feat: 完善周期报告与用户行为分析

- 支持可配置周报月报模板与登录后异步补生成\n- 增加用户行为埋点和后台分析页面\n- 移除主题额度并保留实修回顾结算\n- 修复历史会话续聊上下文丢失

ai_knowledge_base_v2/apps/backend/app/api/router.py

@@ -6,6 +6,7 @@ from app.core.dependencies import enforce_admin_access
 from app.api import (
     admin_auth,
     admin_content_generation,
+    admin_user_behavior,
     admin_agent_records,
     admin_agent_batch,
     admin_dashboard,
@@ -24,6 +25,7 @@ from app.api import (
     integration_sso,
     user,
     voice,
+    behavior,
 )
 
 api_router = APIRouter()
@@ -34,10 +36,12 @@ api_router.include_router(user.router, prefix="/user", tags=["user"])
 api_router.include_router(voice.router, prefix="/voice", tags=["voice"])
 api_router.include_router(chat.router, prefix="/chat", tags=["chat"])
 api_router.include_router(feedback.router, prefix="/feedback", tags=["feedback"])
+api_router.include_router(behavior.router, prefix="/behavior", tags=["user-behavior"])
 api_router.include_router(admin_auth.router, prefix="/admin", tags=["admin"])
 api_router.include_router(admin_management.router, prefix="/admin", tags=["admin-management"])
 guard = [Depends(enforce_admin_access)]
 api_router.include_router(admin_content_generation.router, prefix="/admin", tags=["admin-content-generation"], dependencies=guard)
+api_router.include_router(admin_user_behavior.router, prefix="/admin", tags=["admin-user-behavior"], dependencies=guard)
 api_router.include_router(admin_agent_records.router, prefix="/admin", tags=["admin-agent-records"], dependencies=guard)
 api_router.include_router(admin_agent_batch.router, prefix="/admin", tags=["admin-agent-batch"], dependencies=guard)
 api_router.include_router(admin_dashboard.router, prefix="/admin", tags=["admin"], dependencies=guard)