feat(subtitles): add no-jump subtitle-delay shift commands

src/main/dependencies.ts

@@ -180,6 +180,7 @@ export interface MpvCommandRuntimeServiceDepsParams {
   showMpvOsd: HandleMpvCommandFromIpcOptions['showMpvOsd'];
   mpvReplaySubtitle: HandleMpvCommandFromIpcOptions['mpvReplaySubtitle'];
   mpvPlayNextSubtitle: HandleMpvCommandFromIpcOptions['mpvPlayNextSubtitle'];
+  shiftSubDelayToAdjacentSubtitle: HandleMpvCommandFromIpcOptions['shiftSubDelayToAdjacentSubtitle'];
   mpvSendCommand: HandleMpvCommandFromIpcOptions['mpvSendCommand'];
   isMpvConnected: HandleMpvCommandFromIpcOptions['isMpvConnected'];
   hasRuntimeOptionsManager: HandleMpvCommandFromIpcOptions['hasRuntimeOptionsManager'];
@@ -328,6 +329,7 @@ export function createMpvCommandRuntimeServiceDeps(
     showMpvOsd: params.showMpvOsd,
     mpvReplaySubtitle: params.mpvReplaySubtitle,
     mpvPlayNextSubtitle: params.mpvPlayNextSubtitle,
+    shiftSubDelayToAdjacentSubtitle: params.shiftSubDelayToAdjacentSubtitle,
     mpvSendCommand: params.mpvSendCommand,
     isMpvConnected: params.isMpvConnected,
     hasRuntimeOptionsManager: params.hasRuntimeOptionsManager,

src/main/ipc-mpv-command.ts

@@ -10,6 +10,7 @@ export interface MpvCommandFromIpcRuntimeDeps {
   showMpvOsd: (text: string) => void;
   replayCurrentSubtitle: () => void;
   playNextSubtitle: () => void;
+  shiftSubDelayToAdjacentSubtitle: (direction: 'next' | 'previous') => Promise<void>;
   sendMpvCommand: (command: (string | number)[]) => void;
   isMpvConnected: () => boolean;
   hasRuntimeOptionsManager: () => boolean;
@@ -29,6 +30,8 @@ export function handleMpvCommandFromIpcRuntime(
       showMpvOsd: deps.showMpvOsd,
       mpvReplaySubtitle: deps.replayCurrentSubtitle,
       mpvPlayNextSubtitle: deps.playNextSubtitle,
+      shiftSubDelayToAdjacentSubtitle: (direction) =>
+        deps.shiftSubDelayToAdjacentSubtitle(direction),
       mpvSendCommand: deps.sendMpvCommand,
       isMpvConnected: deps.isMpvConnected,
       hasRuntimeOptionsManager: deps.hasRuntimeOptionsManager,

src/main/runtime/composers/ipc-runtime-composer.test.ts

@@ -14,6 +14,7 @@ test('composeIpcRuntimeHandlers returns callable IPC handlers and registration b
       showMpvOsd: () => {},
       replayCurrentSubtitle: () => {},
       playNextSubtitle: () => {},
+      shiftSubDelayToAdjacentSubtitle: async () => {},
       sendMpvCommand: () => {},
       isMpvConnected: () => false,
       hasRuntimeOptionsManager: () => true,

src/main/runtime/ipc-bridge-actions-main-deps.test.ts

@@ -17,6 +17,7 @@ test('ipc bridge action main deps builders map callbacks', async () => {
       showMpvOsd: () => {},
       replayCurrentSubtitle: () => {},
       playNextSubtitle: () => {},
+      shiftSubDelayToAdjacentSubtitle: async () => {},
       sendMpvCommand: () => {},
       isMpvConnected: () => true,
       hasRuntimeOptionsManager: () => true,

src/main/runtime/ipc-bridge-actions.test.ts

@@ -14,6 +14,7 @@ test('handle mpv command handler forwards command and built deps', () => {
     showMpvOsd: () => {},
     replayCurrentSubtitle: () => {},
     playNextSubtitle: () => {},
+    shiftSubDelayToAdjacentSubtitle: async () => {},
     sendMpvCommand: () => {},
     isMpvConnected: () => true,
     hasRuntimeOptionsManager: () => true,

src/main/runtime/ipc-mpv-command-main-deps.test.ts

@@ -11,6 +11,9 @@ test('ipc mpv command main deps builder maps callbacks', () => {
     showMpvOsd: (text) => calls.push(`osd:${text}`),
     replayCurrentSubtitle: () => calls.push('replay'),
     playNextSubtitle: () => calls.push('next'),
+    shiftSubDelayToAdjacentSubtitle: async (direction) => {
+      calls.push(`shift:${direction}`);
+    },
     sendMpvCommand: (command) => calls.push(`cmd:${command.join(':')}`),
     isMpvConnected: () => true,
     hasRuntimeOptionsManager: () => false,
@@ -22,6 +25,7 @@ test('ipc mpv command main deps builder maps callbacks', () => {
   deps.showMpvOsd('hello');
   deps.replayCurrentSubtitle();
   deps.playNextSubtitle();
+  void deps.shiftSubDelayToAdjacentSubtitle('next');
   deps.sendMpvCommand(['show-text', 'ok']);
   assert.equal(deps.isMpvConnected(), true);
   assert.equal(deps.hasRuntimeOptionsManager(), false);
@@ -31,6 +35,7 @@ test('ipc mpv command main deps builder maps callbacks', () => {
     'osd:hello',
     'replay',
     'next',
+    'shift:next',
     'cmd:show-text:ok',
   ]);
 });

src/main/runtime/ipc-mpv-command-main-deps.ts

@@ -10,6 +10,8 @@ export function createBuildMpvCommandFromIpcRuntimeMainDepsHandler(
     showMpvOsd: (text: string) => deps.showMpvOsd(text),
     replayCurrentSubtitle: () => deps.replayCurrentSubtitle(),
     playNextSubtitle: () => deps.playNextSubtitle(),
+    shiftSubDelayToAdjacentSubtitle: (direction) =>
+      deps.shiftSubDelayToAdjacentSubtitle(direction),
     sendMpvCommand: (command: (string | number)[]) => deps.sendMpvCommand(command),
     isMpvConnected: () => deps.isMpvConnected(),
     hasRuntimeOptionsManager: () => deps.hasRuntimeOptionsManager(),