fix(keep-notes): sidebar chevron, labels sync, batch org errors, perf guards

- Notebooks: chevron visible when expanded (remove overflow clip), functional expand state
- Labels: sync/cleanup by notebookId, reconcile after note move
- Settings: refresh notebooks after cleanup; label dialog routing
- ConnectionsBadge lazy-load; reminder check persistence; i18n keys

Made-with: Cursor

keep-notes/lib/ai/services/auto-label-creation.service.ts

@@ -443,15 +443,37 @@ Deine Antwort (nur JSON):
         },
       })
 
-      // Assign label to all suggested notes (updateMany doesn't support relations)
+      // Assign to notes: UI reads `Note.labels` (JSON string[]); relations must stay in sync
       for (const noteId of suggestedLabel.noteIds) {
+        const note = await prisma.note.findFirst({
+          where: { id: noteId, userId, notebookId },
+          select: { labels: true },
+        })
+        if (!note) continue
+
+        let names: string[] = []
+        if (note.labels) {
+          try {
+            const parsed = JSON.parse(note.labels) as unknown
+            names = Array.isArray(parsed)
+              ? parsed.filter((n): n is string => typeof n === 'string' && n.trim().length > 0)
+              : []
+          } catch {
+            names = []
+          }
+        }
+
+        const trimmed = suggestedLabel.name.trim()
+        if (!names.some((n) => n.toLowerCase() === trimmed.toLowerCase())) {
+          names = [...names, suggestedLabel.name]
+        }
+
         await prisma.note.update({
           where: { id: noteId },
           data: {
+            labels: JSON.stringify(names),
             labelRelations: {
-              connect: {
-                id: label.id,
-              },
+              connect: { id: label.id },
             },
           },
         })