fix: drop stale deferred autoplay-ready signals on media change

- autoplay-ready gate now stamps pending signal with mediaPath and discards it on flush if media has changed
- tokenization warm release skips signaling when current media path is cleared (null)
- tighten regex matchers in main-wiring and overlay-legacy-cleanup tests

changes/fix-managed-playback-overlay-lifecycle.md

@@ -0,0 +1,4 @@
+type: fixed
+area: playback
+
+- Fixed managed mpv startup so launcher-owned videos quit SubMiner when playback ends, background/tray sessions stay alive, and pause-until-ready waits for the overlay and tokenization readiness before playback resumes.

plugin/subminer/environment.lua

@@ -18,9 +18,15 @@ function M.create(ctx)
 
 	local function is_macos()
 		local platform = mp.get_property("platform") or ""
-		if platform == "macos" or platform == "darwin" then
+		if platform ~= "" then
+			local normalized = platform:lower()
+			if normalized == "macos" or normalized == "darwin" or normalized == "osx" then
 				return true
 			end
+			if normalized == "windows" or normalized == "win32" or normalized == "linux" then
+				return false
+			end
+		end
 		local ostype = os.getenv("OSTYPE") or ""
 		return ostype:find("darwin") ~= nil
 	end

plugin/subminer/lifecycle.lua

@@ -1,5 +1,8 @@
 local M = {}
 
+local AUTO_START_SOCKET_RETRY_DELAY_SECONDS = 0.2
+local AUTO_START_SOCKET_RETRY_MAX_ATTEMPTS = 25
+
 function M.create(ctx)
 	local mp = ctx.mp
 	local opts = ctx.opts
@@ -52,6 +55,11 @@ function M.create(ctx)
 		return options_helper.coerce_bool(raw_auto_start, false)
 	end
 
+	local function next_auto_start_retry_generation()
+		state.auto_start_retry_generation = (state.auto_start_retry_generation or 0) + 1
+		return state.auto_start_retry_generation
+	end
+
 	local function rearm_managed_subtitle_defaults()
 		if not process.has_matching_mpv_ipc_socket(opts.socket_path) then
 			return false
@@ -63,13 +71,58 @@ function M.create(ctx)
 		return true
 	end
 
+	local function start_overlay_when_socket_ready(generation, media_identity, same_media_loaded, attempt)
+		if generation ~= state.auto_start_retry_generation then
+			return
+		end
+		if media_identity ~= nil and state.current_media_identity ~= media_identity then
+			return
+		end
+		if not resolve_auto_start_enabled() then
+			schedule_aniskip_fetch("file-loaded", 0)
+			return
+		end
+
+		local has_matching_socket = rearm_managed_subtitle_defaults()
+		if not has_matching_socket then
+			if attempt < AUTO_START_SOCKET_RETRY_MAX_ATTEMPTS then
+				mp.add_timeout(AUTO_START_SOCKET_RETRY_DELAY_SECONDS, function()
+					start_overlay_when_socket_ready(generation, media_identity, same_media_loaded, attempt + 1)
+				end)
+				return
+			end
+			subminer_log(
+				"info",
+				"lifecycle",
+				"Skipping auto-start: input-ipc-server does not match configured socket_path"
+			)
+			schedule_aniskip_fetch("file-loaded", 0)
+			return
+		end
+
+		process.start_overlay({
+			auto_start_trigger = true,
+			socket_path = opts.socket_path,
+			rearm_pause_until_ready = not same_media_loaded,
+		})
+		-- Give the overlay process a moment to initialize before querying AniSkip.
+		schedule_aniskip_fetch("overlay-start", 0.8)
+	end
+
 	local function on_file_loaded()
 		local media_identity = resolve_media_identity()
+		local retry_generation = next_auto_start_retry_generation()
+		local previous_media_identity = state.current_media_identity
 		local same_media_reload = (
 			media_identity ~= nil
 			and state.pending_reload_media_identity ~= nil
 			and media_identity == state.pending_reload_media_identity
 		)
+		local same_media_loaded = (
+			media_identity ~= nil
+			and previous_media_identity ~= nil
+			and media_identity == previous_media_identity
+		)
 		state.pending_reload_media_identity = nil
 		state.current_media_identity = media_identity
 
@@ -92,32 +145,18 @@ function M.create(ctx)
 		if not preserve_active_auto_start_gate then
 			process.disarm_auto_play_ready_gate()
 		end
-		has_matching_socket = rearm_managed_subtitle_defaults()
 
 		if should_auto_start then
-			if not has_matching_socket then
-				subminer_log(
-					"info",
-					"lifecycle",
-					"Skipping auto-start: input-ipc-server does not match configured socket_path"
-				)
-				schedule_aniskip_fetch("file-loaded", 0)
-				return
-			end
-
-			process.start_overlay({
-				auto_start_trigger = true,
-				socket_path = opts.socket_path,
-			})
-			-- Give the overlay process a moment to initialize before querying AniSkip.
-			schedule_aniskip_fetch("overlay-start", 0.8)
+			start_overlay_when_socket_ready(retry_generation, media_identity, same_media_loaded, 1)
 			return
 		end
 
