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src/components/article/boxes/ArticleViewBrand.jsx

@@ -3,9 +3,9 @@ import Autocomplete from '@mui/material/Autocomplete';
 import TextInput from '../../TextInput';
 import Typography from '@mui/material/Typography';
 import Box from '@mui/material/Box';
-import { EditablePanelTile } from 'dashgui/panels';
+import { EditablePanelTile, PanelTile } from 'dashgui/panels';
 import brandAutomat from '../../../automats/brandAutomat';
-import artikelAutomat from '../../../automats/artikelAutomat';
+import artikelAutomat, { getArticle } from '../../../automats/artikelAutomat';
 import { requireObject } from '../../../utils/apiShape';
 import { notifyError } from '../../../utils/notify';
 import InputAdornment from '@mui/material/InputAdornment';
@@ -33,12 +33,13 @@ class PanelValue extends Component {
   }
 }
 
-function brandDraftValue(article) {
+function brandDraftValue(article, parentArticle) {
+  const brand = article?.brand || parentArticle?.brand;
   return {
-    name: article?.brand?.name ?? '',
-    thumbHash: article?.brand?.thumbHash ?? null,
-    thumbW: article?.brand?.thumbW ?? null,
-    thumbH: article?.brand?.thumbH ?? null,
+    name: brand?.name ?? '',
+    thumbHash: brand?.thumbHash ?? null,
+    thumbW: brand?.thumbW ?? null,
+    thumbH: brand?.thumbH ?? null,
   };
 }
 
@@ -128,12 +129,27 @@ export default class ArticleViewBrand extends PureComponent {
     this.unsub = brandAutomat.subscribe(this, (state) => ({
       brands: state.brands ?? [],
     }));
+    const parentSku = this.props.article?.parentSku || this.props.article?.parent_sku;
+    if (parentSku && !getArticle(parentSku)) {
+      void artikelAutomat.actions.loadArticle(parentSku).catch(() => {});
+    }
+    this.unsubArtikel = artikelAutomat.subscribe(this, () => ({}));
+  }
+
+  componentDidUpdate(prevProps) {
+    const parentSku = this.props.article?.parentSku || this.props.article?.parent_sku;
+    const prevParentSku = prevProps.article?.parentSku || prevProps.article?.parent_sku;
+    if (parentSku && parentSku !== prevParentSku && !getArticle(parentSku)) {
+      void artikelAutomat.actions.loadArticle(parentSku).catch(() => {});
+    }
   }
 
   componentWillUnmount() {
     this._cancelled = true;
     this.unsub?.();
     this.unsub = null;
+    this.unsubArtikel?.();
+    this.unsubArtikel = null;
   }
 
   handleSave = async (draft) => {
@@ -170,7 +186,40 @@ export default class ArticleViewBrand extends PureComponent {
   render() {
     const { article: articleData } = this.props;
     const { brands } = this.state;
-    const value = brandDraftValue(articleData);
+    const isChild = Boolean(
+      articleData?.parentSku ||
+      articleData?.parent_sku ||
+      articleData?.parentArticleId != null ||
+      articleData?.parentId != null ||
+      articleData?.parent_id != null
+    );
+
+    const parentSku = articleData?.parentSku || articleData?.parent_sku;
+    const parentArticle = parentSku ? getArticle(parentSku) : null;
+    const value = brandDraftValue(articleData, parentArticle);
+
+    if (isChild) {
+      const brandObj = articleData?.brand || parentArticle?.brand || (value.name ? value : null);
+      return (
+        <PanelTile
+          title="Marke"
+          wide={1}
+          minHeight={SECOND_ROW_MIN_HEIGHT}
+          color={PURPLE_BG}
+        >
+          <PanelValue>
+            {value.name ? (
+              <BrandLabel
+                brand={brandObj}
+                name={value.name}
+                size={22}
+                typographyProps={{ variant: 'body2', fontWeight: 600 }}
+              />
+            ) : null}
+          </PanelValue>
+        </PanelTile>
+      );
+    }
 
     return (
       <EditablePanelTile

src/components/article/boxes/ArticleViewStock.jsx

@@ -85,10 +85,18 @@ export default class ArticleViewStock extends PureComponent {
     const hasWarehouses = warehouses.length > 0;
 
