feat(subtitle-sidebar): add sidebar runtime and modal plumbing

src/core/services/ipc.test.ts

@@ -3,6 +3,7 @@ import assert from 'node:assert/strict';
 
 import { createIpcDepsRuntime, registerIpcHandlers, type IpcServiceDeps } from './ipc';
 import { IPC_CHANNELS } from '../../shared/ipc/contracts';
+import type { SubtitleSidebarSnapshot } from '../../types';
 
 interface FakeIpcRegistrar {
   on: Map<string, (event: unknown, ...args: unknown[]) => void>;
@@ -77,6 +78,30 @@ function createControllerConfigFixture() {
   };
 }
 
+function createSubtitleSidebarSnapshotFixture(): SubtitleSidebarSnapshot {
+  return {
+    cues: [],
+    currentSubtitle: { text: '', startTime: null, endTime: null },
+    config: {
+      enabled: false,
+      layout: 'overlay',
+      toggleKey: 'Backslash',
+      pauseVideoOnHover: false,
+      autoScroll: true,
+      maxWidth: 420,
+      opacity: 0.92,
+      backgroundColor: 'rgba(54, 58, 79, 0.88)',
+      textColor: '#cad3f5',
+      fontFamily: '"M PLUS 1", "Noto Sans CJK JP", sans-serif',
+      fontSize: 16,
+      timestampColor: '#a5adcb',
+      activeLineColor: '#f5bde6',
+      activeLineBackgroundColor: 'rgba(138, 173, 244, 0.22)',
+      hoverLineBackgroundColor: 'rgba(54, 58, 79, 0.84)',
+    },
+  };
+}
+
 function createRegisterIpcDeps(overrides: Partial<IpcServiceDeps> = {}): IpcServiceDeps {
   return {
     onOverlayModalClosed: () => {},
@@ -88,6 +113,7 @@ function createRegisterIpcDeps(overrides: Partial<IpcServiceDeps> = {}): IpcServ
     tokenizeCurrentSubtitle: async () => null,
     getCurrentSubtitleRaw: () => '',
     getCurrentSubtitleAss: () => '',
+    getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
     getPlaybackPaused: () => false,
     getSubtitlePosition: () => null,
     getSubtitleStyle: () => null,
@@ -173,6 +199,7 @@ test('createIpcDepsRuntime wires AniList handlers', async () => {
     tokenizeCurrentSubtitle: async () => null,
     getCurrentSubtitleRaw: () => '',
     getCurrentSubtitleAss: () => '',
+    getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
     getPlaybackPaused: () => true,
     getSubtitlePosition: () => null,
     getSubtitleStyle: () => null,
@@ -269,6 +296,7 @@ test('registerIpcHandlers rejects malformed runtime-option payloads', async () =
         cycles.push({ id, direction });
         return { ok: true };
       },
+      getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
       reportOverlayContentBounds: () => {},
       getAnilistStatus: () => ({}),
       clearAnilistToken: () => {},
@@ -320,6 +348,24 @@ test('registerIpcHandlers rejects malformed runtime-option payloads', async () =
   );
 });
 
+test('registerIpcHandlers exposes subtitle sidebar snapshot request', async () => {
+  const { registrar, handlers } = createFakeIpcRegistrar();
+  const snapshot = createSubtitleSidebarSnapshotFixture();
+  snapshot.cues = [{ startTime: 1, endTime: 2, text: 'line-1' }];
+  snapshot.config.enabled = true;
+
+  registerIpcHandlers(
+    createRegisterIpcDeps({
+      getSubtitleSidebarSnapshot: async () => snapshot,
+    }),
+    registrar,
+  );
+
+  const handler = handlers.handle.get(IPC_CHANNELS.request.getSubtitleSidebarSnapshot);
+  assert.ok(handler);
+  assert.deepEqual(await handler!({}), snapshot);
+});
+
 test('registerIpcHandlers forwards yomitan lookup tracking commands to immersion tracker', () => {
   const { registrar, handlers } = createFakeIpcRegistrar();
   const calls: string[] = [];
@@ -530,6 +576,7 @@ test('registerIpcHandlers ignores malformed fire-and-forget payloads', () => {
       tokenizeCurrentSubtitle: async () => null,
       getCurrentSubtitleRaw: () => '',
       getCurrentSubtitleAss: () => '',
+      getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
       getPlaybackPaused: () => false,
       getSubtitlePosition: () => null,
       getSubtitleStyle: () => null,
@@ -596,6 +643,7 @@ test('registerIpcHandlers awaits saveControllerPreference through request-respon
       tokenizeCurrentSubtitle: async () => null,
       getCurrentSubtitleRaw: () => '',
       getCurrentSubtitleAss: () => '',
+      getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
       getPlaybackPaused: () => false,
       getSubtitlePosition: () => null,
       getSubtitleStyle: () => null,
@@ -667,6 +715,7 @@ test('registerIpcHandlers rejects malformed controller preference payloads', asy
       tokenizeCurrentSubtitle: async () => null,
       getCurrentSubtitleRaw: () => '',
       getCurrentSubtitleAss: () => '',
+      getSubtitleSidebarSnapshot: async () => createSubtitleSidebarSnapshotFixture(),
       getPlaybackPaused: () => false,
       getSubtitlePosition: () => null,
       getSubtitleStyle: () => null,

