name });
-      requireObject(data, 'POST /api/supplier');
+
-      requireObject(data.supplier, 'supplier');
+      // Assign the new supplier to the active delivery draft & clear unmatched name
-      requireDefined(data.supplier.id, 'supplier.id');
+      deliveryDraftAutomat.actions.setDeliveryEntity(newSupplier.id);
+      deliveryDraftAutomat.actions.setUnmatchedSupplierName(null);
+
       await this.refreshFromServer();
       if (this._cancelled) return;
       this.setState({ newName: '', busyKey: null });
-      enqueueSnackbar('Lieferant angelegt.', { variant: 'success' });
+      enqueueSnackbar(`Lieferant „${newSupplier.name || name}“ angelegt.`, { variant: 'success' });
+
+      if (returnTo && this.props.navigate) {
+        this.props.navigate(returnTo);
+      }
     } catch (err) {
       if (this._cancelled) return;
       notifyError(err);
@@ -109,6 +154,7 @@ class LieferungLieferantenPage extends PureComponent {
     }
   }
 
+
   async handleRename(supplier) {
     const draft = String(this.state.drafts[supplier.id] ?? '').trim();
     if (!draft) {
@@ -121,10 +167,7 @@ class LieferungLieferantenPage extends PureComponent {
 
     this.setState({ busyKey: supplier.id });
     try {
-      const data = await this.context.supplier.update(supplier.id, { name: draft });
+      await supplierAutomat.actions.update(supplier.id, { name: draft });
-      requireObject(data, 'PATCH /api/supplier/:id');
-      requireObject(data.supplier, 'supplier');
-      requireDefined(data.supplier.id, 'supplier.id');
       await this.refreshFromServer();
       if (this._cancelled) return;
       this.setState({ busyKey: null });
@@ -147,7 +190,7 @@ class LieferungLieferantenPage extends PureComponent {
 
     this.setState({ busyKey: supplier.id });
     try {
-      await this.context.supplier.delete(supplier.id);
+      await supplierAutomat.actions.remove(supplier.id);
       await this.refreshFromServer();
       if (this._cancelled) return;
       this.setState({ busyKey: null });
@@ -163,6 +206,8 @@ class LieferungLieferantenPage extends PureComponent {
     const { status, error, suppliers, drafts, newName, busyKey } = this.state;
     const busy = busyKey != null;
 
+    const { returnTo } = getInitialParams(this.props);
+
     if (status === 'loading') {
       return (
         <Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}>
@@ -181,6 +226,26 @@ class LieferungLieferantenPage extends PureComponent {
       <PanelTileGrid>
         <PanelTile wide={2} minHeight={280} color="#bbf7d0">
           <Stack spacing={2}>
+            {returnTo ? (
+              <Alert
+                severity="info"
+                sx={{ py: 0.5, alignItems: 'center' }}
+                action={
+                  <Button
+                    color="inherit"
+                    size="small"
+                    onClick={() => this.props.navigate?.(returnTo)}
+                  >
+                    Zurück zur Lieferung
+                  </Button>
+                }
+              >
+                {newName
+                  ? `Lieferantenname „${newName}“ aus Dokument übernommen.`
+                  : 'Neuen Lieferanten für die Lieferung anlegen.'}
+              </Alert>
+            ) : null}
+
             <Typography variant="body2" color="text.secondary">
               Lieferanten der ausgewählten Firma.
             </Typography>
@@ -269,4 +334,5 @@ class LieferungLieferantenPage extends PureComponent {
   }
 }
 
-export default LieferungLieferantenPage;
+export default withNavigate(LieferungLieferantenPage);
+

src/pages/lieferung/neu.jsx

@@ -1,7 +1,9 @@
 import { PureComponent } from 'react';
 import Alert from '@mui/material/Alert';
 import Box from '@mui/material/Box';
+import Button from '@mui/material/Button';
 import CircularProgress from '@mui/material/CircularProgress';
+
 import Stack from '@mui/material/Stack';
 import Typography from '@mui/material/Typography';
 import { enqueueSnackbar } from 'notistack';
@@ -19,6 +21,7 @@ import {
   lineFromApi,
   manifestConfig,
   TextEditorDialog,
+  ArticleSearchDialog,
 } from '../../components/manifest';
 import ManifestPdfDialog from '../../components/manifest/ManifestPdfDialog';
 import { loadParties } from '../../components/manifest/manifestConfig';
@@ -28,7 +31,9 @@ import { backendErrorFrom } from '../../utils/backendError';
 import { notifyError } from '../../utils/notify';
 import { generatePdfThumbnail } from '../../utils/pdfThumbnail';
 import { extractPdfText } from '../../utils/pdfText';
-import { deliveryEditorAutomat } from '../../automats/deliveryEditorAutomat';
+import { getDeliveryEditorAutomat } from '../../automats/deliveryEditorAutomat';
+import { setLastDeliveryPath } from '../../automats';
+import { delivery as deliveryApi } from '../../api';
 
 class LieferungNeuPage extends PureComponent {
   static contextType = StorageManagerContext;
@@ -36,9 +41,10 @@ class LieferungNeuPage extends PureComponent {
   constructor(props) {
     super(props);
     this.cfg = manifestConfig('delivery');
+    this.automat = getDeliveryEditorAutomat(props.docId);
     this.state = {
-      ...deliveryEditorAutomat.state,
+      ...this.automat.state,
-      status: 'loadingParties',
+      status: props.docId != null ? 'loading' : 'loadingParties',
       error: null,
       partiesLoading: true,
       saving: false,
@@ -48,11 +54,16 @@ class LieferungNeuPage extends PureComponent {
       pdfFileName: '',
       textEditorOpen: false,
       textEditorAttachment: null,
+      articleSearchDialogOpen: false,
+      articleSearchLine: null,
+      unmatchedSupplierName: null,
     };
     this._cancelled = false;
     this.handleRetry = this.handleRetry.bind(this);
     this.handlePartyChange = this.handlePartyChange.bind(this);
+    this.handleCreateSupplierFromPdf = this.handleCreateSupplierFromPdf.bind(this);
     this.handleDateChange = this.handleDateChange.bind(this);
+
     this.handleNumberChange = this.handleNumberChange.bind(this);
     this.handleExternalNumberChange = this.handleExternalNumberChange.bind(this);
     this.handleLineChange = this.handleLineChange.bind(this);
@@ -63,41 +74,58 @@ class LieferungNeuPage extends PureComponent {
     this.handlePdfRescan = this.handlePdfRescan.bind(this);
     this.handlePdfDelete = this.handlePdfDelete.bind(this);
     this.handleClosePdfDialog = this.handleClosePdfDialog.bind(this);
+    this.handleAbortParse = this.handleAbortParse.bind(this);
     this.handleAttachmentClick = this.handleAttachmentClick.bind(this);
     this.handleCloseTextEditor = this.handleCloseTextEditor.bind(this);
     this.handleSaveTextEditor = this.handleSaveTextEditor.bind(this);
+    this.handleTextEditorContentLoaded = this.handleTextEditorContentLoaded.bind(this);
+    this.ensureAttachmentFile = this.ensureAttachmentFile.bind(this);
     this.handleSkuBlur = this.handleSkuBlur.bind(this);
     this.handleCreateArticleForLine = this.handleCreateArticleForLine.bind(this);
+    this.handleOpenArticleSearchForLine = this.handleOpenArticleSearchForLine.bind(this);
+    this.handleCloseArticleSearch = this.handleCloseArticleSearch.bind(this);
+    this.handleAssignArticleForLine = this.handleAssignArticleForLine.bind(this);
+    this.handleRemoveSupplierArticle = this.handleRemoveSupplierArticle.bind(this);
   }
 
