fix: 文件上传不再添加文件名标记，内容自然融入消息

main.py

@@ -382,6 +382,205 @@ async def get_config(db: Session = Depends(get_db)):
     }
 
 
+@app.get("/api/admin/ai-config")
+async def get_ai_config(db: Session = Depends(get_db)):
+    """获取AI配置"""
+    configs = {c.key: c.value for c in db.query(SystemConfig).filter(SystemConfig.key.startswith('ai_')).all()}
+    
+    return {
+        "api_base": configs.get('ai_api_base', 'http://192.168.2.17:19007/v1'),
+        "api_key": configs.get('ai_api_key', 'xxxx'),
+        "model": configs.get('ai_model', 'auto'),
+        "use_mock": ai_service.use_mock
+    }
+
+
+@app.post("/api/admin/ai-config")
+async def update_ai_config(data: dict, db: Session = Depends(get_db)):
+    """更新AI配置"""
+    api_base = data.get("api_base")
+    api_key = data.get("api_key")
+    model = data.get("model")
+    
+    if api_base:
+        config = db.query(SystemConfig).filter(SystemConfig.key == 'ai_api_base').first()
+        if config:
+            config.value = api_base
+        else:
+            config = SystemConfig(key='ai_api_base', value=api_base, description='AI API地址')
+            db.add(config)
+    
+    if api_key:
+        config = db.query(SystemConfig).filter(SystemConfig.key == 'ai_api_key').first()
+        if config:
+            config.value = api_key
+        else:
+            config = SystemConfig(key='ai_api_key', value=api_key, description='AI API密钥')
+            db.add(config)
+    
+    if model:
+        config = db.query(SystemConfig).filter(SystemConfig.key == 'ai_model').first()
+        if config:
+            config.value = model
+        else:
+            config = SystemConfig(key='ai_model', value=model, description='AI模型名称')
+            db.add(config)
+    
+    db.commit()
+    
+    # 更新AI服务配置
+    configs = {c.key: c.value for c in db.query(SystemConfig).filter(SystemConfig.key.startswith('ai_')).all()}
+    ai_service.update_config(
+        configs.get('ai_api_base', 'http://192.168.2.17:19007/v1'),
+        configs.get('ai_api_key', 'xxxx'),
+        configs.get('ai_model', 'auto')
+    )
+    
+    return {"success": True, "message": "AI配置已更新"}
+
+
+@app.get("/api/admin/models")
+async def get_available_models(db: Session = Depends(get_db)):
+    """获取可用模型列表"""
+    import httpx
+    
+    # 从数据库读取最新配置
+    configs = {c.key: c.value for c in db.query(SystemConfig).filter(SystemConfig.key.startswith('ai_')).all()}
+    api_base = configs.get('ai_api_base', '')
+    api_key = configs.get('ai_api_key', 'xxxx')
+    
+    if not api_base:
+        # 返回默认模型列表
+        return {
+            "models": [
+                {"id": "auto", "name": "auto (自动选择)", "owned_by": "system"},
+                {"id": "qwen3.5-4b", "name": "qwen3.5-4b", "owned_by": "local"},
+                {"id": "dsv32", "name": "dsv32", "owned_by": "deepseek"},
+                {"id": "glm-4", "name": "glm-4", "owned_by": "zhipu"},
+                {"id": "gpt-4o", "name": "gpt-4o", "owned_by": "openai"},
+                {"id": "claude-3-opus", "name": "claude-3-opus", "owned_by": "anthropic"}
+            ],
+            "success": False,
+            "message": "请先配置API地址"
+        }
+    
+    try:
+        # 从当前配置的API地址获取模型列表
+        url = f"{api_base}/models"
+        headers = {"Authorization": f"Bearer {api_key}"}
+        
+        logger.info(f"获取模型列表: url={url}")
+        
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.get(url, headers=headers)
+            if response.status_code == 200:
+                data = response.json()
+                models = []
+                for m in data.get('data', []):
+                    model_id = m.get('id', '')
+                    if model_id:
+                        models.append({
+                            "id": model_id,
+                            "name": m.get('name', model_id),
+                            "owned_by": m.get('owned_by', 'unknown')
+                        })
+                return {"models": models, "success": True}
+    except Exception as e:
+        logger.error(f"获取模型列表失败: {e}")
+    
+    # 返回默认模型列表
+    return {
+        "models": [
+            {"id": "auto", "name": "auto (自动选择)", "owned_by": "system"},
+            {"id": "qwen3.5-4b", "name": "qwen3.5-4b", "owned_by": "local"},
+            {"id": "dsv32", "name": "dsv32", "owned_by": "deepseek"},
+            {"id": "glm-4", "name": "glm-4", "owned_by": "zhipu"},
+            {"id": "gpt-4o", "name": "gpt-4o", "owned_by": "openai"},
+            {"id": "claude-3-opus", "name": "claude-3-opus", "owned_by": "anthropic"}
+        ],
+        "success": False,
+        "message": "无法从API获取模型列表，显示默认列表"
+    }
+
+
+@app.post("/api/admin/test-ai")
+async def test_ai_connection(db: Session = Depends(get_db)):
+    """测试AI连接"""
+    import httpx
+    
+    # 从数据库读取最新配置，如果没有则使用默认值
+    configs = {c.key: c.value for c in db.query(SystemConfig).filter(SystemConfig.key.startswith('ai_')).all()}
+    
+    # 使用数据库值或默认值
+    api_base = configs.get('ai_api_base') or 'http://192.168.2.17:19007/v1'
+    api_key = configs.get('ai_api_key') or 'xxxx'
+    model = configs.get('ai_model') or 'auto'
+    
+    # 判断是否使用默认值
+    using_defaults = not configs.get('ai_api_base')
+    
+    try:
+        url = f"{api_base}/chat/completions"
+        headers = {
+            "Authorization": f"Bearer {api_key}",
+            "Content-Type": "application/json"
+        }
+        payload = {
+            "model": model,
+            "messages": [{"role": "user", "content": "测试连接"}],
+            "max_tokens": 50
+        }
+        
+        logger.info(f"测试AI连接: url={url}, model={model}, using_defaults={using_defaults}")
+        
+        async with httpx.AsyncClient(timeout=15.0) as client:
+            response = await client.post(url, headers=headers, json=payload)
+            if response.status_code == 200:
+                data = response.json()
+                content = data['choices'][0]['message']['content']
+                
+                result = {
+                    "success": True,
+                    "message": f"连接成功！模型响应: {content[:100]}",
+                    "model": model,
+                    "api_base": api_base
+                }
+                
+                if using_defaults:
+                    result["message"] += "\n（使用默认配置，点击「保存配置」可持久化）"
+                
+                return result
+            else:
+                error_text = response.text[:200] if response.text else ""
+                return {
+                    "success": False,
+                    "message": f"连接失败: HTTP {response.status_code} - {error_text}",
+                    "model": model,
+                    "api_base": api_base
+                }
+    except httpx.ConnectError as e:
+        return {
+            "success": False,
+            "message": f"无法连接到API地址: {api_base}",
+            "model": model,
+            "api_base": api_base
+        }
+    except httpx.TimeoutException:
+        return {
+            "success": False,
+            "message": f"连接超时（15秒）",
+            "model": model,
+            "api_base": api_base
+        }
+    except Exception as e:
+        return {
+            "success": False,
+            "message": f"连接失败: {str(e)}",
+            "model": model,
+            "api_base": api_base
+        }
+
+
 @app.post("/api/admin/config")
 async def update_config(data: dict, db: Session = Depends(get_db)):
     """更新系统配置"""