     let totalVariantsStock = 0;
+    let anyVariantTracksStock = false;
     if (isParent) {
       const children = Array.isArray(articleData?.children) ? articleData.children : [];
       for (const child of children) {
         const fullChild = getArticle(child.sku) || child;
+        const tracks =
+          fullChild.track_stock !== false &&
+          fullChild.track_stock !== 0 &&
+          fullChild.track_stock !== '0';
+        if (tracks) {
+          anyVariantTracksStock = true;
+        }
         if (Array.isArray(fullChild.warehouses) && fullChild.warehouses.length > 0) {
           totalVariantsStock += fullChild.warehouses.reduce(
             (sum, wh) => sum + (Number(wh.stock) || 0),
@@ -155,19 +163,21 @@ export default class ArticleViewStock extends PureComponent {
               </Typography>
 
               {isParent ? (
-                <Box sx={{ my: 0.75 }}>
-                  <Typography
-                    component="div"
-                    sx={{
-                      fontSize: '1.25rem',
-                      fontWeight: 700,
-                      lineHeight: 1.2,
-                      color: 'text.primary',
-                    }}
-                  >
-                    Alle Varianten zusammen: {formatStock(totalVariantsStock)}
-                  </Typography>
-                </Box>
+                anyVariantTracksStock || totalVariantsStock > 0 ? (
+                  <Box sx={{ my: 0.75 }}>
+                    <Typography
+                      component="div"
+                      sx={{
+                        fontSize: '1.25rem',
+                        fontWeight: 700,
+                        lineHeight: 1.2,
+                        color: 'text.primary',
+                      }}
+                    >
+                      Alle Varianten zusammen: {formatStock(totalVariantsStock)}
+                    </Typography>
+                  </Box>
+                ) : null
               ) : isStueckliste ? (
                 <Tooltip title="Virtueller Bestand – Anpassung erfolgt an den einzelnen Komponenten" arrow placement="top-start">
                   <Box sx={{ my: 0.5 }}>

src/components/chat/ChatDrawer.jsx

@@ -112,7 +112,19 @@ export default class ChatDrawer extends PureComponent {
     }, delay);
   };
 
+  updateGutterClass(isOpen) {
+    if (typeof document === 'undefined') return;
+    const html = document.documentElement;
+    if (!html) return;
+    if (isOpen) {
+      html.classList.add('df-chat-open');
+    } else {
+      html.classList.remove('df-chat-open');
+    }
+  }
+
   componentDidMount() {
+    this.updateGutterClass(this.state.isOpen);
     if (this.state.isOpen) {
       if (chatAutomat.state.pendingInput != null) {
         this.focusInputAtEnd(150);
@@ -177,7 +189,14 @@ export default class ChatDrawer extends PureComponent {
     }));
   }
 
+  componentDidUpdate(prevProps, prevState) {
+    if (this.state.isOpen !== prevState.isOpen) {
+      this.updateGutterClass(this.state.isOpen);
+    }
+  }
+
   componentWillUnmount() {
+    this.updateGutterClass(false);
     if (this.focusTimeout) clearTimeout(this.focusTimeout);
     this.unsub?.();
     this.unsubSettings?.();
@@ -1605,7 +1624,9 @@ export default class ChatDrawer extends PureComponent {
           anchor="right"
           open={isOpen}
           onClose={this.handleClose}
+          disableScrollLock
           ModalProps={{
+            disableScrollLock: true,
             disableEnforceFocus: true,
           }}
           sx={(theme) => ({

src/index.css

@@ -44,6 +44,15 @@ html {
   scrollbar-gutter: stable;
 }
 
+/* While the assistant chat drawer is open on the right edge of the screen,
+   the reserved scrollbar-gutter strip must read as white to seamlessly
+   continue the drawer surface. */
+html.df-chat-open,
+html.df-chat-open body,
+html.df-chat-open #root {
+  background-color: #ffffff;
+}
+
 /* While any AppDialog is open, the reserved scrollbar-gutter strip must read
    as fog, not app background. AppDialog toggles `df-dialog-open` on <html>
    (ref-counted for stacked dialogs). The solid fog token is published by