init: scaffold complet Sakuin — backend NestJS + frontend SvelteKit + CI/CD + deploy VPS

Backend: 5 modules (auth, user, work, list, health), AniList GraphQL proxy,
SuperOAuth PKCE introspection, XP system, migrations TypeORM.
Frontend: SvelteKit adapter-node, PWA manifest, dark theme, pages home/search/list/profile/callback.
Infra: CI/CD Gitea vps-runner, Apache vhost SSL, pm2 sakuin-backend + sakuin-frontend, port 4002.
License: BSL 1.1 (Apache 2.0 en 2028).

backend/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "sakuin-backend",
+  "version": "0.1.0",
+  "description": "Sakuin — manga/anime tracker API",
+  "license": "BUSL-1.1",
+  "scripts": {
+    "build": "nest build",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:prod": "node dist/main",
+    "typeorm": "ts-node -r tsconfig-paths/register ./node_modules/typeorm/cli.js",
+    "migration:generate": "npm run typeorm -- migration:generate src/migrations/$npm_config_name -d src/config/data-source.ts",
+    "migration:run": "npm run typeorm -- migration:run -d src/config/data-source.ts",
+    "migration:revert": "npm run typeorm -- migration:revert -d src/config/data-source.ts"
+  },
+  "dependencies": {
+    "@nestjs/common": "^11.1.17",
+    "@nestjs/config": "^4.0.3",
+    "@nestjs/core": "^11.1.17",
+    "@nestjs/platform-express": "^11.1.17",
+    "@nestjs/typeorm": "^11.0.0",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.15.1",
+    "mysql2": "^3.20.0",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.2",
+    "typeorm": "^0.3.28"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^11.0.16",
+    "@nestjs/schematics": "^11.0.9",
+    "@types/express": "^5.0.6",
+    "@types/node": "^25.5.0",
+    "ts-node": "^10.9.2",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^6.0.2"
+  }
+}