fix(web): keep editable text stable while typing

web/src/components/MessageComposer.tsx

@@ -37,6 +37,7 @@ export function MessageComposer() {
   const pointerMoveHandlerRef = useRef<((event: globalThis.PointerEvent) => void) | null>(null);
   const pointerUpHandlerRef = useRef<((event: globalThis.PointerEvent) => void) | null>(null);
   const recordingStateRef = useRef<RecordingState>("idle");
+  const lastEditingMessageIdRef = useRef<number | null>(null);
 
   const [isUploading, setIsUploading] = useState(false);
   const [uploadProgress, setUploadProgress] = useState(0);
@@ -73,20 +74,22 @@ export function MessageComposer() {
       if (text !== "") {
         setText("");
       }
+      lastEditingMessageIdRef.current = null;
       return;
     }
     if (editingMessage) {
-      const editingText = editingMessage.text ?? "";
+      if (lastEditingMessageIdRef.current !== editingMessage.id) {
-      if (text !== editingText) {
+        setText(editingMessage.text ?? "");
-        setText(editingText);
       }
+      lastEditingMessageIdRef.current = editingMessage.id;
       return;
     }
+    lastEditingMessageIdRef.current = null;
     const draft = draftsByChat[activeChatId] ?? "";
     if (draft !== text) {
       setText(draft);
     }
-  }, [activeChatId, draftsByChat, text, editingMessage]);
+  }, [activeChatId, draftsByChat, editingMessage, text]);
 
   useEffect(() => {
     return () => {