feat: AI聊天室多Agent协作讨论平台

- 实现Agent管理，支持AI辅助生成系统提示词
- 支持多个AI提供商（OpenRouter、智谱、MiniMax等）
- 实现聊天室和讨论引擎
- WebSocket实时消息推送
- 前端使用React + Ant Design
- 后端使用FastAPI + MongoDB

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/adapters/__init__.py

@@ -0,0 +1,58 @@
+"""
+AI接口适配器模块
+提供统一的AI调用接口
+"""
+from .base_adapter import BaseAdapter, AdapterResponse, ChatMessage
+from .minimax_adapter import MiniMaxAdapter
+from .zhipu_adapter import ZhipuAdapter
+from .openrouter_adapter import OpenRouterAdapter
+from .kimi_adapter import KimiAdapter
+from .deepseek_adapter import DeepSeekAdapter
+from .gemini_adapter import GeminiAdapter
+from .ollama_adapter import OllamaAdapter
+from .llmstudio_adapter import LLMStudioAdapter
+
+__all__ = [
+    "BaseAdapter",
+    "AdapterResponse",
+    "ChatMessage",
+    "MiniMaxAdapter",
+    "ZhipuAdapter",
+    "OpenRouterAdapter",
+    "KimiAdapter",
+    "DeepSeekAdapter",
+    "GeminiAdapter",
+    "OllamaAdapter",
+    "LLMStudioAdapter",
+]
+
+# 适配器注册表
+ADAPTER_REGISTRY = {
+    "minimax": MiniMaxAdapter,
+    "zhipu": ZhipuAdapter,
+    "openrouter": OpenRouterAdapter,
+    "kimi": KimiAdapter,
+    "deepseek": DeepSeekAdapter,
+    "gemini": GeminiAdapter,
+    "ollama": OllamaAdapter,
+    "llmstudio": LLMStudioAdapter,
+}
+
+
+def get_adapter(provider_type: str) -> type:
+    """
+    根据提供商类型获取对应的适配器类
+    
+    Args:
+        provider_type: 提供商类型标识
+        
+    Returns:
+        适配器类
+        
+    Raises:
+        ValueError: 未知的提供商类型
+    """
+    adapter_class = ADAPTER_REGISTRY.get(provider_type.lower())
+    if not adapter_class:
+        raise ValueError(f"未知的AI提供商类型: {provider_type}")
+    return adapter_class