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src/services/draftManager.js

@@ -50,11 +50,43 @@ export function getCachedDraft({ companyId, userId, name }) {
     return draftCache.get(cacheKey(companyId, userId, name)) || null;
 }
 
+/**
+ * Normalizes draft content by deduplicating redundant `items` array when `lines` exists.
+ * @param {any} content
+ * @returns {any}
+ */
+export function normalizeDraftContent(content) {
+    if (!content) return content;
+    let parsed = content;
+    let wasString = false;
+    if (typeof content === 'string') {
+        try {
+            parsed = JSON.parse(content);
+            wasString = true;
+        } catch {
+            return content;
+        }
+    }
+    if (parsed && typeof parsed === 'object') {
+        const target = parsed.manifest && typeof parsed.manifest === 'object' ? parsed.manifest : parsed;
+        if (target && typeof target === 'object') {
+            if (Array.isArray(target.lines) && Array.isArray(target.items)) {
+                delete target.items;
+            } else if (!Array.isArray(target.lines) && Array.isArray(target.items)) {
+                target.lines = target.items;
+                delete target.items;
+            }
+        }
+    }
+    return wasString ? JSON.stringify(parsed, null, 2) : parsed;
+}
+
 export function setCachedDraft({ companyId, userId, name, content }) {
+    const normalized = normalizeDraftContent(content);
     const updatedAt = new Date().toISOString();
-    const str = typeof content === 'string' ? content : JSON.stringify(content ?? {}, null, 2);
+    const str = typeof normalized === 'string' ? normalized : JSON.stringify(normalized ?? {}, null, 2);
     const entry = {
-        content,
+        content: normalized,
         updatedAt,
         size: Buffer.byteLength(str, 'utf8'),
     };
@@ -262,13 +294,14 @@ export function handleDraftResponse({ requestId, content, error, files }) {
     }
 
     // action === 'read'
+    const normalized = normalizeDraftContent(content);
     setCachedDraft({
         companyId: pending.companyId,
         userId: pending.userId,
         name: pending.name,
-        content,
+        content: normalized,
     });
-    pending.resolve(content);
+    pending.resolve(normalized);
     return { handled: true };
 }