+		rearm_managed_subtitle_defaults()
 		schedule_aniskip_fetch("file-loaded", 0)
 	end
 
 	local function on_shutdown()
+		next_auto_start_retry_generation()
 		aniskip.clear_aniskip_state()
 		hover.clear_hover_overlay()
 		process.disarm_auto_play_ready_gate()
@@ -139,6 +178,8 @@ function M.create(ctx)
 				state.pending_reload_media_identity = state.current_media_identity or resolve_media_identity()
 				return
 			end
+			next_auto_start_retry_generation()
+			state.current_media_identity = nil
 			state.pending_reload_media_identity = nil
 			if state.overlay_running and reason ~= "quit" then
 				process.hide_visible_overlay()

plugin/subminer/process.lua

@@ -207,7 +207,6 @@ function M.create(ctx)
 		end
 
 		if action == "start" then
-			table.insert(args, "--background")
 			table.insert(args, "--managed-playback")
 
 			local backend = resolve_backend(overrides.backend)
@@ -411,7 +410,15 @@ function M.create(ctx)
 			if overrides.auto_start_trigger == true then
 				subminer_log("debug", "process", "Auto-start ignored because overlay is already running")
 				local socket_path = overrides.socket_path or opts.socket_path
-				if not state.auto_play_ready_gate_armed then
+				local should_pause_until_ready = (
+					overrides.rearm_pause_until_ready == true
+					and resolve_visible_overlay_startup()
+					and resolve_pause_until_ready()
+					and has_matching_mpv_ipc_socket(socket_path)
+				)
+				if should_pause_until_ready then
+					arm_auto_play_ready_gate()
+				elseif not state.auto_play_ready_gate_armed then
 					disarm_auto_play_ready_gate()
 				end
 				local visibility_action = resolve_visible_overlay_startup()

plugin/subminer/state.lua

@@ -37,6 +37,7 @@ function M.new()
 		force_ready_overlay_restore = false,
 		current_media_identity = nil,
 		pending_reload_media_identity = nil,
+		auto_start_retry_generation = 0,
 		session_binding_generation = 0,
 		session_binding_names = {},
 		session_numeric_binding_names = {},

scripts/test-plugin-start-gate.lua

@@ -23,6 +23,11 @@ local function run_plugin_scenario(config)
 				return config.platform or "linux"
 			end
 			if name == "input-ipc-server" then
+				if config.input_ipc_server_sequence then
+					config.input_ipc_server_sequence_index = (config.input_ipc_server_sequence_index or 0) + 1
+					local index = config.input_ipc_server_sequence_index
+					return config.input_ipc_server_sequence[index] or config.input_ipc_server_sequence[#config.input_ipc_server_sequence] or ""
+				end
 				return config.input_ipc_server or ""
 			end
 			if name == "filename/no-ext" then
@@ -638,6 +643,97 @@ do
 	)
 end
 
