feat: team org panel, admin CRUD, local deploy tools, bidirectional data sync

Add TeamMember model and APIs, team status UI, /admin page, local server bats,
and scripts to sync data between local PostgreSQL and Render.

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

backend/package.json

@@ -4,7 +4,7 @@
   "description": "EENE 인재성장팀 대시보드 - Backend API",
   "main": "dist/index.js",
   "scripts": {
-    "dev": "tsx watch src/index.ts",
+    "dev": "npm run db:sync && tsx watch src/index.ts",
     "db:sync": "prisma migrate deploy || prisma db push",
     "build": "prisma generate && tsc",
     "start": "npm run db:sync && node dist/index.js",
@@ -12,7 +12,9 @@
     "db:generate": "prisma generate",
     "db:studio": "prisma studio",
     "db:seed": "tsx prisma/seed.ts",
-    "db:import-hr": "tsx scripts/import-hr-data.ts"
+    "db:import-hr": "tsx scripts/import-hr-data.ts",
+    "db:sync-remote": "tsx scripts/sync-from-remote.ts",
+    "db:push-remote": "tsx scripts/sync-to-remote.ts"
   },
   "dependencies": {
     "@prisma/client": "^6.0.0",