fix: preserve inline comment drafts on focus changes

Keeps typed or pasted comment text when the editor remounts
Prevents focus changes from dismissing active inline comments
Allows cancelling by pressing the selected line number again

packages/ui/src/components/comments/PierreDiffCommentOverlays.tsx

@@ -12,6 +12,7 @@ interface PierreDiffCommentOverlaysProps {
   selection: SelectedLineRange | null;
   editingDraftId: string | null;
   commentText: string;
+  onTextChange: (text: string) => void;
   fileLabel: string;
   onSave: (text: string, range?: SelectedLineRange) => void;
   onCancel: () => void;
@@ -48,6 +49,7 @@ export function PierreDiffCommentOverlays(props: PierreDiffCommentOverlaysProps)
     selection,
     editingDraftId,
     commentText,
+    onTextChange,
     fileLabel,
     onSave,
     onCancel,
@@ -178,6 +180,7 @@ export function PierreDiffCommentOverlays(props: PierreDiffCommentOverlaysProps)
           return createPortal(
             <InlineCommentInput
               initialText={commentText}
+              onTextChange={onTextChange}
               fileLabel={fileLabel}
               lineRange={{
                 start: draft.startLine,
@@ -214,6 +217,7 @@ export function PierreDiffCommentOverlays(props: PierreDiffCommentOverlaysProps)
         return createPortal(
           <InlineCommentInput
             initialText={commentText}
+            onTextChange={onTextChange}
             fileLabel={fileLabel}
             lineRange={selection}
             isEditing={false}