   componentDidMount() {
-    this.unsubscribe = deliveryEditorAutomat.subscribe(this);
+    this.unsubscribe = this.automat.subscribe(this);
     this._cancelled = false;
     if (this.props.docId != null) {
+      setLastDeliveryPath(`/lieferung/${this.props.docId}`);
       void this.loadEdit();
     } else {
+      setLastDeliveryPath('/lieferung/neu');
       void this.loadPartiesOnly();
       if (this.props.initialDelivery) {
-        deliveryEditorAutomat.actions.setDelivery(this.props.initialDelivery);
+        this.automat.actions.setDelivery(this.props.initialDelivery);
-      } else {
-        deliveryEditorAutomat.actions.resetDelivery();
       }
     }
   }
 
   componentDidUpdate(prevProps) {
     if (prevProps.docId !== this.props.docId) {
+      this.unsubscribe?.();
+      this.automat = getDeliveryEditorAutomat(this.props.docId);
+      this.unsubscribe = this.automat.subscribe(this);
+      this.setState({ ...this.automat.state });
       if (this.props.docId != null) {
         void this.loadEdit();
       } else {
         void this.loadPartiesOnly();
-        deliveryEditorAutomat.actions.resetDelivery();
+        if (this.props.initialDelivery) {
+          this.automat.actions.setDelivery(this.props.initialDelivery);
+        }
       }
     }
   }
 
   componentWillUnmount() {
     this._cancelled = true;
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
     if (this._skuDebounceTimers) {
       Object.values(this._skuDebounceTimers).forEach(clearTimeout);
       this._skuDebounceTimers = null;
@@ -110,7 +138,7 @@ class LieferungNeuPage extends PureComponent {
     try {
       const parties = await loadParties('delivery', this.context);
       if (this._cancelled) return;
-      deliveryEditorAutomat.actions.setDeliveryEntities(parties);
+      this.automat.actions.setDeliveryEntities(parties);
       this.setState({
         status: 'ready',
         partiesLoading: false,
@@ -145,7 +173,7 @@ class LieferungNeuPage extends PureComponent {
       ]);
       if (this._cancelled) return;
 
-      deliveryEditorAutomat.actions.setDeliveryEntities(parties);
+      this.automat.actions.setDeliveryEntities(parties);
 
       requireObject(docRes, cfg.getPathLabel);
       requireObject(docRes[cfg.docField], cfg.docField);
@@ -154,17 +182,17 @@ class LieferungNeuPage extends PureComponent {
       const lines =
         apiLines.length > 0 ? apiLines.map(lineFromApi) : [emptyLine()];
 
-      deliveryEditorAutomat.actions.setId(doc.id ?? docId);
+      this.automat.actions.setId(doc.id ?? docId);
-      deliveryEditorAutomat.actions.setDate(dateInputValue(doc.date));
+      this.automat.actions.setDate(dateInputValue(doc.date));
-      if (doc[cfg.partyField] != null) deliveryEditorAutomat.actions.setDeliveryEntity(doc[cfg.partyField]);
+      if (doc[cfg.partyField] != null) this.automat.actions.setDeliveryEntity(doc[cfg.partyField]);
-      if (doc.number != null) deliveryEditorAutomat.actions.setNumber(doc.number);
+      if (doc.number != null) this.automat.actions.setNumber(doc.number);
-      if (doc.externalNumber != null) deliveryEditorAutomat.actions.setExternalNumber(String(doc.externalNumber));
+      if (doc.externalNumber != null) this.automat.actions.setExternalNumber(String(doc.externalNumber));
-      deliveryEditorAutomat.actions.setLineitems(lines);
+      this.automat.actions.setLineitems(lines);
 
       // Restore attachments with thumbnails
       const apiFiles = doc.files ?? [];
       const attachments = await restoreAttachmentsFromApi(apiFiles, this.state.attachments);
-      deliveryEditorAutomat.actions.setAttachments(attachments);
+      this.automat.actions.setAttachments(attachments);
 
       this.setState({
         status: 'ready',
@@ -186,19 +214,31 @@ class LieferungNeuPage extends PureComponent {
   }
 
   handlePartyChange(partyId) {
-    deliveryEditorAutomat.actions.setDeliveryEntity(partyId);
+    this.automat.actions.setDeliveryEntity(partyId);
+    if (partyId != null) {
+      this.setState({ unmatchedSupplierName: null });
+      this.automat.actions.setUnmatchedSupplierName(null);
+    }
   }
 
+  handleCreateSupplierFromPdf(supplierName) {
+    const name = (supplierName ?? this.state.unmatchedSupplierName ?? '').trim();
+    this.handleClosePdfDialog();
+    const target = `/lieferung/lieferanten?name=${encodeURIComponent(name)}&returnTo=/lieferung/neu`;
+    this.props.navigate(target, { state: { name, returnTo: '/lieferung/neu' } });
+  }
+
+
   handleDateChange(date) {
-    deliveryEditorAutomat.actions.setDate(date);
+    this.automat.actions.setDate(date);
   }
 
   handleNumberChange(number) {
-    deliveryEditorAutomat.actions.setNumber(number);
+    this.automat.actions.setNumber(number);
   }
 
   handleExternalNumberChange(externalNumber) {
-    deliveryEditorAutomat.actions.setExternalNumber(externalNumber);
+    this.automat.actions.setExternalNumber(externalNumber);
   }
 
   findLineIndex(key) {
@@ -214,7 +254,7 @@ class LieferungNeuPage extends PureComponent {
 
   handleLineChange(key, field, value) {
     const index = this.findLineIndex(key);
-    deliveryEditorAutomat.actions.updateLineitem({
+    this.automat.actions.updateLineitem({
       index,
       key,
       [field]: value,
@@ -229,7 +269,7 @@ class LieferungNeuPage extends PureComponent {
       }
       this._skuDebounceTimers[key] = setTimeout(() => {
         if (this._skuDebounceTimers) delete this._skuDebounceTimers[key];
-        deliveryEditorAutomat.actions.fetchSupplierArticleForSku(value, key);
+        this.automat.actions.fetchSupplierArticleForSku(value, key);
       }, 350);
     }
   }
@@ -239,7 +279,7 @@ class LieferungNeuPage extends PureComponent {
       clearTimeout(this._skuDebounceTimers[key]);
       delete this._skuDebounceTimers[key];
     }
-    deliveryEditorAutomat.actions.fetchSupplierArticleForSku(value, key);
+    this.automat.actions.fetchSupplierArticleForSku(value, key);
   }
 
   async handleCreateArticleForLine(line) {
@@ -294,7 +334,7 @@ class LieferungNeuPage extends PureComponent {
 
       // Keep the supplier SKU in the delivery line, but refresh supplier article data
       // using the supplier SKU (not the internal SKU)
-      deliveryEditorAutomat.actions.fetchSupplierArticleForSku(supplierSku, line.key);
+      this.automat.actions.fetchSupplierArticleForSku(supplierSku, line.key);
 
       enqueueSnackbar(`Artikel "${internalSku}" erstellt und Lieferanten-Artikel "${supplierSku}" zugeordnet.`, { variant: 'success' });
     } catch (err) {
@@ -303,70 +343,187 @@ class LieferungNeuPage extends PureComponent {
     }
   }
 
