feat(server): 完善 LLM 集成基础设施与规则配置

apps/server/main.py

@@ -11,8 +11,13 @@ import logging
 from api import detection, models
 from api.alerts import get_broadcaster
 from api.rtsp import init_stream_manager
+from api.llm import init_llm_api, router as llm_router
+from api.rules import init_rules_api, router as rules_router
+from core.settings import get_settings
 from services.model_service import ModelService
 from services.camera_service import CameraService
+from services.llm_analysis_service import create_llm_service_from_settings
+from services.llm_cost_tracker import init_global_tracker
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
@@ -74,6 +79,29 @@ async def lifespan(app: FastAPI):
     app.include_router(rtsp_router, prefix="/api")
     app.include_router(alerts_router, prefix="")  # WebSocket 路径已带 /ws 前缀
 
+    # 初始化 LLM 集成 (MVP-3)
+    settings = get_settings()
+    llm_service = create_llm_service_from_settings(settings)
+    cost_tracker = init_global_tracker(
+        daily_budget_usd=settings.llm_cost.daily_budget_usd,
+        history_days=settings.llm_cost.history_days,
+        recent_window=settings.llm_cost.recent_window,
+        error_rate_threshold=settings.llm_cost.error_rate_threshold,
+        cooldown_seconds=settings.llm_cost.cooldown_seconds,
+    )
+    init_llm_api(llm_service, cost_tracker)
+    app.include_router(llm_router, prefix="/api")
+    logger.info(
+        "LLM 集成已加载: enabled=%s provider=%s",
+        settings.llm.enabled,
+        settings.llm.provider,
+    )
+
+    # 初始化规则配置 API (MVP-3 / D33)，与 DetectionService 共享同一规则引擎
+    detection_service = detection.get_detection_service(model_service)
+    init_rules_api(lambda: detection_service.rule_engine)
+    app.include_router(rules_router, prefix="/api")
+
     yield
     
     # 关闭时清理资源