+do
+	local scenario = {
+		process_list = "",
+		option_overrides = {
+			binary_path = binary_path,
+			auto_start = "yes",
+			auto_start_visible_overlay = "yes",
+			auto_start_pause_until_ready = "yes",
+			socket_path = "/tmp/subminer-socket",
+		},
+		input_ipc_server = "/tmp/subminer-socket",
+		path = "/media/episode-01.mkv",
+		media_title = "Episode 1",
+		files = {
+			[binary_path] = true,
+		},
+	}
+	local recorded, err = run_plugin_scenario(scenario)
+	assert_true(recorded ~= nil, "plugin failed to load for new-media rearm scenario: " .. tostring(err))
+	fire_event(recorded, "file-loaded")
+	recorded.script_messages["subminer-autoplay-ready"]()
+	fire_event(recorded, "end-file", { reason = "eof" })
+	scenario.path = "/media/episode-02.mkv"
+	scenario.media_title = "Episode 2"
+	fire_event(recorded, "file-loaded")
+	assert_true(
+		count_start_calls(recorded.async_calls) == 1,
+		"new media after prior playback should reuse the running overlay"
+	)
+	assert_true(
+		count_property_set(recorded.property_sets, "pause", true) == 2,
+		"new media after prior playback should re-arm pause-until-ready"
+	)
+	recorded.script_messages["subminer-autoplay-ready"]()
+	assert_true(
+		count_property_set(recorded.property_sets, "pause", false) == 2,
+		"new media after prior playback should resume only after readiness"
+	)
+end
+
+do
+	local recorded, err = run_plugin_scenario({
+		process_list = "",
+		option_overrides = {
+			binary_path = binary_path,
+			auto_start = "yes",
+			auto_start_visible_overlay = "yes",
+			auto_start_pause_until_ready = "yes",
+			socket_path = "/tmp/subminer-socket",
+		},
+		input_ipc_server_sequence = { "", "", "/tmp/subminer-socket" },
+		media_title = "Random Movie",
+		files = {
+			[binary_path] = true,
+		},
+	})
+	assert_true(recorded ~= nil, "plugin failed to load for delayed socket auto-start scenario: " .. tostring(err))
+	fire_event(recorded, "file-loaded")
+	assert_true(find_start_call(recorded.async_calls) ~= nil, "delayed socket auto-start should eventually issue --start")
+	assert_true(
+		has_property_set(recorded.property_sets, "pause", true),
+		"delayed socket auto-start should arm pause-until-ready once the socket is available"
+	)
+end
+
+do
+	local recorded, err = run_plugin_scenario({
+		process_list = "",
+		platform = "osx",
+		option_overrides = {
+			binary_path = binary_path,
+			auto_start = "yes",
+			auto_start_visible_overlay = "yes",
+			socket_path = "/tmp/subminer-socket",
+		},
+		input_ipc_server = "/tmp/subminer-socket",
+		media_title = "Random Movie",
+		files = {
+			[binary_path] = true,
+		},
+	})
+	assert_true(recorded ~= nil, "plugin failed to load for macOS platform alias scenario: " .. tostring(err))
+	fire_event(recorded, "file-loaded")
+	local start_call = find_start_call(recorded.async_calls)
+	assert_true(start_call ~= nil, "macOS platform alias auto-start should issue --start")
+	assert_true(
+		call_has_arg(start_call, "macos"),
+		"macOS platform alias auto-start should pass macos backend instead of falling back to x11"
+	)
+end
+
 do
 	local recorded, err = run_plugin_scenario({
 		process_list = "",
@@ -661,10 +757,17 @@ do
 	assert_true(call ~= nil, "AppImage start should issue an async subprocess")
 	assert_true(#call.args == 1 and call.args[1] == appimage_path, "AppImage subprocess should not receive raw CLI flags")
 	assert_true(env_has(call, "PATH=/usr/bin"), "AppImage subprocess should preserve existing environment")
-	assert_true(env_has(call, "SUBMINER_APP_ARGC=8"), "AppImage subprocess should transport app arg count")
+	assert_true(env_has(call, "SUBMINER_APP_ARGC=7"), "AppImage subprocess should transport app arg count")
 	assert_true(env_has(call, "SUBMINER_APP_ARG_0=--start"), "AppImage subprocess should transport --start")
-	assert_true(env_has(call, "SUBMINER_APP_ARG_1=--background"), "AppImage subprocess should transport --background")
-	assert_true(env_has(call, "SUBMINER_APP_ARG_7=--hide-visible-overlay"), "AppImage subprocess should transport visibility flag")
+	assert_true(
+		env_has(call, "SUBMINER_APP_ARG_1=--managed-playback"),
+		"AppImage subprocess should transport --managed-playback"
+	)
+	assert_true(
+		not env_has(call, "SUBMINER_APP_ARG_1=--background"),
+		"AppImage subprocess should not transport --background for video-owned playback"
+	)
+	assert_true(env_has(call, "SUBMINER_APP_ARG_6=--hide-visible-overlay"), "AppImage subprocess should transport visibility flag")
 	assert_true(env_has_prefix(call, "SUBMINER_APP_LOG="), "AppImage subprocess should include app log env")
 	assert_true(env_has_prefix(call, "SUBMINER_MPV_LOG="), "AppImage subprocess should include mpv log env")
 	assert_true(
@@ -1170,7 +1273,10 @@ do
 	fire_event(recorded, "file-loaded")
 	local start_call = find_start_call(recorded.async_calls)
 	assert_true(start_call ~= nil, "auto-start should issue --start command")
-	assert_true(call_has_arg(start_call, "--background"), "auto-start should launch SubMiner in background mode")
+	assert_true(
+		not call_has_arg(start_call, "--background"),
+		"auto-start should not mark video-owned playback as background/tray mode"
+	)
 	assert_true(
 		call_has_arg(start_call, "--managed-playback"),
 		"auto-start should mark SubMiner as launcher-managed playback"

src/anki-connect.test.ts

@@ -147,7 +147,10 @@ test('AnkiConnectClient treats negative deck note sample sizes as empty samples'
     },
   };
 
-  assert.deepEqual(await (client as unknown as AnkiConnectClient).fieldNamesForDeck('Mining', -1), []);
+  assert.deepEqual(
+    await (client as unknown as AnkiConnectClient).fieldNamesForDeck('Mining', -1),
+    [],
+  );
   assert.deepEqual(
     calls.map((call) => call.action),
     ['findNotes'],

src/anki-connect.ts

@@ -188,7 +188,10 @@ export class AnkiConnectClient {
     }
 
     const finiteSampleSize = Number.isFinite(sampleSize) ? sampleSize : 0;
-    const normalizedSampleSize = Math.min(noteIds.length, Math.max(0, Math.floor(finiteSampleSize)));
+    const normalizedSampleSize = Math.min(
+      noteIds.length,
+      Math.max(0, Math.floor(finiteSampleSize)),
+    );
     if (normalizedSampleSize === 0) {
       return [];
     }