+  handleOpenArticleSearchForLine(line) {
+    this.setState({
+      articleSearchDialogOpen: true,
+      articleSearchLine: line,
+    });
+  }
+
+  handleCloseArticleSearch() {
+    this.setState({
+      articleSearchDialogOpen: false,
+      articleSearchLine: null,
+    });
+  }
+
+  async handleAssignArticleForLine(article, line) {
+    const { partyId } = this.state;
+    if (!partyId) {
+      enqueueSnackbar('Bitte wählen Sie zuerst einen Lieferanten aus.', { variant: 'warning' });
+      return;
+    }
+
+    const internalSku = article?.sku;
+    if (!internalSku) {
+      enqueueSnackbar('Artikel hat keine SKU.', { variant: 'error' });
+      return;
+    }
+
+    const supplierSku = line?.sku;
+
+    try {
+      await this.context.article.addSupplier(internalSku, {
+        entityId: partyId,
+        sku: supplierSku || undefined,
+        pu: line?.pu ? Number(line.pu) : undefined,
+        stock: line?.amount ? Number(line.amount) : undefined,
+        netPrice: line?.netprice ? Number(line.netprice) : undefined,
+        taxRate: line?.taxrate ? Number(line.taxrate) : undefined,
+      });
+
+      if (supplierSku) {
+        this.automat.actions.fetchSupplierArticleForSku(supplierSku, line.key);
+      } else {
+        this.automat.actions.fetchSupplierArticles(partyId);
+      }
+
+      enqueueSnackbar(
+        `Lieferant erfolgreich dem Artikel "${internalSku}" zugeordnet.`,
+        { variant: 'success' },
+      );
+
+      this.setState({
+        articleSearchDialogOpen: false,
+        articleSearchLine: null,
+      });
+    } catch (err) {
+      console.error('Fehler beim Zuordnen des Artikels:', err);
+      notifyError(err);
+      throw err;
+    }
+  }
+
+  async handleRemoveSupplierArticle(line, supplierArticle) {
+    const internalSku = supplierArticle?.article?.sku;
+    const assignmentId = supplierArticle?.id;
+    if (!internalSku || assignmentId == null) {
+      enqueueSnackbar('Verknüpfung konnte nicht ermittelt werden.', { variant: 'warning' });
+      return;
+    }
+
+    try {
+      await this.automat.actions.unlinkSupplierArticle(internalSku, assignmentId, line?.key);
+      enqueueSnackbar(
+        `Verknüpfung zu Artikel "${internalSku}" wurde entfernt.`,
+        { variant: 'success' },
+      );
+    } catch (err) {
+      console.error('Fehler beim Lösen der Lieferanten-Verknüpfung:', err);
+      notifyError(err);
+    }
+  }
+
   handleAddLine() {
-    deliveryEditorAutomat.actions.addLineitem();
+    this.automat.actions.addLineitem();
   }
 
   handleRemoveLine(key) {
     const index = this.findLineIndex(key);
-    deliveryEditorAutomat.actions.removeLineitem(index >= 0 ? index : key);
+    this.automat.actions.removeLineitem(index >= 0 ? index : key);
   }
 
   async handlePdfUpload(file) {
     if (!file || this.state.pdfUploading) return;
 
-    // 1. Generate thumbnail for PDF
+    const isPdf =
-    let thumbnail = null;
+      file.type === 'application/pdf' || file.name?.toLowerCase().endsWith('.pdf');
-    try {
+    const isCsv =
-      thumbnail = await generatePdfThumbnail(file);
+      file.type === 'text/csv' || file.name?.toLowerCase().endsWith('.csv');
-    } catch (err) {
-      console.error('Fehler beim Erstellen des PDF-Thumbnails:', err);
-    }
 
-    const pdfId = `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+    if (isPdf) {
-    const pdfAttachment = {
+      // 1. Generate thumbnail for PDF
-      id: pdfId,
+      let thumbnail = null;
-      file,
+      try {
-      name: file.name,
+        thumbnail = await generatePdfThumbnail(file);
-      size: file.size,
+      } catch (err) {
-      type: 'application/pdf',
+        console.error('Fehler beim Erstellen des PDF-Thumbnails:', err);
-      thumbnail,
+      }
-      uploadedAt: new Date().toISOString(),
-    };
-    deliveryEditorAutomat.actions.addAttachment(pdfAttachment);
 
-    // 2. Extract text using pdftotext-wasm to create 2nd file (textfile)
+      const pdfId = `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
-    try {
+      const pdfAttachment = {
-      const text = await extractPdfText(file, { layout: true });
+        id: pdfId,
-      const txtName = file.name.replace(/\.pdf$/i, '') + '.txt';
+        file,
-      const txtFile = new File([text], txtName, { type: 'text/plain;charset=utf-8' });
+        name: file.name,
-      const txtAttachment = {
+        size: file.size,
-        id: `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+        type: 'application/pdf',
-        file: txtFile,
+        thumbnail,
-        name: txtFile.name,
-        size: txtFile.size,
-        type: 'text/plain',
-        text,
-        parentPdfId: pdfId,
         uploadedAt: new Date().toISOString(),
       };
-      deliveryEditorAutomat.actions.addAttachment(txtAttachment);
+      this.automat.actions.addAttachment(pdfAttachment);
-    } catch (txtErr) {
+
-      console.error('Fehler beim Extrahieren von Text mit pdftotext-wasm:', txtErr);
+      // 2. Extract text using pdfconvert-wasm to create 2nd file (textfile)
+      try {
+        const text = await extractPdfText(file, { layout: true });
+        const txtName = file.name.replace(/\.pdf$/i, '') + '.txt';
+        const txtFile = new File([text], txtName, { type: 'text/plain;charset=utf-8' });
+        const txtAttachment = {
+          id: `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+          file: txtFile,
+          name: txtFile.name,
+          size: txtFile.size,
+          type: 'text/plain',
+          text,
+          parentPdfId: pdfId,
+          uploadedAt: new Date().toISOString(),
+        };
+        this.automat.actions.addAttachment(txtAttachment);
+      } catch (txtErr) {
+        console.error('Fehler beim Extrahieren von Text mit pdfconvert-wasm:', txtErr);
+      }
+    } else {
+      // Direct text / CSV attachment
+      let text = '';
+      try {
+        text = await file.text();
+      } catch (err) {
+        console.error('Fehler beim Lesen der Datei:', err);
+      }
+      const attachmentId = `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+      const textAttachment = {
+        id: attachmentId,
+        file,
+        name: file.name,
+        size: file.size,
+        type: isCsv ? 'text/csv' : 'text/plain',
+        text,
+        uploadedAt: new Date().toISOString(),
+      };
+      this.automat.actions.addAttachment(textAttachment);
     }
 
-    // 3. Run SSE parsing with backend
+    // 3. Run SSE parsing with backend (POST /api/delivery/parse)
-    await this.runPdfParse(file);
+    await this.runParse(file);
   }
 
   async handlePdfRescan(attachment) {
-    if (!attachment?.file || this.state.pdfUploading) return;
+    if (!attachment || this.state.pdfUploading) return;
+
+    let targetAttachment = attachment;
+    if (!targetAttachment.file || targetAttachment.file.size === 0) {
+      const file = await this.ensureAttachmentFile(targetAttachment);
+      if (!file || file.size === 0) {
+        enqueueSnackbar('Datei konnte nicht geladen werden', { variant: 'error' });
+        return;
+      }
+      targetAttachment = { ...targetAttachment, file };
+    }
 
     // Refresh textfile upon rescan for PDF
-    const isPdf = attachment.type === 'application/pdf' || attachment.name.toLowerCase().endsWith('.pdf');
+    const isPdf = targetAttachment.type === 'application/pdf' || targetAttachment.name.toLowerCase().endsWith('.pdf');
     if (isPdf) {
       try {
-        const text = await extractPdfText(attachment.file, { layout: true });
+        const text = await extractPdfText(targetAttachment.file, { layout: true });
         const txtName = attachment.name.replace(/\.pdf$/i, '') + '.txt';
         const txtFile = new File([text], txtName, { type: 'text/plain;charset=utf-8' });
 
