src/lib/components/TranscriptEditor.svelte

@@ -60,12 +60,25 @@
   function finishEditing(segmentId: string) {
     const trimmed = editText.trim();
     if (trimmed) {
-      // Update the segment text in the store
+      // Update the segment text and rebuild words from the edited text.
+      // The display renders segment.words, so we must update them too.
       segments.update(segs => segs.map(s => {
         if (s.id !== segmentId) return s;
+        // Rebuild words from the edited text, preserving timing from the
+        // original segment boundaries (individual word timing is lost on edit)
+        const newWords = trimmed.split(/\s+/).map((word, widx) => ({
+          id: `${s.id}-word-${widx}`,
+          segment_id: s.id,
+          word,
+          start_ms: s.start_ms,
+          end_ms: s.end_ms,
+          confidence: 1.0,
+          word_index: widx,
+        }));
         return {
           ...s,
           text: trimmed,
+          words: newWords,
           original_text: s.original_text ?? s.text,
           is_edited: true,
           edited_at: new Date().toISOString(),