src/core/services/app-lifecycle.test.ts

@@ -168,3 +168,58 @@ test('startAppLifecycle app ping exits zero immediately when another instance ow
   assert.equal(lockCalls, 1);
   assert.deepEqual(calls, ['exit:0']);
 });
+
+test('startAppLifecycle queues second-instance commands until app ready runtime completes', async () => {
+  const handled: string[] = [];
+  let secondInstanceHandler: ((_event: unknown, argv: string[]) => void) | null = null;
+  let readyHandler: (() => Promise<void>) | null = null;
+  let releaseReady: (() => void) | null = null;
+  const readyFinished = new Promise<void>((resolve) => {
+    releaseReady = resolve;
+  });
+
+  const { deps } = createDeps({
+    shouldStartApp: () => true,
+    onSecondInstance: (handler) => {
+      secondInstanceHandler = handler;
+    },
+    parseArgs: (argv) => makeArgs({ start: argv.includes('--start') }),
+    handleCliCommand: (args, source) => {
+      handled.push(`${source}:${args.start ? 'start' : 'other'}`);
+    },
+    whenReady: (handler) => {
+      readyHandler = handler;
+    },
+    onReady: async () => {
+      await readyFinished;
+      handled.push('ready');
+    },
+  });
+
+  startAppLifecycle(makeArgs({ background: true }), deps);
+
+  const runSecondInstance = (argv: string[]) => {
+    assert.ok(secondInstanceHandler);
+    (secondInstanceHandler as (_event: unknown, argv: string[]) => void)({}, argv);
+  };
+  const runReady = () => {
+    assert.ok(readyHandler);
+    return (readyHandler as () => Promise<void>)();
+  };
+
+  runSecondInstance(['SubMiner', '--start']);
+  assert.deepEqual(handled, []);
+
+  const readyRun = runReady();
+  await Promise.resolve();
+  assert.deepEqual(handled, []);
+
+  assert.ok(releaseReady);
+  (releaseReady as () => void)();
+  await readyRun;
+
+  assert.deepEqual(handled, ['ready', 'second-instance:start']);
+
+  runSecondInstance(['SubMiner', '--start']);
+  assert.deepEqual(handled, ['ready', 'second-instance:start', 'second-instance:start']);
+});

src/core/services/app-lifecycle.ts

@@ -114,9 +114,34 @@ export function startAppLifecycle(initialArgs: CliArgs, deps: AppLifecycleServic
     return;
   }
 
+  let appReadyRuntimeComplete = false;
+  const pendingSecondInstanceCommands: CliArgs[] = [];
+  const handleSecondInstanceCommand = (args: CliArgs): void => {
+    try {
+      deps.handleCliCommand(args, 'second-instance');
+    } catch (error) {
+      logger.error('Failed to handle second-instance CLI command:', error);
+    }
+  };
+
+  const flushPendingSecondInstanceCommands = (): void => {
+    while (pendingSecondInstanceCommands.length > 0) {
+      const nextArgs = pendingSecondInstanceCommands.shift();
+      if (nextArgs) {
+        handleSecondInstanceCommand(nextArgs);
+      }
+    }
+  };
+
   deps.onSecondInstance((_event, argv) => {
     try {
-      deps.handleCliCommand(deps.parseArgs(argv), 'second-instance');
+      const nextArgs = deps.parseArgs(argv);
+      if (!appReadyRuntimeComplete) {
+        pendingSecondInstanceCommands.push(nextArgs);
+        return;
+      }
+
+      handleSecondInstanceCommand(nextArgs);
     } catch (error) {
       logger.error('Failed to handle second-instance CLI command:', error);
     }
@@ -134,6 +159,8 @@ export function startAppLifecycle(initialArgs: CliArgs, deps: AppLifecycleServic
 
   deps.whenReady(async () => {
     await deps.onReady();
+    appReadyRuntimeComplete = true;
+    flushPendingSecondInstanceCommands();
   });
 
