refactor(timeline-editor): complete variable unit renames in modules

- newPixelsPerSecond → newPixelsPerBeat
- maxTime → maxTimeBeats (in waveform render)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/tools/timeline_editor/timeline-playback.js b/tools/timeline_editor/timeline-playback.js
index 5427499..8c84877 100644
--- a/tools/timeline_editor/timeline-playback.js
+++ b/tools/timeline_editor/timeline-playback.js
@@ -108,19 +108,19 @@ export class PlaybackController {
         const canvas = this.dom.waveformCanvas;
         const ctx = canvas.getContext('2d');
 
-        // Calculate maxTime same as timeline
-        let maxTime = 60;
+        // Calculate maxTimeBeats same as timeline
+        let maxTimeBeats = 60;
         for (const seq of this.state.sequences) {
-            maxTime = Math.max(maxTime, seq.startTime + this.SEQUENCE_DEFAULT_DURATION);
+            maxTimeBeats = Math.max(maxTimeBeats, seq.startTime + this.SEQUENCE_DEFAULT_DURATION);
             for (const effect of seq.effects) {
-                maxTime = Math.max(maxTime, seq.startTime + effect.endTime);
+                maxTimeBeats = Math.max(maxTimeBeats, seq.startTime + effect.endTime);
             }
         }
         if (this.state.audioDurationSeconds > 0) {
-            maxTime = Math.max(maxTime, this.state.audioDurationSeconds * this.state.beatsPerSecond);
+            maxTimeBeats = Math.max(maxTimeBeats, this.state.audioDurationSeconds * this.state.beatsPerSecond);
         }
 
-        const w = maxTime * this.state.pixelsPerBeat;
+        const w = maxTimeBeats * this.state.pixelsPerBeat;
         const h = 80;
         canvas.width = w;
         canvas.height = h;
@@ -170,7 +170,7 @@ export class PlaybackController {
         // Beat markers
         ctx.strokeStyle = 'rgba(255, 255, 255, 0.15)';
         ctx.lineWidth = 1;
-        for (let beat = 0; beat <= maxTime; beat++) {
+        for (let beat = 0; beat <= maxTimeBeats; beat++) {
             const x = beat * this.state.pixelsPerBeat;
             ctx.beginPath();
             ctx.moveTo(x, 0);