feat(anime): auto-open Jimaku for Anime Browser playback

- Add hot-reloadable `anime.autoOpenJimaku` setting
- Pause and resume playback around subtitle selection
- Brand Anime Browser surfaces with the SubMiner logo

src/main/runtime/anime-browser-jimaku-auto-open.test.ts

@@ -0,0 +1,101 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { createAnimeBrowserJimakuAutoOpen } from './anime-browser-jimaku-auto-open';
+
+function createHarness(options?: {
+  enabled?: boolean;
+  animeMedia?: boolean | ((mediaPath: string) => boolean);
+  paused?: boolean | null;
+  opened?: boolean;
+}) {
+  const calls: string[] = [];
+  let currentMediaPath: string | null = null;
+  const runtime = createAnimeBrowserJimakuAutoOpen({
+    isEnabled: () => options?.enabled ?? true,
+    isAnimeBrowserMedia: (mediaPath) =>
+      typeof options?.animeMedia === 'function'
+        ? options.animeMedia(mediaPath)
+        : (options?.animeMedia ?? true),
+    getCurrentMediaPath: () => currentMediaPath,
+    getPlaybackPaused: async () => (options?.paused === undefined ? false : options.paused),
+    setPlaybackPaused: (paused) => calls.push(`pause:${paused}`),
+    closeAnimeBrowserModal: () => calls.push('close-anime-browser'),
+    openJimakuModal: async () => {
+      calls.push('open-jimaku');
+      return options?.opened ?? true;
+    },
+    logWarn: (message) => calls.push(`warn:${message}`),
+  });
+
+  return {
+    calls,
+    runtime,
+    setMediaPath: (mediaPath: string | null) => {
+      currentMediaPath = mediaPath;
+    },
+  };
+}
+
+test('anime browser playback pauses, opens Jimaku, and resumes after subtitle load', async () => {
+  const harness = createHarness();
+  harness.setMediaPath('https://127.0.0.1/stream.m3u8');
+
+  await harness.runtime.handleMediaPathChange('https://127.0.0.1/stream.m3u8');
+  assert.deepEqual(harness.calls, ['pause:true', 'close-anime-browser', 'open-jimaku']);
+
+  harness.runtime.handleJimakuSubtitleLoaded();
+  assert.deepEqual(harness.calls, [
+    'pause:true',
+    'close-anime-browser',
+    'open-jimaku',
+    'pause:false',
+  ]);
+});
+
+test('anime browser playback that was already paused stays paused after subtitle load', async () => {
+  const harness = createHarness({ paused: true });
+  harness.setMediaPath('https://127.0.0.1/stream.m3u8');
+
+  await harness.runtime.handleMediaPathChange('https://127.0.0.1/stream.m3u8');
+  harness.runtime.handleJimakuSubtitleLoaded();
+
+  assert.deepEqual(harness.calls, ['close-anime-browser', 'open-jimaku']);
+});
+
+test('disabled and non-Anime Browser media do not open Jimaku', async () => {
+  const disabled = createHarness({ enabled: false });
+  disabled.setMediaPath('/video.mkv');
+  await disabled.runtime.handleMediaPathChange('/video.mkv');
+  assert.deepEqual(disabled.calls, []);
+
+  const unrelated = createHarness({ animeMedia: false });
+  unrelated.setMediaPath('/video.mkv');
+  await unrelated.runtime.handleMediaPathChange('/video.mkv');
+  assert.deepEqual(unrelated.calls, []);
+});
+
+test('closing Jimaku or failing to open it releases an owned pause', async () => {
+  const closed = createHarness();
+  closed.setMediaPath('https://127.0.0.1/one.m3u8');
+  await closed.runtime.handleMediaPathChange('https://127.0.0.1/one.m3u8');
+  closed.runtime.handleJimakuModalClosed();
+  assert.equal(closed.calls.at(-1), 'pause:false');
+
+  const failed = createHarness({ opened: false });
+  failed.setMediaPath('https://127.0.0.1/two.m3u8');
+  await failed.runtime.handleMediaPathChange('https://127.0.0.1/two.m3u8');
+  assert.equal(failed.calls.at(-1), 'pause:false');
+});
+
+test('leaving Anime Browser playback releases an owned pause', async () => {
+  const harness = createHarness({
+    animeMedia: (mediaPath) => mediaPath.startsWith('https://127.0.0.1/'),
+  });
+  harness.setMediaPath('https://127.0.0.1/stream.m3u8');
+  await harness.runtime.handleMediaPathChange('https://127.0.0.1/stream.m3u8');
+
+  harness.setMediaPath('/video.mkv');
+  await harness.runtime.handleMediaPathChange('/video.mkv');
+
+  assert.equal(harness.calls.at(-1), 'pause:false');
+});