@@ -374,7 +531,7 @@ class LieferungNeuPage extends PureComponent {
           (a) => a.parentPdfId === attachment.id || a.name === txtName,
         );
         if (existingTxt) {
-          deliveryEditorAutomat.actions.updateAttachment({
+          this.automat.actions.updateAttachment({
             id: existingTxt.id,
             file: txtFile,
             size: txtFile.size,
@@ -382,7 +539,7 @@ class LieferungNeuPage extends PureComponent {
             isDirty: true,
           });
         } else {
-          deliveryEditorAutomat.actions.addAttachment({
+          this.automat.actions.addAttachment({
             id: `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
             file: txtFile,
             name: txtFile.name,
@@ -403,19 +560,25 @@ class LieferungNeuPage extends PureComponent {
 
   handlePdfDelete(attachment) {
     if (!attachment?.id) return;
-    deliveryEditorAutomat.actions.removeAttachment(attachment.id);
+    this.automat.actions.removeAttachment(attachment.id);
   }
 
   async runParse(file) {
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+    }
+    const abortController = new AbortController();
+    this._parseAbortController = abortController;
+
     this.setState({
       pdfUploading: true,
       pdfDialogOpen: true,
       pdfFileName: file.name,
-      pdfDialogData: { streaming: true, messages: [], result: null, error: null },
+      pdfDialogData: { streaming: true, messages: [], result: null, error: null, aborted: false },
     });
 
     const appendMessage = (msg) => {
-      if (this._cancelled) return;
+      if (this._cancelled || abortController.signal.aborted) return;
       this.setState((prev) => ({
         pdfDialogData: {
           ...prev.pdfDialogData,
@@ -428,8 +591,8 @@ class LieferungNeuPage extends PureComponent {
       const parser = this.context?.delivery?.parseSse;
       if (!parser) throw new Error('parseSse nicht verfügbar.');
 
-      for await (const { event, data } of parser(file)) {
+      for await (const { event, data } of parser(file, { signal: abortController.signal })) {
-        if (this._cancelled) return;
+        if (this._cancelled || abortController.signal.aborted) return;
         switch (event) {
           case 'status':
             appendMessage({ type: 'status', text: data.message ?? String(data) });
@@ -487,9 +650,17 @@ class LieferungNeuPage extends PureComponent {
             const docType = result?.type ?? result?.basedata?.manifestType;
             const notes = Array.isArray(result?.notes) ? result.notes : [];
 
+            const parsedSupplierName = (
+              result?.supplierName ??
+              result?.basedata?.lieferantName ??
+              result?.lieferantName ??
+              result?.basedata?.supplierName ??
+              ''
+            ).trim();
+
             // If supplierId is null, try matching supplier by name from loaded delivery entities
-            if (supplierId == null && result?.basedata?.lieferantName && Array.isArray(this.state.deliveryEntities)) {
+            if (supplierId == null && parsedSupplierName && Array.isArray(this.state.deliveryEntities)) {
-              const nameToMatch = result.basedata.lieferantName.trim().toLowerCase();
+              const nameToMatch = parsedSupplierName.toLowerCase();
               const matched = this.state.deliveryEntities.find(
                 (e) =>
                   e.name &&
@@ -500,24 +671,29 @@ class LieferungNeuPage extends PureComponent {
               if (matched) supplierId = matched.id;
             }
 
-            if (docDate) deliveryEditorAutomat.actions.setDate(docDate);
+            const unmatchedSupplierName = supplierId == null && parsedSupplierName ? parsedSupplierName : null;
-            if (supplierId != null) deliveryEditorAutomat.actions.setDeliveryEntity(supplierId);
+            this.setState({ unmatchedSupplierName });
+            this.automat.actions.setUnmatchedSupplierName(unmatchedSupplierName);
+
+
+            if (docDate) this.automat.actions.setDate(docDate);
+            if (supplierId != null) this.automat.actions.setDeliveryEntity(supplierId);
             if (extNum != null) {
-              deliveryEditorAutomat.actions.setExternalNumber(String(extNum));
+              this.automat.actions.setExternalNumber(String(extNum));
             }
-            if (docType) deliveryEditorAutomat.actions.setType(docType);
+            if (docType) this.automat.actions.setType(docType);
             if (newLines && newLines.length > 0) {
-              deliveryEditorAutomat.actions.setLineitems(newLines);
+              this.automat.actions.setLineitems(newLines);
             }
             if (notes.length > 0) {
-              deliveryEditorAutomat.actions.setNotes(notes);
+              this.automat.actions.setNotes(notes);
             }
 
             // Supply whole article list to GET /supplier/{id}/articles
-            const effectiveSupplierId = supplierId ?? deliveryEditorAutomat.state.deliveryEntity ?? deliveryEditorAutomat.state.partyId;
+            const effectiveSupplierId = supplierId ?? this.automat.state.deliveryEntity ?? this.automat.state.partyId;
-            const effectiveLines = (newLines && newLines.length > 0) ? newLines : deliveryEditorAutomat.state.lines;
+            const effectiveLines = (newLines && newLines.length > 0) ? newLines : this.automat.state.lines;
             if (effectiveSupplierId != null && effectiveLines && effectiveLines.length > 0) {
-              deliveryEditorAutomat.actions.fetchSupplierArticles(effectiveSupplierId, effectiveLines);
+              this.automat.actions.fetchSupplierArticles(effectiveSupplierId, effectiveLines);
             }
             break;
           }
@@ -536,6 +712,17 @@ class LieferungNeuPage extends PureComponent {
       }
     } catch (err) {
       if (this._cancelled) return;
+      if (abortController.signal.aborted || err.name === 'AbortError') {
+        this.setState((prev) => ({
+          pdfDialogData: {
+            ...prev.pdfDialogData,
+            streaming: false,
+            aborted: true,
+            error: 'Analyse abgebrochen.',
+          },
+        }));
+        return;
+      }
       this.setState((prev) => ({
         pdfDialogData: {
           ...prev.pdfDialogData,
@@ -544,6 +731,9 @@ class LieferungNeuPage extends PureComponent {
         },
       }));
     } finally {
+      if (this._parseAbortController === abortController) {
+        this._parseAbortController = null;
+      }
       if (!this._cancelled) {
         this.setState((prev) => ({
           pdfUploading: false,
@@ -563,28 +753,157 @@ class LieferungNeuPage extends PureComponent {
     await this.runParse(file);
   }
 