   deps.onWindowAllClosed(() => {

src/main.ts

@@ -310,6 +310,7 @@ import {
   importYomitanDictionaryFromZip,
   initializeOverlayAnkiIntegration as initializeOverlayAnkiIntegrationCore,
   initializeOverlayRuntime as initializeOverlayRuntimeCore,
+  isOverlayWindowContentReady,
   jellyfinTicksToSecondsRuntime,
   listJellyfinItemsRuntime,
   listJellyfinLibrariesRuntime,
@@ -361,6 +362,7 @@ import {
   createYoutubePrimarySubtitleNotificationRuntime,
 } from './main/runtime/youtube-primary-subtitle-notification';
 import { createAutoplayReadyGate } from './main/runtime/autoplay-ready-gate';
+import { createAutoplayTokenizationWarmRelease } from './main/runtime/autoplay-tokenization-warm-release';
 import { createManagedLocalSubtitleSelectionRuntime } from './main/runtime/local-subtitle-selection';
 import {
   buildFirstRunSetupHtml,
@@ -400,6 +402,7 @@ import {
 import { createPrepareYoutubePlaybackInMpvHandler } from './main/runtime/youtube-playback-launch';
 import {
   shouldEnsureTrayOnStartupForInitialArgs,
+  shouldQuitOnMpvShutdownForTrayState,
   shouldQuitOnWindowAllClosedForTrayState,
 } from './main/runtime/startup-tray-policy';
 import { createImmersionTrackerStartupHandler } from './main/runtime/immersion-startup';
@@ -1091,6 +1094,13 @@ const autoplayReadyGate = createAutoplayReadyGate({
   signalPluginAutoplayReady: () => {
     sendMpvCommandRuntime(appState.mpvClient, ['script-message', 'subminer-autoplay-ready']);
   },
+  isSignalTargetReady: () => {
+    if (!overlayManager.getVisibleOverlayVisible()) {
+      return true;
+    }
+    const overlayWindow = overlayManager.getMainWindow();
+    return Boolean(overlayWindow && isOverlayWindowContentReady(overlayWindow));
+  },
   schedule: (callback, delayMs) => setTimeout(callback, delayMs),
   logDebug: (message) => logger.debug(message),
 });
@@ -1580,6 +1590,7 @@ function emitSubtitlePayload(payload: SubtitleData): void {
     topX: getResolvedConfig().subtitleStyle.frequencyDictionary.topX,
     mode: getResolvedConfig().subtitleStyle.frequencyDictionary.mode,
   });
+  autoplayReadyGate.maybeSignalPluginAutoplayReady(timedPayload, { forceWhilePaused: true });
   subtitlePrefetchService?.resume();
 }
 const buildSubtitleProcessingControllerMainDepsHandler =
@@ -3415,6 +3426,7 @@ const {
     restoreMpvSubVisibility: () => {
       restoreOverlayMpvSubtitles({ force: true });
     },
+    isAppReady: () => app.isReady(),
     unregisterAllGlobalShortcuts: () => globalShortcut.unregisterAll(),
     stopSubtitleWebsocket: () => {
       subtitleWsService.stop();
@@ -4030,6 +4042,9 @@ async function ensureYoutubePlaybackRuntimeReady(): Promise<void> {
   ensureOverlayWindowsReadyForVisibilityActions();
 }
 
+let signalAutoplayReadyFromWarmTokenization: ((path: string | null | undefined) => void) | null =
+  null;
+
 const {
   createMpvClientRuntimeService: createMpvClientRuntimeServiceHandler,
   updateMpvSubtitleRenderMetrics: updateMpvSubtitleRenderMetricsHandler,
@@ -4124,15 +4139,7 @@ const {
     syncImmersionMediaState: () => {
       immersionMediaRuntime.syncFromCurrentMediaState();
     },
-    signalAutoplayReadyIfWarm: () => {
-      if (!isTokenizationWarmupReady()) {
-        return;
-      }
-      autoplayReadyGate.maybeSignalPluginAutoplayReady(
-        { text: '__warm__', tokens: null },
-        { forceWhilePaused: true },
-      );
-    },
+    signalAutoplayReadyIfWarm: (path) => signalAutoplayReadyFromWarmTokenization?.(path),
     scheduleCharacterDictionarySync: () => {
       if (!yomitanProfilePolicy.isCharacterDictionaryEnabled() || isYoutubePlaybackActiveNow()) {
         return;
@@ -4196,7 +4203,12 @@ const {
     setReconnectTimer: (timer: ReturnType<typeof setTimeout> | null) => {
       appState.reconnectTimer = timer;
     },
-    shouldQuitOnMpvShutdown: () => appState.initialArgs?.managedPlayback === true,
+    shouldQuitOnMpvShutdown: () =>
+      shouldQuitOnMpvShutdownForTrayState({
+        managedPlayback: appState.initialArgs?.managedPlayback === true,
+        backgroundMode: appState.backgroundMode,
+        hasTray: Boolean(appTray),
+      }),
     requestAppQuit: () => requestAppQuit(),
   },
   updateMpvSubtitleRenderMetricsMainDeps: {
@@ -4266,15 +4278,11 @@ const {
       getFrequencyRank: (text) => appState.frequencyRankLookup(text),
       getYomitanGroupDebugEnabled: () => appState.overlayDebugVisualizationEnabled,
       getMecabTokenizer: () => appState.mecabTokenizer,
-      onTokenizationReady: (text) => {
+      onTokenizationReady: () => {
         currentMediaTokenizationGate.markReady(
           appState.currentMediaPath?.trim() || appState.mpvClient?.currentVideoPath?.trim() || null,
         );
         startupOsdSequencer.markTokenizationReady();
-        autoplayReadyGate.maybeSignalPluginAutoplayReady(
-          { text, tokens: null },
-          { forceWhilePaused: true },
-        );
       },
     },
     createTokenizerRuntimeDeps: (deps) =>
@@ -4351,6 +4359,21 @@ const {
     },
   },
 });
+signalAutoplayReadyFromWarmTokenization = createAutoplayTokenizationWarmRelease({
+  isTokenizationWarmupReady: () => isTokenizationWarmupReady(),
+  startTokenizationWarmups: async () => {
+    await startTokenizationWarmups();
+  },
+  getCurrentMediaPath: () =>
+    appState.currentMediaPath?.trim() || appState.mpvClient?.currentVideoPath?.trim() || null,
+  signalAutoplayReady: () => {
+    autoplayReadyGate.maybeSignalPluginAutoplayReady(
+      { text: '__warm__', tokens: null },
+      { forceWhilePaused: true },
+    );
+  },
+  warn: (message, error) => logger.warn(message, error),
+});
 tokenizeSubtitleDeferred = tokenizeSubtitle;
 
