OSD: stop appending "· llm-tuned" after applying LLM tweak

The corner title plate should stay clean — the tweak is already
confirmed via the Apply dialog and a toast. Appending to the fileName
made every LLM-tuned export carry an ugly suffix.

Co-Authored-By: Claude <noreply@anthropic.com>

flow-state/src/main.js

@@ -991,9 +991,6 @@ function openLlmTweakDialog(result, specBefore, specAfter, trackBefore, trackAft
             // Swap in — useTrack handles timeline/provider/arc/prewarm
             currentSongSpec = { ...specAfter, seed: newSeed };
             state.show.useTrack(newTrack, newLook);
-            // Keep the displayed name but mark as LLM-tuned
-            state.show.fileName = `${state.show.fileName || 'track'} · llm-tuned`;
-            state.show.osd.setText(state.show.fileName, newLook.personality, newLook.palette);
             strip.setShow(state.show);
             seekTo(0);
             renderPanel();