+  handleAbortParse() {
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
+    this.setState((prev) => ({
+      pdfUploading: false,
+      pdfDialogData: prev.pdfDialogData
+        ? {
+            ...prev.pdfDialogData,
+            streaming: false,
+            aborted: true,
+            error: 'Analyse abgebrochen.',
+          }
+        : null,
+    }));
+  }
+
   handleClosePdfDialog() {
-    this.setState({ pdfDialogOpen: false });
+    if (this._parseAbortController) {
+      this._parseAbortController.abort();
+      this._parseAbortController = null;
+    }
+    this.setState({ pdfDialogOpen: false, pdfUploading: false });
+  }
+
+  async ensureAttachmentFile(attachment) {
+    if (!attachment) return null;
+    const hasContent =
+      (attachment.file instanceof Blob || attachment.file instanceof File) &&
+      attachment.file.size > 0;
+    if (hasContent) {
+      return attachment.file;
+    }
+
+    const docId = this.props.docId ?? attachment.manifestId ?? this.state.id;
+    const fileId = attachment.fileId ?? attachment.id;
+    if (docId == null || fileId == null) {
+      return attachment.file || null;
+    }
+
+    try {
+      const getFile =
+        this.context?.delivery?.getFile?.bind(this.context.delivery) ||
+        deliveryApi.getFile;
+      const blob = await getFile(docId, fileId);
+      const filename = attachment.name || 'Dokument';
+      const mimetype = attachment.type || blob.type || 'application/octet-stream';
+      const file = new File([blob], filename, { type: mimetype });
+
+      let text = attachment.text;
+      const isPdf =
+        mimetype === 'application/pdf' || filename.toLowerCase().endsWith('.pdf');
+      const isText =
+        !isPdf &&
+        (mimetype.startsWith('text/') ||
+          filename.toLowerCase().endsWith('.txt') ||
+          filename.toLowerCase().endsWith('.csv'));
+
+      if (isText && typeof text !== 'string') {
+        try {
+          text = await blob.text();
+        } catch (e) {
+          console.error('Fehler beim Dekodieren des Texts:', e);
+        }
+      }
+
+      this.automat.actions.updateAttachment({
+        id: attachment.id,
+        file,
+        size: blob.size,
+        ...(typeof text === 'string' ? { text } : {}),
+      });
+
+      return file;
+    } catch (err) {
+      console.error('Fehler beim Laden der Dateiinhalte:', err);
+      notifyError(err);
+      return null;
+    }
+  }
+
+  handleTextEditorContentLoaded(attachment, text, blob) {
+    const file = new File([blob], attachment.name || 'Dokument.txt', {
+      type: attachment.type || 'text/plain;charset=utf-8',
+    });
+    this.automat.actions.updateAttachment({
+      id: attachment.id,
+      file,
+      size: blob.size,
+      text,
+    });
   }
 
   handleAttachmentClick(attachment) {
     if (!attachment) return;
+    const isPdf =
+      attachment.type === 'application/pdf' ||
+      attachment.name?.toLowerCase().endsWith('.pdf');
     const isText =
-      attachment.type?.startsWith('text/') ||
+      !isPdf &&
-      attachment.name?.toLowerCase().endsWith('.txt') ||
+      (attachment.type?.startsWith('text/') ||
-      Boolean(attachment.text);
+        attachment.name?.toLowerCase().endsWith('.txt') ||
+        attachment.name?.toLowerCase().endsWith('.csv'));
 
     if (isText) {
       this.setState({
         textEditorOpen: true,
         textEditorAttachment: attachment,
       });
-    } else if (attachment.file instanceof Blob || attachment.file instanceof File) {
+      return;
+    }
+
+    if (isPdf) {
+      if (
+        (attachment.file instanceof Blob || attachment.file instanceof File) &&
+        attachment.file.size > 0
+      ) {
+        const url = URL.createObjectURL(attachment.file);
+        window.open(url, '_blank');
+        return;
+      }
+
+      const docId = this.props.docId ?? attachment.manifestId ?? this.state.id;
+      const fileId = attachment.fileId ?? attachment.id;
+      if (docId != null && fileId != null) {
+        window.open(
+          `/api/delivery/${encodeURIComponent(docId)}/file/${encodeURIComponent(fileId)}`,
+          '_blank',
+        );
+        void this.ensureAttachmentFile(attachment);
+        return;
+      }
+    }
+
+    if (attachment.file instanceof Blob || attachment.file instanceof File) {
       if (attachment.file.size > 0) {
         const url = URL.createObjectURL(attachment.file);
         window.open(url, '_blank');
+        return;
       }
     }
+
+    const docId = this.props.docId ?? attachment.manifestId ?? this.state.id;
+    const fileId = attachment.fileId ?? attachment.id;
+    if (docId != null && fileId != null) {
+      window.open(
+        `/api/delivery/${encodeURIComponent(docId)}/file/${encodeURIComponent(fileId)}`,
+        '_blank',
+      );
+    }
   }
 
   handleCloseTextEditor() {
@@ -602,7 +921,7 @@ class LieferungNeuPage extends PureComponent {
       type: 'text/plain;charset=utf-8',
     });
 
-    deliveryEditorAutomat.actions.updateAttachment({
+    this.automat.actions.updateAttachment({
       id: attachment.id,
       file: newFile,
       size: newFile.size,
@@ -654,7 +973,7 @@ class LieferungNeuPage extends PureComponent {
         await this.context[cfg.updateCache]();
         if (this._cancelled) return;
         enqueueSnackbar(cfg.createdMsg, { variant: 'success' });
-        deliveryEditorAutomat.actions.resetDelivery();
+        this.automat.actions.resetDelivery();
         this.props.navigate(cfg.editPath(data[cfg.docField].id));
       } else {
         const data = await this.context[cfg.api].update(docId, body);
@@ -667,17 +986,17 @@ class LieferungNeuPage extends PureComponent {
         const apiLines = requireArray(doc.lines, `${cfg.docField}.lines`);
         const lines = apiLines.length > 0 ? apiLines.map(lineFromApi) : [emptyLine()];
 
-        deliveryEditorAutomat.actions.setId(doc.id ?? docId);
+        this.automat.actions.setId(doc.id ?? docId);
-        deliveryEditorAutomat.actions.setDate(dateInputValue(doc.date));
+        this.automat.actions.setDate(dateInputValue(doc.date));
-        if (doc[cfg.partyField] != null) deliveryEditorAutomat.actions.setDeliveryEntity(doc[cfg.partyField]);
+        if (doc[cfg.partyField] != null) this.automat.actions.setDeliveryEntity(doc[cfg.partyField]);
-        if (doc.number != null) deliveryEditorAutomat.actions.setNumber(doc.number);
+        if (doc.number != null) this.automat.actions.setNumber(doc.number);
-        if (doc.externalNumber != null) deliveryEditorAutomat.actions.setExternalNumber(String(doc.externalNumber));
+        if (doc.externalNumber != null) this.automat.actions.setExternalNumber(String(doc.externalNumber));
-        deliveryEditorAutomat.actions.setLineitems(lines);
+        this.automat.actions.setLineitems(lines);
 
         // Restore attachments with thumbnails
         const apiFiles = doc.files ?? [];
         const attachments = await restoreAttachmentsFromApi(apiFiles, this.state.attachments);
-        deliveryEditorAutomat.actions.setAttachments(attachments);
+        this.automat.actions.setAttachments(attachments);
 
