Initial project structure: Next.js 15 + TypeScript + Drizzle ORM

- Next.js 15 with App Router, TypeScript, Tailwind CSS
- Directory structure per LegalAI architecture plan
- Docker Compose setup (PostgreSQL 16, Meilisearch, App)
- Drizzle ORM with base schema (tenants, users, norms, decisions)
- AI abstraction layer structure (Vercel AI SDK)
- Normen-Engine with Quellenrang hierarchy
- Search abstraction layer
- Auth placeholder (NextAuth.js)

Co-Authored-By: Paperclip <noreply@paperclip.ing>

package.json

@@ -0,0 +1,34 @@
+{
+  "name": "legalai",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "@ai-sdk/anthropic": "^3.0.68",
+    "@ai-sdk/openai": "^3.0.52",
+    "ai": "^6.0.154",
+    "drizzle-orm": "^0.45.2",
+    "next": "16.2.3",
+    "next-auth": "^4.24.13",
+    "pg": "^8.20.0",
+    "react": "19.2.4",
+    "react-dom": "19.2.4"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/pg": "^8.20.0",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "drizzle-kit": "^0.31.10",
+    "eslint": "^9",
+    "eslint-config-next": "16.2.3",
+    "tailwindcss": "^4",
+    "typescript": "^5"
+  }
+}