src/core/services/ipc.ts

@@ -6,6 +6,7 @@ import type {
   ResolvedControllerConfig,
   RuntimeOptionId,
   RuntimeOptionValue,
+  SubtitleSidebarSnapshot,
   SubtitlePosition,
   SubsyncManualRunRequest,
   SubsyncResult,
@@ -37,6 +38,7 @@ export interface IpcServiceDeps {
   tokenizeCurrentSubtitle: () => Promise<unknown>;
   getCurrentSubtitleRaw: () => string;
   getCurrentSubtitleAss: () => string;
+  getSubtitleSidebarSnapshot?: () => Promise<SubtitleSidebarSnapshot>;
   getPlaybackPaused: () => boolean | null;
   getSubtitlePosition: () => unknown;
   getSubtitleStyle: () => unknown;
@@ -143,6 +145,7 @@ export interface IpcDepsRuntimeOptions {
   tokenizeCurrentSubtitle: () => Promise<unknown>;
   getCurrentSubtitleRaw: () => string;
   getCurrentSubtitleAss: () => string;
+  getSubtitleSidebarSnapshot?: () => Promise<SubtitleSidebarSnapshot>;
   getPlaybackPaused: () => boolean | null;
   getSubtitlePosition: () => unknown;
   getSubtitleStyle: () => unknown;
@@ -190,6 +193,7 @@ export function createIpcDepsRuntime(options: IpcDepsRuntimeOptions): IpcService
     tokenizeCurrentSubtitle: options.tokenizeCurrentSubtitle,
     getCurrentSubtitleRaw: options.getCurrentSubtitleRaw,
     getCurrentSubtitleAss: options.getCurrentSubtitleAss,
+    getSubtitleSidebarSnapshot: options.getSubtitleSidebarSnapshot,
     getPlaybackPaused: options.getPlaybackPaused,
     getSubtitlePosition: options.getSubtitlePosition,
     getSubtitleStyle: options.getSubtitleStyle,
@@ -321,6 +325,13 @@ export function registerIpcHandlers(deps: IpcServiceDeps, ipc: IpcMainRegistrar
     return deps.getCurrentSubtitleAss();
   });
 
+  ipc.handle(IPC_CHANNELS.request.getSubtitleSidebarSnapshot, async () => {
+    if (!deps.getSubtitleSidebarSnapshot) {
+      throw new Error('Subtitle sidebar snapshot is unavailable.');
+    }
+    return await deps.getSubtitleSidebarSnapshot();
+  });
+
   ipc.handle(IPC_CHANNELS.request.getPlaybackPaused, () => {
     return deps.getPlaybackPaused();
   });

src/core/services/subtitle-cue-parser.ts

@@ -183,7 +183,13 @@ export function parseSubtitleCues(content: string, filename: string): SubtitleCu
       cues = parseAssCues(content);
       break;
     default:
-      return [];
+      cues = [];
+  }
+
+  if (cues.length === 0) {
+    const assCues = parseAssCues(content);
+    const srtCues = parseSrtCues(content);
+    cues = assCues.length >= srtCues.length ? assCues : srtCues;
   }
 
   cues.sort((a, b) => a.startTime - b.startTime);