image display basic functionality

apis/himalaya/client.py

@@ -133,7 +133,7 @@ async def archive_message(message_id: int) -> bool:
         logging.error(f"Exception during message archiving: {e}")
         return False
 
-async def get_message_content(message_id: int, format: str = "html") -> Tuple[Optional[str], bool]:
+async def get_message_content(message_id: int) -> Tuple[Optional[str], bool]:
     """
     Retrieve the content of a message by its ID.
 
@@ -148,8 +148,7 @@ async def get_message_content(message_id: int, format: str = "html") -> Tuple[Op
     """
     try:
         cmd = f"himalaya message read {message_id}"
-        if format == "text":
-            cmd += " -t"
+
 
         process = await asyncio.create_subprocess_shell(
             cmd,