placeholder configuration

src/knowlang/chat_bot/chat_interface.py

@@ -195,7 +195,7 @@ class CodeQAChatInterface:
             
             msg = gr.Textbox(
                 label="Ask about the codebase",
-                placeholder="what are the key components required to implement a new quantization method?",
+                placeholder=self.config.chat.interface_placeholder,
                 container=False,
                 scale=7
             )

src/knowlang/configs/chat_config.py

@@ -21,6 +21,10 @@ class ChatConfig(BaseSettings):
         default="Ask questions about the codebase and I'll help you understand it!",
         description="Description shown in the chat interface"
     )
+    interface_placeholder: str = Field(
+        default="Ask about the codebase",
+        description="Placeholder text in the chat interface"
+    )
     max_length_per_chunk: int = Field(
         default=8000,
         description="Maximum number of characters per chunk"