 function createMpvClientRuntimeService(): MpvIpcClient {
@@ -5677,6 +5700,7 @@ const { createMainWindow: createMainWindowHandler, createModalWindow: createModa
         if (appState.currentSubText.trim()) {
           subtitleProcessingController.refreshCurrentSubtitle(appState.currentSubText);
         }
+        autoplayReadyGate.flushPendingAutoplayReadySignal();
       },
       onWindowClosed: (windowKind) => {
         if (windowKind === 'visible') {

src/main/main-wiring.test.ts

@@ -10,7 +10,7 @@ function readMainSource(): string {
 test('manual watched session action starts immersion tracker before marking watched', () => {
   const source = readMainSource();
   const actionBlock = source.match(
-    /markActiveVideoWatched: async \(\) => \{(?<body>[\s\S]*?)\n    \},/,
+    /markActiveVideoWatched:\s*async\s*\(\)\s*=>\s*\{(?<body>[\s\S]*?)\}\s*,/,
   )?.groups?.body;
 
   assert.ok(actionBlock);

src/main/runtime/app-lifecycle-main-cleanup.test.ts

@@ -15,6 +15,7 @@ test('cleanup deps builder returns handlers that guard optional runtime objects'
     stopConfigHotReload: () => calls.push('stop-config'),
     restorePreviousSecondarySubVisibility: () => calls.push('restore-sub'),
     restoreMpvSubVisibility: () => calls.push('restore-mpv-sub'),
+    isAppReady: () => true,
     unregisterAllGlobalShortcuts: () => calls.push('unregister-shortcuts'),
     stopSubtitleWebsocket: () => calls.push('stop-ws'),
     stopTexthookerService: () => calls.push('stop-texthooker'),
@@ -102,6 +103,7 @@ test('cleanup deps builder skips destroyed yomitan window', () => {
     stopConfigHotReload: () => {},
     restorePreviousSecondarySubVisibility: () => {},
     restoreMpvSubVisibility: () => {},
+    isAppReady: () => true,
     unregisterAllGlobalShortcuts: () => {},
     stopSubtitleWebsocket: () => {},
     stopTexthookerService: () => {},
@@ -148,3 +150,51 @@ test('cleanup deps builder skips destroyed yomitan window', () => {
 
   assert.deepEqual(calls, []);
 });
+
+test('cleanup deps builder skips global shortcut cleanup before app ready', () => {
+  const calls: string[] = [];
+  const depsFactory = createBuildOnWillQuitCleanupDepsHandler({
+    destroyTray: () => calls.push('destroy-tray'),
+    stopConfigHotReload: () => {},
+    restorePreviousSecondarySubVisibility: () => {},
+    restoreMpvSubVisibility: () => {},
+    isAppReady: () => false,
+    unregisterAllGlobalShortcuts: () => {
+      throw new Error('globalShortcut cannot be used before the app is ready');
+    },
+    stopSubtitleWebsocket: () => {},
+    stopTexthookerService: () => {},
+    clearWindowsVisibleOverlayForegroundPollLoop: () => {},
+    clearLinuxMpvFullscreenOverlayRefreshTimeouts: () => {},
+    getMainOverlayWindow: () => null,
+    clearMainOverlayWindow: () => {},
+    getModalOverlayWindow: () => null,
+    clearModalOverlayWindow: () => {},
+    getYomitanParserWindow: () => null,
+    clearYomitanParserState: () => {},
+    getWindowTracker: () => null,
+    flushMpvLog: () => {},
+    getMpvSocket: () => null,
+    getReconnectTimer: () => null,
+    clearReconnectTimerRef: () => {},
+    getSubtitleTimingTracker: () => null,
+    getImmersionTracker: () => null,
+    clearImmersionTracker: () => {},
+    getAnkiIntegration: () => null,
+    getAnilistSetupWindow: () => null,
+    clearAnilistSetupWindow: () => {},
+    getJellyfinSetupWindow: () => null,
+    clearJellyfinSetupWindow: () => {},
+    getFirstRunSetupWindow: () => null,
+    clearFirstRunSetupWindow: () => {},
+    getYomitanSettingsWindow: () => null,
+    clearYomitanSettingsWindow: () => {},
+    stopJellyfinRemoteSession: () => {},
+    stopDiscordPresenceService: () => {},
+  });
+
+  const cleanup = createOnWillQuitCleanupHandler(depsFactory());
+  cleanup();
+
+  assert.deepEqual(calls, ['destroy-tray']);
+});

