feat: brainstorm sessions, PDF document Q&A, embedding fixes, and UI improvements

- Add brainstorm feature with collaborative canvas, AI idea generation, live cursors, playback, and export
- Add PDF upload/extraction/ingestion pipeline with pgvector document search (RAG)
- Add document Q&A overlay with streaming chat and PDF preview
- Add note attachments UI with status polling, grid layout, and auto-scroll
- Add task extraction AI tool and agent executor improvements
- Fix NoteEmbedding missing updatedAt column, re-index 66 notes with 1536-dim embeddings
- Fix brainstorm 'Create Note' button: add success toast and redirect to created note
- Fix memory echo notification infinite polling
- Fix chat route to always include document_search tool
- Add brainstorm i18n keys across all 14 locales
- Add socket server for real-time brainstorm collaboration
- Add hierarchical notebook selector and organize notebook dialog improvements
- Add sidebar brainstorm section with session management
- Update prisma schema with brainstorm tables, attachments, and document chunks

memento-note/package.json

@@ -4,6 +4,8 @@
   "private": true,
   "scripts": {
     "dev": "NODE_OPTIONS='--max-old-space-size=4096' next dev --turbopack",
+    "dev:all": "concurrently \"npm run dev\" \"npm run socket\"",
+    "socket": "npx tsx socket-server.ts",
     "build": "prisma generate && next build --webpack",
     "start": "next start",
     "db:generate": "prisma generate",
@@ -67,6 +69,7 @@
     "@tiptap/react": "^3.22.5",
     "@tiptap/starter-kit": "^3.22.5",
     "@tiptap/suggestion": "^3.22.5",
+    "@types/d3": "^7.4.3",
     "@types/jsdom": "^28.0.1",
     "ai": "^6.0.23",
     "autoprefixer": "^10.4.23",
@@ -76,12 +79,14 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "d3": "^7.9.0",
     "dagre": "^0.8.5",
     "date-fns": "^4.1.0",
     "diff": "^9.0.0",
     "dotenv": "^17.2.3",
     "elkjs": "^0.11.1",
     "isomorphic-dompurify": "^3.12.0",
+    "jalaali-js": "^1.2.8",
     "jsdom": "^29.0.2",
     "katex": "^0.16.27",
     "lucide-react": "^0.562.0",
@@ -91,11 +96,13 @@
     "next-auth": "^5.0.0-beta.30",
     "nodemailer": "^8.0.4",
     "novel": "^1.0.2",
+    "pdf-parse": "^2.4.5",
     "postcss": "^8.5.6",
     "pptxgenjs": "^4.0.1",
     "radix-ui": "^1.4.3",
     "react": "19.2.3",
     "react-dom": "19.2.3",
+    "react-force-graph-2d": "^1.29.1",
     "react-markdown": "^10.1.0",
     "rehype-katex": "^7.0.1",
     "rehype-raw": "^7.0.0",
@@ -104,6 +111,8 @@
     "resend": "^6.12.0",
     "rss-parser": "^3.13.0",
     "sharp": "^0.34.0",
+    "socket.io": "^4.8.3",
+    "socket.io-client": "^4.8.3",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
     "tinyld": "^1.3.4",
@@ -120,9 +129,11 @@
     "@types/diff": "^7.0.2",
     "@types/node": "^20",
     "@types/nodemailer": "^7.0.4",
+    "@types/pdf-parse": "^1.1.5",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "@vitest/coverage-v8": "^4.0.18",
+    "concurrently": "^9.2.1",
     "prisma": "^5.22.0",
     "tailwindcss": "^4.0.0",
     "tsx": "^4.21.0",