         enqueueSnackbar(cfg.savedMsg, { variant: 'success' });
         this.setState({ saving: false });
@@ -750,16 +1069,50 @@ class LieferungNeuPage extends PureComponent {
           />
           {partyId == null && (!lines || lines.length === 0) ? (
             <PanelTile wide={3} minHeight={160} color="#e2e8f0">
-              <Typography color="text.secondary">
+              {this.state.unmatchedSupplierName ? (
-                {cfg.partyGateMessage}
+                <Stack spacing={2} sx={{ p: 1 }}>
-              </Typography>
+                  <Typography color="text.secondary">
+                    Lieferant <strong>„{this.state.unmatchedSupplierName}“</strong> wurde im Dokument erkannt, existiert aber noch nicht in den Stammdaten.
+                  </Typography>
+                  <Box>
+                    <Button
+                      variant="contained"
+                      size="small"
+                      onClick={() => this.handleCreateSupplierFromPdf(this.state.unmatchedSupplierName)}
+                    >
+                      Lieferant „{this.state.unmatchedSupplierName}“ anlegen
+                    </Button>
+                  </Box>
+                </Stack>
+              ) : (
+                <Typography color="text.secondary">
+                  {cfg.partyGateMessage}
+                </Typography>
+              )}
             </PanelTile>
           ) : (
             <>
-              {partyId == null && lines && lines.length > 0 && (
+              {partyId == null && (
                 <PanelTile wide={3} color="#fef3c7">
-                  <Alert severity="warning" sx={{ py: 0.5 }}>
+                  <Alert
-                    Bitte wählen Sie oben einen Lieferanten aus, um die erfassten Positionen speichern zu können.
+                    severity="warning"
+                    action={
+                      this.state.unmatchedSupplierName ? (
+                        <Button
+                          color="inherit"
+                          size="small"
+                          variant="outlined"
+                          onClick={() => this.handleCreateSupplierFromPdf(this.state.unmatchedSupplierName)}
+                        >
+                          Lieferant anlegen
+                        </Button>
+                      ) : null
+                    }
+                    sx={{ py: 0.5, alignItems: 'center' }}
+                  >
+                    {this.state.unmatchedSupplierName
+                      ? `Lieferant „${this.state.unmatchedSupplierName}“ wurde im Dokument erkannt, existiert aber noch nicht in den Stammdaten.`
+                      : 'Bitte wählen Sie oben einen Lieferanten aus, um die erfassten Positionen speichern zu können.'}
                   </Alert>
                 </PanelTile>
               )}
@@ -778,6 +1131,9 @@ class LieferungNeuPage extends PureComponent {
                 onRemoveLine={this.handleRemoveLine}
                 onSave={() => void this.handleSave()}
                 onCreateArticle={this.handleCreateArticleForLine}
+                onSearchArticle={this.handleOpenArticleSearchForLine}
+                onRemoveSupplierArticle={this.handleRemoveSupplierArticle}
+                busySupplierArticleLineKeys={this.state.busySupplierArticleLineKeys}
               />
             </>
           )}
@@ -800,13 +1156,25 @@ class LieferungNeuPage extends PureComponent {
           open={pdfDialogOpen}
           filename={pdfFileName}
           data={pdfDialogData}
+          unmatchedSupplierName={this.state.unmatchedSupplierName}
+          onCreateSupplier={this.handleCreateSupplierFromPdf}
           onClose={this.handleClosePdfDialog}
+          onAbort={this.handleAbortParse}
         />
+
         <TextEditorDialog
           open={this.state.textEditorOpen}
+          docId={this.props.docId ?? this.state.id}
           attachment={this.state.textEditorAttachment}
           onClose={this.handleCloseTextEditor}
           onSave={this.handleSaveTextEditor}
+          onContentLoad={this.handleTextEditorContentLoaded}
+        />
+        <ArticleSearchDialog
+          open={this.state.articleSearchDialogOpen}
+          line={this.state.articleSearchLine}
+          onClose={this.handleCloseArticleSearch}
+          onAssign={this.handleAssignArticleForLine}
         />
       </>
     );

src/store/articleAutomat.js

@@ -0,0 +1,124 @@
+import { Automat, fetchJson } from 'react-automat';
+import { article } from '../api/index';
+import { requireObject, requireDefined } from '../utils/apiShape';
+
+/**
+ * Article automat store.
+ * Registered as window.artikel via the name option.
+ * State shape: { [sku: string]: article | null }
+ * 
+ * Usage in PureComponent:
+ * ```jsx
+ * import articleAutomat, { createArticleSelector } from '../../store/articleAutomat';
+ * 
+ * class ArticleView extends PureComponent {
+ *   constructor(props) {
+ *     super(props);
+ *     const sku = props.sku;
+ *     const currentArticle = articleAutomat.state[sku] ?? null;
+ *     this.state = { article: currentArticle };
+ *     
+ *     if (!currentArticle) {
+ *       articleAutomat.actions.loadArticle(sku).catch(console.error);
+ *     }
+ *   }
+ * 
+ *   componentDidMount() {
+ *     this.subscribeToArticle();
+ *   }
+ * 
+ *   componentDidUpdate(prevProps) {
+ *     if (prevProps.sku !== this.props.sku) {
+ *       const currentArticle = articleAutomat.state[this.props.sku] ?? null;
+ *       this.setState({ article: currentArticle });
+ *       
+ *       if (!currentArticle) {
+ *         articleAutomat.actions.loadArticle(this.props.sku).catch(console.error);
+ *       }
+ *       
+ *       this.subscribeToArticle();
+ *     }
+ *   }
+ * 
+ *   subscribeToArticle() {
+ *     if (this.unsub) this.unsub();
+ *     const selector = createArticleSelector(this.props.sku);
+ *     this.unsub = articleAutomat.subscribe(this, (state) => ({
+ *       article: selector(state),
+ *     }));
+ *   }
+ * 
+ *   componentWillUnmount() {
+ *     if (this.unsub) {
+ *       this.unsub();
+ *       this.unsub = null;
+ *     }
+ *   }
+ * 
+ *   render() {
+ *     const { article } = this.state;
+ *     if (!article) return null;
+ *     return <div>{article.name}</div>;
+ *   }
+ * }
+ * ```
+ */
+const articleAutomat = new Automat(
+  {},
+  {
+    /**
+     * Load article by SKU and update the store.
+     * @param {string} sku
+     */
+    async loadArticle(sku) {
+      const res = await article.getBySku(sku);
+      requireObject(res, 'GET /api/article/:sku');
+      requireObject(res.article, 'article');
+      requireDefined(res.article.sku, 'article.sku');
+      
+      articleAutomat.setState({
+        [sku]: res.article,
+      });
+      
+      return res.article;
+    },
+
+    /**
+     * Update article state after a successful mutation.
+     * @param {object} article
+     */
+    setArticle(article) {
+      requireObject(article, 'article');
+      requireDefined(article.sku, 'article.sku');
+      
+      articleAutomat.setState({
+        [article.sku]: article,
+      });
+    },
+
+    /**
+     * Clear article from store (e.g., after deletion).
+     * @param {string} sku
+     */
+    clearArticle(sku) {
+      articleAutomat.setState({
+        [sku]: null,
+      });
+    },
+  },
+  {
+    name: 'artikel',
+  }
+);
+
+/**
+ * Create a selector function for a specific SKU.
+ * This avoids closure issues when the SKU changes.
+ * @param {string} sku - The article SKU
+ * @returns {(state: object) => object|null} Selector function
+ */
+export function createArticleSelector(sku) {
+  return (state) => state[sku] ?? null;
+}
+
+export default articleAutomat;