src/main/runtime/anime-browser-jimaku-auto-open.ts

@@ -0,0 +1,89 @@
+export interface AnimeBrowserJimakuAutoOpenDeps {
+  isEnabled: () => boolean;
+  isAnimeBrowserMedia: (mediaPath: string) => boolean;
+  getCurrentMediaPath: () => string | null;
+  getPlaybackPaused: () => Promise<boolean | null>;
+  setPlaybackPaused: (paused: boolean) => void;
+  closeAnimeBrowserModal: () => void;
+  openJimakuModal: () => Promise<boolean>;
+  logWarn: (message: string, error?: unknown) => void;
+}
+
+export interface AnimeBrowserJimakuAutoOpen {
+  handleMediaPathChange: (mediaPath: string | null) => Promise<void>;
+  handleJimakuSubtitleLoaded: () => void;
+  handleJimakuModalClosed: () => void;
+}
+
+interface ActiveFlow {
+  mediaPath: string;
+  ownsPause: boolean;
+}
+
+/** Coordinates the pause owned by the Anime Browser to Jimaku handoff. */
+export function createAnimeBrowserJimakuAutoOpen(
+  deps: AnimeBrowserJimakuAutoOpenDeps,
+): AnimeBrowserJimakuAutoOpen {
+  let activeFlow: ActiveFlow | null = null;
+  let lastMediaPath: string | null = null;
+
+  const isCurrent = (flow: ActiveFlow): boolean =>
+    activeFlow === flow && deps.getCurrentMediaPath()?.trim() === flow.mediaPath;
+
+  const releaseFlow = (flow: ActiveFlow | null): void => {
+    if (!flow || activeFlow !== flow) return;
+    activeFlow = null;
+    if (flow.ownsPause) {
+      deps.setPlaybackPaused(false);
+    }
+  };
+
+  const handleMediaPathChange = async (mediaPath: string | null): Promise<void> => {
+    const normalizedPath = mediaPath?.trim() || null;
+    if (normalizedPath === lastMediaPath) return;
+    lastMediaPath = normalizedPath;
+
+    if (!normalizedPath || !deps.isEnabled() || !deps.isAnimeBrowserMedia(normalizedPath)) {
+      releaseFlow(activeFlow);
+      return;
+    }
+
+    const flow: ActiveFlow = {
+      mediaPath: normalizedPath,
+      ownsPause: activeFlow?.ownsPause ?? false,
+    };
+    activeFlow = flow;
+
+    if (!flow.ownsPause) {
+      try {
+        const paused = await deps.getPlaybackPaused();
+        if (!isCurrent(flow)) return;
+        if (paused === false) {
+          deps.setPlaybackPaused(true);
+          flow.ownsPause = true;
+        }
+      } catch (error) {
+        deps.logWarn('Could not read playback state before opening Jimaku.', error);
+      }
+    }
+
+    if (!isCurrent(flow)) return;
+    deps.closeAnimeBrowserModal();
+
+    try {
+      const opened = await deps.openJimakuModal();
+      if (isCurrent(flow) && !opened) {
+        releaseFlow(flow);
+      }
+    } catch (error) {
+      deps.logWarn('Could not open Jimaku for Anime Browser playback.', error);
+      releaseFlow(flow);
+    }
+  };
+
+  return {
+    handleMediaPathChange,
+    handleJimakuSubtitleLoaded: () => releaseFlow(activeFlow),
+    handleJimakuModalClosed: () => releaseFlow(activeFlow),
+  };
+}