Phase 3: Factory Floor Complete

✅ Kanban Board with drag-and-drop (dnd-kit)
✅ Kanban Cards with status colors and metadata
✅ Bulk Grid with TanStack Table
  - Sorting, filtering, selection
  - Bulk operations (approve, publish, delete)
  - Virtual scrolling ready
✅ Article Workbench - 3-panel editor
  - Left: Metadata panel (status, location, SEO)
  - Center: Content editor (visual/code toggle)
  - Right: Tools (SEO, spintax, images, logs)
  - Auto-save functionality
✅ Titanium Pro design throughout
✅ Framer Motion animations

Factory Floor production workflow complete.

frontend/package.json

@@ -25,8 +25,12 @@
     "@radix-ui/react-slot": "^1.0.2",
     "@radix-ui/react-tabs": "^1.0.4",
     "@radix-ui/react-toast": "^1.1.5",
+    "@tanstack/react-query": "^5.90.12",
     "@tanstack/react-table": "^8.21.3",
     "@tanstack/react-virtual": "^3.13.13",
+    "@tiptap/extension-placeholder": "^3.13.0",
+    "@tiptap/react": "^3.13.0",
+    "@tiptap/starter-kit": "^3.13.0",
     "@tremor/react": "^3.18.7",
     "astro": "^4.7.0",
     "bullmq": "^5.66.0",
@@ -40,6 +44,7 @@
     "lucide-react": "^0.346.0",
     "nanoid": "^5.0.5",
     "react": "^18.3.1",
+    "react-diff-viewer-continued": "^3.4.0",
     "react-dom": "^18.3.1",
     "react-flow-renderer": "^10.3.17",
     "react-leaflet": "^4.2.1",