src/main/runtime/app-lifecycle-main-cleanup.ts

@@ -22,6 +22,7 @@ export function createBuildOnWillQuitCleanupDepsHandler(deps: {
   stopConfigHotReload: () => void;
   restorePreviousSecondarySubVisibility: () => void;
   restoreMpvSubVisibility: () => void;
+  isAppReady: () => boolean;
   unregisterAllGlobalShortcuts: () => void;
   stopSubtitleWebsocket: () => void;
   stopTexthookerService: () => void;
@@ -63,7 +64,10 @@ export function createBuildOnWillQuitCleanupDepsHandler(deps: {
     stopConfigHotReload: () => deps.stopConfigHotReload(),
     restorePreviousSecondarySubVisibility: () => deps.restorePreviousSecondarySubVisibility(),
     restoreMpvSubVisibility: () => deps.restoreMpvSubVisibility(),
-    unregisterAllGlobalShortcuts: () => deps.unregisterAllGlobalShortcuts(),
+    unregisterAllGlobalShortcuts: () => {
+      if (!deps.isAppReady()) return;
+      deps.unregisterAllGlobalShortcuts();
+    },
     stopSubtitleWebsocket: () => deps.stopSubtitleWebsocket(),
     stopTexthookerService: () => deps.stopTexthookerService(),
     clearWindowsVisibleOverlayForegroundPollLoop: () =>

src/main/runtime/autoplay-ready-gate.test.ts

@@ -143,3 +143,92 @@ test('autoplay ready gate does not unpause again after a later manual pause on t
     1,
   );
 });
+
+test('autoplay ready gate defers plugin readiness until the signal target is ready', async () => {
+  const commands: Array<Array<string | boolean>> = [];
+  let targetReady = false;
+
+  const gate = createAutoplayReadyGate({
+    isAppOwnedFlowInFlight: () => false,
+    getCurrentMediaPath: () => '/media/video.mkv',
+    getCurrentVideoPath: () => null,
+    getPlaybackPaused: () => true,
+    getMpvClient: () =>
+      ({
+        connected: true,
+        requestProperty: async () => true,
+        send: ({ command }: { command: Array<string | boolean> }) => {
+          commands.push(command);
+        },
+      }) as never,
+    signalPluginAutoplayReady: () => {
+      commands.push(['script-message', 'subminer-autoplay-ready']);
+    },
+    isSignalTargetReady: () => targetReady,
+    schedule: (callback) => {
+      queueMicrotask(callback);
+      return 1 as never;
+    },
+    logDebug: () => {},
+  });
+
+  gate.maybeSignalPluginAutoplayReady({ text: '字幕', tokens: null }, { forceWhilePaused: true });
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  assert.deepEqual(commands, []);
+
+  targetReady = true;
+  gate.flushPendingAutoplayReadySignal();
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  assert.deepEqual(
+    commands.filter((command) => command[0] === 'script-message'),
+    [['script-message', 'subminer-autoplay-ready']],
+  );
+  assert.equal(
+    commands.some(
+      (command) => command[0] === 'set_property' && command[1] === 'pause' && command[2] === false,
+    ),
+    true,
+  );
+});
+
+test('autoplay ready gate drops deferred readiness after media changes before flush', async () => {
+  const commands: Array<Array<string | boolean>> = [];
+  let targetReady = false;
+  let currentMediaPath = '/media/video-1.mkv';
+
+  const gate = createAutoplayReadyGate({
+    isAppOwnedFlowInFlight: () => false,
+    getCurrentMediaPath: () => currentMediaPath,
+    getCurrentVideoPath: () => null,
+    getPlaybackPaused: () => true,
+    getMpvClient: () =>
+      ({
+        connected: true,
+        requestProperty: async () => true,
+        send: ({ command }: { command: Array<string | boolean> }) => {
+          commands.push(command);
+        },
+      }) as never,
+    signalPluginAutoplayReady: () => {
+      commands.push(['script-message', 'subminer-autoplay-ready']);
+    },
+    isSignalTargetReady: () => targetReady,
+    schedule: (callback) => {
+      queueMicrotask(callback);
+      return 1 as never;
+    },
+    logDebug: () => {},
+  });
+
+  gate.maybeSignalPluginAutoplayReady({ text: '字幕', tokens: null }, { forceWhilePaused: true });
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  currentMediaPath = '/media/video-2.mkv';
+  targetReady = true;
+  gate.flushPendingAutoplayReadySignal();
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  assert.deepEqual(commands, []);
+});

