Initial commit: img-infinite-canvas AI design workbench MVP

Moteva-style AI design workbench replica. Home prompt creates a project;
the project page provides an infinite canvas with node drag, zoom/pan,
a design chat panel, history replay, image asset upload, and project
save/regenerate.

- Backend: go-zero, DDD layering, sqlc/pgx, optional PostgreSQL; memory
  or Redis cache; asynq job queue; MinIO/S3/R2/OSS object storage;
  sky-valley/pi agent runtime adapter.
- Frontend: Next.js App Router + Vite artifact build, TypeScript, i18n,
  shadcn/ui components, auth (OTP/Turnstile/Google/WeChat).
- Deploy: Docker Compose and k3s manifests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "img-infinite-canvas-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "next dev -H 0.0.0.0 -p 5173",
+    "dev:vite": "vite --host 0.0.0.0",
+    "build": "tsc -b && next build && vite build",
+    "start": "next start -H 0.0.0.0 -p 3000",
+    "preview": "vite preview --host 0.0.0.0"
+  },
+  "dependencies": {
+    "@radix-ui/react-context-menu": "^2.3.2",
+    "@radix-ui/react-dropdown-menu": "^2.1.19",
+    "@radix-ui/react-popover": "^1.1.18",
+    "@radix-ui/react-scroll-area": "^1.2.13",
+    "@radix-ui/react-switch": "^1.3.2",
+    "@radix-ui/react-tabs": "^1.1.16",
+    "lucide-react": "^1.23.0",
+    "next": "^16.2.10",
+    "react": "^19.2.7",
+    "react-dom": "^19.2.7"
+  },
+  "devDependencies": {
+    "@types/node": "26.1.0",
+    "@types/react": "^19.2.17",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^6.0.3",
+    "typescript": "^6.0.3",
+    "vite": "^8.1.3",
+    "vite-plugin-compression2": "^2.5.3"
+  }
+}