src/store/authSlice.js

@@ -1,109 +0,0 @@
-import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
-import { auth, company } from '../api';
-
-export const bootstrapSession = createAsyncThunk('auth/bootstrap', async (session) => {
-  if (session) return session;
-  return auth.me();
-});
-
-export const loginWithGoogle = createAsyncThunk('auth/login', async (credential) => {
-  const { session } = await auth.loginWithGoogle(credential);
-  if (!session?.user) {
-    throw new Error('Login ok but session cookie not accepted (/api/auth/me still unauthorized)');
-  }
-  return session;
-});
-
-export const selectCompany = createAsyncThunk('auth/selectCompany', async (companyId) => {
-  const data = await company.select(companyId);
-  return data.user ?? { selectedCompanyId: companyId };
-});
-
-export const createCompany = createAsyncThunk('auth/createCompany', async (payload) => {
-  const data = await company.create(payload);
-  if (data.user) return data.user;
-  if (data.company?.id) {
-    const selected = await company.select(data.company.id);
-    return selected.user ?? { selectedCompanyId: data.company.id };
-  }
-  throw new Error('Unternehmen angelegt, aber keine Benutzerdaten erhalten.');
-});
-
-export const logout = createAsyncThunk('auth/logout', async () => {
-  await auth.logout();
-  window.history.replaceState(null, '', '/');
-});
-
-function mergeUser(state, incoming) {
-  if (!incoming) return state.user;
-  const selectedCompanyId =
-    incoming.selectedCompanyId ?? state.user?.selectedCompanyId ?? null;
-  return { ...state.user, ...incoming, selectedCompanyId };
-}
-
-const initialState = {
-  user: null,
-  googleClientId: null,
-  status: 'loading',
-};
-
-const authSlice = createSlice({
-  name: 'auth',
-  initialState,
-  reducers: {},
-  extraReducers: (builder) => {
-    builder
-      .addCase(bootstrapSession.fulfilled, (state, action) => {
-        const session = action.payload;
-        state.googleClientId = session.googleClientId ?? state.googleClientId;
-        if (!session.user) {
-          if (state.status !== 'authed') {
-            state.user = null;
-            state.status = 'anon';
-          }
-          return;
-        }
-        state.user = mergeUser(state, session.user);
-        state.status = 'authed';
-      })
-      .addCase(bootstrapSession.rejected, (state) => {
-        if (state.status === 'loading') {
-          state.user = null;
-          state.status = 'anon';
-        }
-      })
-      .addCase(loginWithGoogle.fulfilled, (state, action) => {
-        const session = action.payload;
-        state.user = session.user;
-        state.googleClientId = session.googleClientId ?? state.googleClientId;
-        state.status = 'authed';
-      })
-      .addCase(loginWithGoogle.rejected, (state) => {
-        state.user = null;
-        state.status = 'anon';
-      })
-      .addCase(selectCompany.fulfilled, (state, action) => {
-        state.user = mergeUser(state, action.payload);
-        state.status = 'authed';
-      })
-      .addCase(createCompany.fulfilled, (state, action) => {
-        state.user = mergeUser(state, action.payload);
-        state.status = 'authed';
-      })
-      .addCase(createCompany.rejected, (state, action) => {
-        console.error('[redux] createCompany.rejected', action.error?.message, action.payload);
-      })
-      .addCase(logout.fulfilled, (state) => {
-        state.user = null;
-        state.status = 'anon';
-      });
-  },
-});
-
-export const selectAuthStatus = (state) => state.auth.status;
-export const selectAuthUser = (state) => state.auth.user;
-export const selectGoogleClientId = (state) => state.auth.googleClientId;
-export const selectNeedsCompanySetup = (state) =>
-  state.auth.status === 'authed' && state.auth.user?.selectedCompanyId == null;
-
-export default authSlice.reducer;

src/store/brandSlice.js

@@ -1,14 +1,12 @@
 import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { brand as brandApi } from '../api';
+import authAutomat, {
+  AUTH_COMPANY_CHANGED,
+  AUTH_LOGGED_OUT,
+  AUTH_SESSION_ESTABLISHED,
+} from '../automats/authAutomat';
 import { requireArray, requireObject } from '../utils/apiShape';
 import { catchBackendError } from '../utils/backendError';
-import {
-  bootstrapSession,
-  createCompany,
-  loginWithGoogle,
-  logout,
-  selectCompany,
-} from './authSlice';
 
 function sortBrands(brands) {
   return [...brands].sort((a, b) =>
@@ -71,9 +69,8 @@ const brandSlice = createSlice({
           row,
         ]);
       })
-      .addCase(selectCompany.fulfilled, () => initialState)
+      .addCase(AUTH_COMPANY_CHANGED, () => initialState)
-      .addCase(createCompany.fulfilled, () => initialState)
+      .addCase(AUTH_LOGGED_OUT, () => initialState);
-      .addCase(logout.fulfilled, () => initialState);
   },
 });
 
@@ -84,12 +81,9 @@ export const selectBrandsError = (state) => state.brand.error;
 export function brandLoadListener(listenerMiddleware) {
   listenerMiddleware.startListening({
     matcher: (action) =>
-      bootstrapSession.fulfilled.match(action) ||
+      action.type === AUTH_SESSION_ESTABLISHED || action.type === AUTH_COMPANY_CHANGED,
-      loginWithGoogle.fulfilled.match(action) ||
-      selectCompany.fulfilled.match(action) ||
-      createCompany.fulfilled.match(action),
     effect: async (_action, api) => {
-      const companyId = api.getState().auth.user?.selectedCompanyId;
+      const companyId = authAutomat.state.user?.selectedCompanyId;
       if (companyId) {
         api.dispatch(loadBrands());
       }

src/store/categorySlice.js

@@ -2,7 +2,7 @@ import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { category, article } from '../api';
 import { requireArray, requireDefined, requireObject } from '../utils/apiShape';
 import { catchBackendError, resolveBackendError } from '../utils/backendError';
-import { logout } from './authSlice';
+import { AUTH_LOGGED_OUT } from '../automats/authAutomat';
 import { loadCurrentCompany } from './companySlice';
 
 export const ROOT_CATEGORY_NAME = 'Home';
@@ -645,7 +645,7 @@ const categorySlice = createSlice({
           };
         }
       })
-      .addCase(logout.fulfilled, () => initialState);
+      .addCase(AUTH_LOGGED_OUT, () => initialState);
   },
 });
 

src/store/companySlice.js

@@ -1,18 +1,16 @@
 import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { company } from '../api';
+import authAutomat, {
+  AUTH_COMPANY_CHANGED,
+  AUTH_LOGGED_OUT,
+  AUTH_SESSION_ESTABLISHED,
+} from '../automats/authAutomat';
 import { normalizeCompany } from '../utils/companyForm';
-import {
-  bootstrapSession,
-  createCompany,
-  loginWithGoogle,
-  logout,
-  selectCompany,
-} from './authSlice';
 
 export const loadCurrentCompany = createAsyncThunk(
   'company/loadCurrent',
-  async (_, { getState }) => {
+  async () => {
-    const companyId = getState().auth.user?.selectedCompanyId;
+    const companyId = authAutomat.state.user?.selectedCompanyId;
     if (!companyId) return null;
     const data = await company.getById(companyId);
     return normalizeCompany(data.company);
@@ -21,8 +19,8 @@ export const loadCurrentCompany = createAsyncThunk(
 
 export const updateCompany = createAsyncThunk(
   'company/update',
-  async (payload, { getState }) => {
+  async (payload) => {
-    const companyId = getState().auth.user?.selectedCompanyId;
+    const companyId = authAutomat.state.user?.selectedCompanyId;
     if (!companyId) throw new Error('Kein Unternehmen ausgewählt.');
     await company.update(companyId, payload);
     const data = await company.getById(companyId);
@@ -66,7 +64,7 @@ const companySlice = createSlice({
         state.status = 'failed';
         state.error = action.error.message;
       })
-      .addCase(logout.fulfilled, (state) => {
+      .addCase(AUTH_LOGGED_OUT, (state) => {
         state.current = null;
         state.status = 'idle';
         state.error = null;
@@ -87,12 +85,9 @@ export const selectCompanyRootCategoryId = (state) => state.company.current?.roo
 export function companyLoadListener(listenerMiddleware) {
   listenerMiddleware.startListening({
     matcher: (action) =>
-      bootstrapSession.fulfilled.match(action) ||
+      action.type === AUTH_SESSION_ESTABLISHED || action.type === AUTH_COMPANY_CHANGED,
-      loginWithGoogle.fulfilled.match(action) ||
-      selectCompany.fulfilled.match(action) ||
-      createCompany.fulfilled.match(action),
     effect: async (_action, api) => {
-      const companyId = api.getState().auth.user?.selectedCompanyId;
+      const companyId = authAutomat.state.user?.selectedCompanyId;
       if (companyId) {
         api.dispatch(loadCurrentCompany());
       }

