feat: add stream parsing for DeepSeek SSE responses, centralize model management, and refactor tool call handling.

core/models.py

@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+"""模型定义模块 - 集中管理所有支持的模型"""
+
+# DeepSeek 模型列表（官方模型名称）
+DEEPSEEK_MODELS = [
+    {
+        "id": "deepseek-chat",
+        "object": "model",
+        "created": 1677610602,
+        "owned_by": "deepseek",
+        "permission": [],
+    },
+    {
+        "id": "deepseek-reasoner",
+        "object": "model",
+        "created": 1677610602,
+        "owned_by": "deepseek",
+        "permission": [],
+    },
+    {
+        "id": "deepseek-chat-search",
+        "object": "model",
+        "created": 1677610602,
+        "owned_by": "deepseek",
+        "permission": [],
+    },
+    {
+        "id": "deepseek-reasoner-search",
+        "object": "model",
+        "created": 1677610602,
+        "owned_by": "deepseek",
+        "permission": [],
+    },
+]
+
+# Claude 模型映射列表
+CLAUDE_MODELS = [
+    {
+        "id": "claude-sonnet-4-20250514",
+        "object": "model",
+        "created": 1715635200,
+        "owned_by": "anthropic",
+    },
+    {
+        "id": "claude-sonnet-4-20250514-fast",
+        "object": "model",
+        "created": 1715635200,
+        "owned_by": "anthropic",
+    },
+    {
+        "id": "claude-sonnet-4-20250514-slow",
+        "object": "model",
+        "created": 1715635200,
+        "owned_by": "anthropic",
+    },
+]
+
+
+def get_model_config(model: str) -> tuple[bool, bool]:
+    """根据模型名称获取配置
+    
+    Args:
+        model: 模型名称
+        
+    Returns:
+        (thinking_enabled, search_enabled) 元组
+    """
+    model_lower = model.lower()
+    
+    if model_lower == "deepseek-chat":
+        return False, False
+    elif model_lower == "deepseek-reasoner":
+        return True, False
+    elif model_lower == "deepseek-chat-search":
+        return False, True
+    elif model_lower == "deepseek-reasoner-search":
+        return True, True
+    else:
+        return None, None  # 不支持的模型
+
+
+def get_openai_models_response() -> dict:
+    """获取 OpenAI 格式的模型列表响应"""
+    return {"object": "list", "data": DEEPSEEK_MODELS}
+
+
+def get_claude_models_response() -> dict:
+    """获取 Claude 格式的模型列表响应"""
+    return {"object": "list", "data": CLAUDE_MODELS}
+