feat: AcroForm-Fill via Claude CLI, Multi-Source, Kanagawa, Docker-Deploy

Komplettes Rework der AI-Studio-Vorlage zu einem produktiven Werkzeug fuer
deutsche AcroForm-Formulare (Reha-Antraege, Arzt-Befundberichte):

- Backend: Express spawnt headless Claude CLI ('claude -p --output-format json'
  via stdin-Pipe). Prompt enthaelt die Feldnamen als Ziel-Schema plus die
  Arbeitsregeln (Stichwortstil, feste Zeichen-Kaestchen ohne Leerzeichen,
  Vordrucke respektieren, keine geratenen Werte, nur medizinisch).
- PDF-Handling: pdfjs-dist statt pdf-lib — pdf-lib scheitert an verschluesselten
  Object-Streams in DRV-Formularen. annotationStorage + saveDocument, kein
  Flatten. Worker-Patch zur Laufzeit forciert Auto-Size und schwarze Schrift.
- Multi-Source-Upload: beliebig viele PDFs/Bilder + optional Freitext.
- Design: Kanagawa Design System (Preset aus ../kanagawa-design-system),
  Tailwind lokal gebaut statt CDN, Dark/Light-Toggle, Progress-Indicator.
- Deployment: Multi-Stage-Dockerfile, docker-compose in matrix_default-Netz,
  Claude-Credentials vom Host per Volume. PLAN.md + AGENTS.md (Alex-Schema).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

package.json

@@ -1,29 +1,35 @@
 {
-  "name": "autoform-ai",
+  "name": "rentenversicherer",
   "private": true,
-  "version": "1.0.0",
+  "version": "0.1.0",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "dev": "concurrently -n vite,server -c cyan,magenta \"vite\" \"tsx watch server/index.ts\"",
     "build": "vite build",
-    "preview": "vite preview"
+    "start": "tsx server/index.ts",
+    "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@google/genai": "^1.38.0",
-    "jspdf": "^2.5.1",
+    "express": "^4.19.2",
     "lucide-react": "^0.563.0",
-    "pdf-lib": "^1.17.1",
+    "multer": "^2.1.1",
+    "pdfjs-dist": "^5.6.205",
     "react": "^19.2.4",
     "react-dom": "^19.2.4"
   },
   "devDependencies": {
+    "@types/express": "^4.17.21",
+    "@types/multer": "^2.1.0",
+    "@types/node": "^20.12.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@vitejs/plugin-react": "^4.2.1",
     "autoprefixer": "^10.4.18",
+    "concurrently": "^8.2.2",
     "postcss": "^8.4.35",
     "tailwindcss": "^3.4.1",
+    "tsx": "^4.19.0",
     "typescript": "^5.2.2",
     "vite": "^5.1.4"
   }
-}
+}