Merge branch feat/env_database into master

Title: to #65849001 listTables parameter optimization

to #65849001 listTables parameter optimization
Link: https://code.alibaba-inc.com/idb/alibabacloud-dms-mcp-server/codereview/21867869

Author: tianzhen.wtz

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "alibabacloud-dms-mcp-server"
-version = "0.1.5"
+version = "0.1.6"
 description = "MCP Server for AlibabaCloud DMS"
 readme = "README.md"
 authors = [

src/alibabacloud_dms_mcp_server/server.py

@@ -235,10 +235,12 @@ async def get_database(
 
 async def list_tables(  # Renamed from listTable to follow convention
         database_id: str = Field(description="DMS databaseId"),
-        search_name: str = Field(description="Search keyword for table names. % can be used as a wildcard"),
+        search_name: Optional[str] = Field(description="Optional: Search keyword for table names"),
         page_number: int = Field(default=1, description="Pagination page number"),
         page_size: int = Field(default=200, description="Results per page (max 200)")
 ) -> Dict[str, Any]:
+    if not search_name:
+        search_name = "%"
     client = create_client()
     req = dms_enterprise_20181101_models.ListTablesRequest(database_id=database_id, search_name=search_name,
                                                            page_number=page_number, page_size=page_size,
@@ -462,11 +464,13 @@ def _register_configured_db_toolset(self):
                        description="Lists tables in the database. Search by name is supported.",
                        annotations={"title": "List Tables (Pre-configured DB)", "readOnlyHint": True})
         async def list_tables_configured(
-                search_name: str = Field(
-                    description="A non-empty string used as the search keyword to match table names."),
+                search_name: Optional[str] = Field(
+                    description="Optional: A string used as the search keyword to match table names."),
                 page_number: int = Field(description="Pagination page number", default=1),
                 page_size: int = Field(description="Number of results per page", default=200)
         ) -> Dict[str, Any]:
+            if not search_name:
+                search_name = "%"
             return await list_tables(database_id=self.default_database_id, search_name=search_name,
                                      page_number=page_number, page_size=page_size)