feat: add Turborepo per-project monorepo scaffold and project API

- Add Turborepo scaffold templates (apps: product, website, admin, storybook; packages: ui, tokens, types, config)
- Add ProjectRecord and AppRecord types to control plane
- Add Gitea integration service (repo creation, scaffold push, webhooks)
- Add Coolify integration service (project + per-app service provisioning with turbo --filter)
- Add project routes: GET/POST /projects, GET /projects/:id/apps, POST /projects/:id/deploy
- Update chat route to inject project/monorepo context into AI requests
- Add deploy_app and scaffold_app tools to Gemini tool set
- Update deploy executor with monorepo-aware /execute/deploy endpoint
- Add TURBOREPO_MIGRATION_PLAN.md documenting rationale and scope

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/scripts/templates/turborepo/apps/website/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@{{project-slug}}/website",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev --port 3001",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint",
+    "type-check": "tsc --noEmit"
+  },
+  "dependencies": {
+    "@{{project-slug}}/ui": "workspace:*",
+    "@{{project-slug}}/tokens": "workspace:*",
+    "@{{project-slug}}/types": "workspace:*",
+    "next": "^15.1.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
+  },
+  "devDependencies": {
+    "@{{project-slug}}/config": "workspace:*",
+    "@types/node": "^22.0.0",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
+    "typescript": "^5.7.0"
+  }
+}