Revert "model and statistic"

api/app/services/llm_router.py

@@ -5,7 +5,6 @@ import uuid
 from typing import Dict, Any, List, Optional, Tuple
 from sqlalchemy.orm import Session
 
-from app.repositories.model_repository import ModelApiKeyRepository
 from app.services.conversation_state_manager import ConversationStateManager
 from app.models import ModelConfig, AgentConfig
 from app.core.logging_config import get_business_logger
@@ -383,14 +382,11 @@ class LLMRouter:
             from app.core.models.base import RedBearModelConfig
             from app.models import ModelApiKey, ModelType
             
-            # 获取 API Key 配置（通过关联关系）
-            # api_key_config = self.db.query(ModelApiKey).join(
-            #     ModelConfig, ModelApiKey.model_configs
-            # ).filter(ModelConfig.id == self.routing_model_config.id,
-            #     ModelApiKey.is_active == True
-            # ).first()
-            api_keys = ModelApiKeyRepository.get_by_model_config(self.db, self.routing_model_config.id)
-            api_key_config = api_keys[0] if api_keys else None
+            # 获取 API Key 配置
+            api_key_config = self.db.query(ModelApiKey).filter(
+                ModelApiKey.model_config_id == self.routing_model_config.id,
+                ModelApiKey.is_active
+            ).first()
             
             if not api_key_config:
                 raise Exception("路由模型没有可用的 API Key")
@@ -423,9 +419,6 @@ class LLMRouter:
             
             # 调用模型
             response = await llm.ainvoke(prompt)
-
-            from app.services.model_service import ModelApiKeyService
-            ModelApiKeyService.record_api_key_usage(self.db, api_key_config.id)
             
             # 提取响应内容
             if hasattr(response, 'content'):