src/store/index.js

@@ -1,5 +1,5 @@
 import { configureStore, createListenerMiddleware } from '@reduxjs/toolkit';
-import authReducer from './authSlice';
+import { setAuthEventDispatcher } from '../automats/authAutomat';
 import brandReducer, { brandLoadListener } from './brandSlice';
 import categoryReducer from './categorySlice';
 import companyReducer, { companyLoadListener } from './companySlice';
@@ -25,16 +25,10 @@ function reduxDevLogger() {
     ) {
       return next(action);
     }
-    const before = storeApi.getState();
     const result = next(action);
     const after = storeApi.getState();
     console.log('[redux]', action.type, {
       payload: action.payload,
-      auth: {
-        selectedCompanyId: after.auth.user?.selectedCompanyId ?? null,
-        needsCompanySetup:
-          after.auth.status === 'authed' && after.auth.user?.selectedCompanyId == null,
-      },
       company: after.company.current,
       brands: after.brand.brands.length,
       posterminals: after.posterminal.terminals.length,
@@ -46,7 +40,6 @@ function reduxDevLogger() {
 
 export const store = configureStore({
   reducer: {
-    auth: authReducer,
     company: companyReducer,
     category: categoryReducer,
     brand: brandReducer,
@@ -58,3 +51,5 @@ export const store = configureStore({
       .concat(listenerMiddleware.middleware)
       .concat(import.meta.env.DEV ? reduxDevLogger() : []),
 });
+
+  setAuthEventDispatcher(store.dispatch);

src/store/posterminalSlice.js

@@ -1,14 +1,12 @@
 import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { posterminal } from '../api';
+import authAutomat, {
+  AUTH_COMPANY_CHANGED,
+  AUTH_LOGGED_OUT,
+  AUTH_SESSION_ESTABLISHED,
+} from '../automats/authAutomat';
 import { requireArray, requireDefined, requireObject } from '../utils/apiShape';
 import { catchBackendError, resolveBackendError } from '../utils/backendError';
-import {
-  bootstrapSession,
-  createCompany,
-  loginWithGoogle,
-  logout,
-  selectCompany,
-} from './authSlice';
 import { loadCurrentCompany } from './companySlice';
 
 /**
@@ -236,7 +234,7 @@ const posterminalSlice = createSlice({
         }
       })
       // Reset on logout
-      .addCase(logout.fulfilled, () => initialState);
+      .addCase(AUTH_LOGGED_OUT, () => initialState);
   },
 });
 
@@ -249,12 +247,9 @@ export const { resetPosterminalState } = posterminalSlice.actions;
 export function posterminalLoadListener(listenerMiddleware) {
   listenerMiddleware.startListening({
     matcher: (action) =>
-      bootstrapSession.fulfilled.match(action) ||
+      action.type === AUTH_SESSION_ESTABLISHED || action.type === AUTH_COMPANY_CHANGED,
-      loginWithGoogle.fulfilled.match(action) ||
-      selectCompany.fulfilled.match(action) ||
-      createCompany.fulfilled.match(action),
     effect: async (action, api) => {
-      const companyId = api.getState().auth.user?.selectedCompanyId;
+      const companyId = authAutomat.state.user?.selectedCompanyId;
       console.log('[posterminalLoadListener]', action.type, { companyId });
       if (companyId) {
         api.dispatch(loadPosterminals());

src/store/unitSlice.js

@@ -1,13 +1,11 @@
 import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { unit as unitApi } from '../api';
+import authAutomat, {
+  AUTH_COMPANY_CHANGED,
+  AUTH_LOGGED_OUT,
+  AUTH_SESSION_ESTABLISHED,
+} from '../automats/authAutomat';
 import { requireArray, requireObject } from '../utils/apiShape';
-import {
-  bootstrapSession,
-  createCompany,
-  loginWithGoogle,
-  logout,
-  selectCompany,
-} from './authSlice';
 
 function sortUnits(units) {
   return [...units].sort((a, b) => {
@@ -69,9 +67,8 @@ const unitSlice = createSlice({
       .addCase(deleteUnit.fulfilled, (state, action) => {
         state.units = state.units.filter((u) => u.si !== action.payload);
       })
-      .addCase(selectCompany.fulfilled, () => initialState)
+      .addCase(AUTH_COMPANY_CHANGED, () => initialState)
-      .addCase(createCompany.fulfilled, () => initialState)
+      .addCase(AUTH_LOGGED_OUT, () => initialState);
-      .addCase(logout.fulfilled, () => initialState);
   },
 });
 
@@ -82,12 +79,9 @@ export const selectUnitsError = (state) => state.unit.error;
 export function unitLoadListener(listenerMiddleware) {
   listenerMiddleware.startListening({
     matcher: (action) =>
-      bootstrapSession.fulfilled.match(action) ||
+      action.type === AUTH_SESSION_ESTABLISHED || action.type === AUTH_COMPANY_CHANGED,
-      loginWithGoogle.fulfilled.match(action) ||
-      selectCompany.fulfilled.match(action) ||
-      createCompany.fulfilled.match(action),
     effect: async (_action, api) => {
-      const companyId = api.getState().auth.user?.selectedCompanyId;
+      const companyId = authAutomat.state.user?.selectedCompanyId;
       if (companyId) {
         api.dispatch(loadUnits());
       }

src/utils/pdfText.js

@@ -1,7 +1,8 @@
-import { pdfToText } from 'pdftotext-wasm';
+import { pdfToText, splitPdfPages } from 'pdfconvert-wasm';
 
 export async function extractPdfText(pdfSource, options = { layout: true }) {
   return pdfToText(pdfSource, options);
 }
 
-export { pdfToText };
+export { pdfToText, splitPdfPages };
+

src/utils/pdfThumbnail.js

@@ -1,36 +1,22 @@
-import * as pdfjsLib from 'pdfjs-dist';
+import { pdfToPng } from 'pdfconvert-wasm';
-
-// Tells Vite/Webpack to emit the worker script as an asset file locally
-pdfjsLib.GlobalWorkerOptions.workerSrc = new URL(
-  'pdfjs-dist/build/pdf.worker.mjs',
-  import.meta.url
-).toString();
 
 export async function generatePdfThumbnail(pdfSource, targetWidth = 200) {
-  let loadingTask;
+  const images = await pdfToPng(pdfSource, {
-  if (pdfSource instanceof File || pdfSource instanceof Blob) {
+    firstPage: 1,
-    const arrayBuffer = await pdfSource.arrayBuffer();
+    singleFile: true,
-    loadingTask = pdfjsLib.getDocument({ data: arrayBuffer });
+    scaleToX: targetWidth,
-  } else {
+  });
-    loadingTask = pdfjsLib.getDocument(pdfSource);
+
+  if (!images || images.length === 0) {
+    return null;
   }
 
-  const pdf = await loadingTask.promise;
+  const blob = new Blob([images[0].data], { type: 'image/png' });
-  const page = await pdf.getPage(1);
+  return new Promise((resolve, reject) => {
-
+    const reader = new FileReader();
-  const unscaledViewport = page.getViewport({ scale: 1 });
+    reader.onloadend = () => resolve(reader.result);
-  const scale = targetWidth / unscaledViewport.width;
+    reader.onerror = reject;
-  const viewport = page.getViewport({ scale });
+    reader.readAsDataURL(blob);
-
+  });
-  const canvas = document.createElement('canvas');
-  const context = canvas.getContext('2d');
-  canvas.width = Math.floor(viewport.width);
-  canvas.height = Math.floor(viewport.height);
-
-  await page.render({
-    canvasContext: context,
-    viewport: viewport,
-  }).promise;
-
-  return canvas.toDataURL('image/jpeg', 0.85);
 }
+