docs: update descriptions in delete_text_file_contents and insert_text_file_contents handlers to clarify the requirement for file_hash from get_text_file_contents

Author: tumf

src/mcp_text_editor/handlers/delete_text_file_contents.py

@@ -17,7 +17,7 @@ class DeleteTextFileContentsHandler(BaseHandler):
     """Handler for deleting content from a text file."""
 
     name = "delete_text_file_contents"
-    description = "Delete specified content ranges from a text file. The file must exist. File paths must be absolute."
+    description = "Delete specified content ranges from a text file. The file must exist. File paths must be absolute. You need to provide the file_hash comes from get_text_file_contents."
 
     def get_tool_description(self) -> Tool:
         """Get the tool description."""

src/mcp_text_editor/handlers/insert_text_file_contents.py

@@ -17,7 +17,7 @@ class InsertTextFileContentsHandler(BaseHandler):
     """Handler for inserting content before or after a specific line in a text file."""
 
     name = "insert_text_file_contents"
-    description = "Insert content before or after a specific line in a text file. Uses hash-based validation for concurrency control."
+    description = "Insert content before or after a specific line in a text file. Uses hash-based validation for concurrency control. You need to provide the file_hash comes from get_text_file_contents."
 
     def get_tool_description(self) -> Tool:
         """Get the tool description."""