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fix: prevent @ in pasted content from triggering mention mode #104

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Merged
GCWing merged 1 commit into from
Mar 10, 2026
Merged

fix: prevent @ in pasted content from triggering mention mode #104

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15 changes: 13 additions & 2 deletions src/web-ui/src/flow_chat/components/RichTextInput.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -330,10 +330,21 @@ export const RichTextInput = React.forwardRef<HTMLDivElement, RichTextInputProps
return;
}

// Plain text paste
// Plain text paste - close any active mention to prevent @ in pasted content from triggering mention mode
if (mentionStateRef.current.isActive) {
mentionStateRef.current = { isActive: false, query: '', startOffset: 0 };
onMentionStateChange?.({ isActive: false, query: '', startOffset: 0 });
}

const text = e.clipboardData.getData('text/plain');
document.execCommand('insertText', false, text);
}, []);

// Mark that we just pasted to prevent mention detection in the next input event
isComposingRef.current = true;
requestAnimationFrame(() => {
isComposingRef.current = false;
});
}, [onMentionStateChange]);

const handleKeyDown = useCallback((e: React.KeyboardEvent) => {
const nativeIsComposing = (e.nativeEvent as KeyboardEvent).isComposing;
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