feat: 新增岗位管理、提示词模板与资源标签，完善用户提示词与推荐问题接口

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

offline-backend-20260512/backend/app/gateway/app.py

@@ -50,6 +50,7 @@ from app.gateway.routers import (
     notifications,
     parallel_agent_tasks,
     parallel_agents,
+    positions,
     public_embed,
     public_leaderboard,
     public_scheduled_tasks,
@@ -1397,6 +1398,9 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
     # Tags API is mounted at /api/tags
     app.include_router(tags.router)
 
+    # 岗位 (position) management API is mounted at /api/positions
+    app.include_router(positions.router)
+
     # Thread Runs API (LangGraph Platform-compatible runs lifecycle)
     app.include_router(thread_runs.router)