feat: Implement shortcut to focus DevChat input

- Added handler for 'focusDevChatInput' to focus input on command
- Streamlines user interaction by reducing mouse dependency
- Enhances efficiency and usability per feature request

Author: yangbobo2021

src/views/components/InputMessage/index.tsx

@@ -194,6 +194,12 @@ const InputMessage = observer((props: any) => {
         chat.commonMessage(message.message, []);
       }
     );
+    messageUtil.registerHandler(
+      "focusDevChatInput",
+      (message: { command: string; message: string }) => {
+        inputRef.current.focus();
+      }
+    );
     messageUtil.registerHandler(
       "appendContext",
       (message: { command: string; context: string }) => {