docs: reduce default page_size to 20 for lighter payloads

README.md

@@ -129,7 +129,7 @@ uv run python -m m2_mcp
 
 ## 分页规则
 
-- 默认 `page_size=100`
+- 默认 `page_size=20`
 - 由调用方显式传 `page_num`
 - 服务不自动翻页
 - 如果当前页后面还有数据，返回中会附带 `mcp_note`
@@ -141,7 +141,7 @@ uv run python -m m2_mcp
   "state": 0,
   "state_info": "OK",
   "data": {
-    "page_size": 100,
+    "page_size": 20,
     "page_num": 1,
     "total_page": 8,
     "total": 115,

m2_mcp/server.py

@@ -88,7 +88,7 @@ def search_ai_systems(
     page_num: int = 1,
     order_by: list[str] | None = None,
 ) -> Any:
-    """Search AI systems and return system codes."""
+    """Search AI systems and return system codes. Default page_size is 20 unless explicitly overridden."""
     payload = api_search_ai_systems(
         project_key,
         keyword=keyword,
@@ -108,7 +108,7 @@ def search_ai_rcmd_operations(
     page_num: int = 1,
     order: str = "-create_time",
 ) -> Any:
-    """Search AI strategy records by AI system code. auto_exec=true means auto control, otherwise recommendation only."""
+    """Search AI strategy records by AI system code. Default page_size is 20 unless explicitly overridden. auto_exec=true means auto control, otherwise recommendation only."""
     payload = api_search_ai_rcmd_operations(
         project_key,
         codes=codes,