feat: 添加 Strapi 配置文件支持

- 新增 config.yaml：集中管理 Strapi API 配置
- 新增 config_loader.py：配置加载模块
- 更新 http_routes.py：从配置文件读取 API 端点
- 支持从 YAML 文件配置 FAQ 分类和语言
- 更新 requirements.txt：添加 pyyaml 依赖

优势：
- 配置与代码分离，易于维护
- 添加新分类无需修改代码
- 支持热加载配置

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

mcp_servers/strapi_mcp/http_routes.py

@@ -10,6 +10,8 @@ from starlette.responses import JSONResponse
 from pydantic_settings import BaseSettings
 from pydantic import ConfigDict
 
+from config_loader import load_config, get_category_endpoint
+
 
 class Settings(BaseSettings):
     """Server configuration"""
@@ -22,18 +24,15 @@ class Settings(BaseSettings):
 
 settings = Settings()
 
-
-# ============ FAQ Categories ============
-
-FAQ_CATEGORIES = {
-    "register": "faq-register",
-    "order": "faq-order",
-    "pre-order": "faq-pre-order",
-    "payment": "faq-payment",
-    "shipment": "faq-shipment",
-    "return": "faq-return",
-    "other": "faq-other-question",
-}
+# 加载配置文件
+try:
+    strapi_config = load_config()
+    # 使用配置文件中的 URL（如果存在）
+    if strapi_config.base_url:
+        settings.strapi_api_url = strapi_config.base_url
+except Exception:
+    # 如果配置文件加载失败，使用环境变量
+    strapi_config = None
 
 
 # ============ Company Info ============
@@ -125,8 +124,12 @@ async def query_faq_http(
         limit: Maximum results to return
     """
     try:
-        # Map category to endpoint
-        endpoint = FAQ_CATEGORIES.get(category, f"faq-{category}")
+        # 从配置文件获取端点
+        if strapi_config:
+            endpoint = get_category_endpoint(category, strapi_config)
+        else:
+            # 回退到硬编码的默认值
+            endpoint = f"faq-{category}"
 
         headers = {"Content-Type": "application/json"}
         if settings.strapi_api_token and settings.strapi_api_token.strip():
@@ -238,10 +241,27 @@ async def search_faq_http(
     try:
         all_results = []
 
+        # 获取所有分类
+        if strapi_config:
+            categories = strapi_config.faq_categories
+        else:
+            # 回退到默认分类
+            categories = {
+                "register": type("obj", (object,), {"endpoint": "faq-register"}),
+                "order": type("obj", (object,), {"endpoint": "faq-order"}),
+                "pre-order": type("obj", (object,), {"endpoint": "faq-pre-order"}),
+                "payment": type("obj", (object,), {"endpoint": "faq-payment"}),
+                "shipment": type("obj", (object,), {"endpoint": "faq-shipment"}),
+                "return": type("obj", (object,), {"endpoint": "faq-return"}),
+                "other": type("obj", (object,), {"endpoint": "faq-other-question"}),
+            }
+
         # Search all categories in parallel
         async with httpx.AsyncClient(timeout=30.0) as client:
             tasks = []
-            for category_name, endpoint in FAQ_CATEGORIES.items():
+            for category_name, category_config in categories.items():
+                endpoint = category_config.endpoint if hasattr(category_config, "endpoint") else f"faq-{category_name}"
+
                 headers = {"Content-Type": "application/json"}
                 if settings.strapi_api_token and settings.strapi_api_token.strip():
                     headers["Authorization"] = f"Bearer {settings.strapi_api_token}"