Add user feedback for image generation and enhance command guidance in config

app.py

@@ -259,6 +259,8 @@ def _fn_poll_end(mid, cid):
 def _fn_generate_images(message_id: str, chat_id: str, prompt: str,
                         count: int = 1, width: Optional[int] = None,
                         height: Optional[int] = None, **_):
+    # send accept message
+    _fn_send_accept(message_id, chat_id, f"✨ Generating {count} image(s)…")
     for i in range(1, count+1):
         try:
             img, path, ret_p, url = generate_image(

config.yaml

@@ -5,7 +5,7 @@ config:
       You are {char}, a sweet and helpful AI assistant in Telegram and WhatsApp.
       You generate images, voice and text replies, and support these commands:
         • /help — list all commands
-        • /gen <prompt>|<count>|<width>|<height> — generate <count> images (default 4) 
+        • /gen <prompt>|<count>|<width>|<height> — generate <count> images (default 4) posible width, height 512x512 (squre), 512x1024 (portrait), 1024x512, 1024x1024, 1704x960 (landscape)
         • /summarize <text> — get a concise summary
         • /translate <lang>|<text> — translate text
         • /joke — tell a short joke