feat(p1): complete P1 foundation stage

- monorepo: pnpm workspace + go.work + pyproject.toml + commitlint/husky
- infra: docker-compose (minimal + full profiles) + init-sql + prometheus
- arch-scan: multi-language scanner skeleton (TS/Go/Python/Proto)
- shared-proto: buf v2 + classes.proto (ClassService CRUD contract)
- api-gateway: Go/Gin + JWT HS256 auth + reverse proxy + request ID
- classes: NestJS golden template (error system + observability + middleware + CRUD + tests)
- teacher-portal: Next.js + paper-feel UI design system
- CI/CD: 4 workflows (go/ts/py/proto)
- docs: migration guide + project_rules + coding-standards + git-workflow + ui-design-system + 004 + 9 module READMEs + known-issues + spec/plan migration + roadmap

package.json

@@ -0,0 +1,30 @@
+{
+  "name": "next-edu-cloud",
+  "version": "0.1.0",
+  "private": true,
+  "description": "DDD+EDA+CQRS 企业级微服务架构教育云平台",
+  "engines": {
+    "node": ">=20",
+    "pnpm": ">=9"
+  },
+  "packageManager": "pnpm@9.12.0",
+  "scripts": {
+    "dev": "pnpm -r --parallel run dev",
+    "build": "pnpm -r run build",
+    "test": "pnpm -r run test",
+    "lint": "pnpm -r run lint",
+    "arch:scan": "tsx scripts/arch-scan/scanner.ts",
+    "arch:query": "tsx scripts/arch-scan/query.ts",
+    "prepare": "husky"
+  },
+  "devDependencies": {
+    "husky": "^9.1.0",
+    "lint-staged": "^15.0.0",
+    "@commitlint/cli": "^19.0.0",
+    "@commitlint/config-conventional": "^19.0.0",
+    "tsx": "^4.19.0",
+    "typescript": "^5.6.0",
+    "@types/node": "^22.0.0",
+    "prettier": "^3.3.0"
+  }
+}