feat(anki): add waveform-guided timing controls

- Add speech-weighted waveform analysis and playback playhead
- Support dragging, sliding, and keyboard nudging for clip timing

src/types/anki.ts

@@ -49,6 +49,16 @@ export interface MediaTimingReviewPreviewRequest {
   endTime: number;
 }
 
+export interface MediaTimingReviewWaveformRequest {
+  reviewId: string;
+  startTime: number;
+  endTime: number;
+}
+
+export interface MediaTimingReviewWaveformResult extends MediaTimingReviewActionResult {
+  peaks?: number[];
+}
+
 export interface MediaTimingReviewResolveRequest {
   reviewId: string;
   decision: MediaTimingReviewDecision;

src/types/runtime.ts

@@ -7,6 +7,8 @@ import type {
   MediaTimingReviewOpenPayload,
   MediaTimingReviewPreviewRequest,
   MediaTimingReviewResolveRequest,
+  MediaTimingReviewWaveformRequest,
+  MediaTimingReviewWaveformResult,
 } from './anki';
 import type { ChangelogSnapshot } from './changelog';
 import type { ResolvedConfig, ShortcutsConfig } from './config';
@@ -524,6 +526,9 @@ export interface ElectronAPI {
   previewMediaTimingReview: (
     request: MediaTimingReviewPreviewRequest,
   ) => Promise<MediaTimingReviewActionResult>;
+  getMediaTimingReviewWaveform: (
+    request: MediaTimingReviewWaveformRequest,
+  ) => Promise<MediaTimingReviewWaveformResult>;
   stopMediaTimingReviewPreview: (reviewId: string) => Promise<MediaTimingReviewActionResult>;
   resolveMediaTimingReview: (
     request: MediaTimingReviewResolveRequest,