src/main/runtime/autoplay-ready-gate.ts

@@ -14,6 +14,7 @@ export type AutoplayReadyGateDeps = {
   getPlaybackPaused: () => boolean | null;
   getMpvClient: () => MpvClientLike | null;
   signalPluginAutoplayReady: () => void;
+  isSignalTargetReady?: () => boolean;
   schedule: (callback: () => void, delayMs: number) => ReturnType<typeof setTimeout>;
   logDebug: (message: string) => void;
 };
@@ -21,12 +22,23 @@ export type AutoplayReadyGateDeps = {
 export function createAutoplayReadyGate(deps: AutoplayReadyGateDeps) {
   let autoPlayReadySignalMediaPath: string | null = null;
   let autoPlayReadySignalGeneration = 0;
+  let pendingAutoplayReadySignal: {
+    mediaPath: string;
+    payload: SubtitleData;
+    options?: { forceWhilePaused?: boolean };
+  } | null = null;
 
   const invalidatePendingAutoplayReadyFallbacks = (): void => {
     autoPlayReadySignalMediaPath = null;
+    pendingAutoplayReadySignal = null;
     autoPlayReadySignalGeneration += 1;
   };
 
+  const isSignalTargetReady = (): boolean => deps.isSignalTargetReady?.() ?? true;
+
+  const getSignalMediaPath = (): string =>
+    deps.getCurrentMediaPath()?.trim() || deps.getCurrentVideoPath()?.trim() || '__unknown__';
+
   const maybeSignalPluginAutoplayReady = (
     payload: SubtitleData,
     options?: { forceWhilePaused?: boolean },
@@ -39,8 +51,7 @@ export function createAutoplayReadyGate(deps: AutoplayReadyGateDeps) {
       return;
     }
 
-    const mediaPath =
-      deps.getCurrentMediaPath()?.trim() || deps.getCurrentVideoPath()?.trim() || '__unknown__';
+    const mediaPath = getSignalMediaPath();
     const duplicateMediaSignal = autoPlayReadySignalMediaPath === mediaPath;
     const releaseRetryDelayMs = 200;
     const maxReleaseAttempts = resolveAutoplayReadyMaxReleaseAttempts({
@@ -104,16 +115,42 @@ export function createAutoplayReadyGate(deps: AutoplayReadyGateDeps) {
     };
 
     if (duplicateMediaSignal) {
+      pendingAutoplayReadySignal = null;
+      return;
+    }
+    if (!isSignalTargetReady()) {
+      pendingAutoplayReadySignal = { mediaPath, payload, options };
+      deps.logDebug(
+        `[autoplay-ready] deferred until signal target is ready for media ${mediaPath}`,
+      );
       return;
     }
 
+    pendingAutoplayReadySignal = null;
     autoPlayReadySignalMediaPath = mediaPath;
     const playbackGeneration = ++autoPlayReadySignalGeneration;
     deps.signalPluginAutoplayReady();
     attemptRelease(playbackGeneration, 0);
   };
 
+  const flushPendingAutoplayReadySignal = (): void => {
+    if (!pendingAutoplayReadySignal || !isSignalTargetReady()) {
+      return;
+    }
+
+    const pendingSignal = pendingAutoplayReadySignal;
+    pendingAutoplayReadySignal = null;
+    if (getSignalMediaPath() !== pendingSignal.mediaPath) {
+      deps.logDebug(
+        `[autoplay-ready] dropped deferred signal for stale media ${pendingSignal.mediaPath}`,
+      );
+      return;
+    }
+    maybeSignalPluginAutoplayReady(pendingSignal.payload, pendingSignal.options);
+  };
+
   return {
+    flushPendingAutoplayReadySignal,
     getAutoPlayReadySignalMediaPath: (): string | null => autoPlayReadySignalMediaPath,
     invalidatePendingAutoplayReadyFallbacks,
     maybeSignalPluginAutoplayReady,

src/main/runtime/autoplay-tokenization-warm-release.test.ts

@@ -0,0 +1,86 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { createAutoplayTokenizationWarmRelease } from './autoplay-tokenization-warm-release';
+
+test('autoplay tokenization warm release signals immediately when warmups are ready', () => {
+  const calls: string[] = [];
+  const release = createAutoplayTokenizationWarmRelease({
+    isTokenizationWarmupReady: () => true,
+    startTokenizationWarmups: async () => {
+      calls.push('warmup');
+    },
+    getCurrentMediaPath: () => '/tmp/video.mkv',
+    signalAutoplayReady: () => calls.push('signal'),
+    warn: () => {},
+  });
+
+  release('/tmp/video.mkv');
+
+  assert.deepEqual(calls, ['signal']);
+});
+
+test('autoplay tokenization warm release waits for warmups before signaling current media', async () => {
+  const calls: string[] = [];
+  let resolveWarmup!: () => void;
+  const warmup = new Promise<void>((resolve) => {
+    resolveWarmup = resolve;
+  });
+  const release = createAutoplayTokenizationWarmRelease({
+    isTokenizationWarmupReady: () => false,
+    startTokenizationWarmups: async () => {
+      calls.push('warmup');
+      await warmup;
+    },
+    getCurrentMediaPath: () => '/tmp/video.mkv',
+    signalAutoplayReady: () => calls.push('signal'),
+    warn: () => {},
+  });
+
+  release('/tmp/video.mkv');
+  await Promise.resolve();
+  assert.deepEqual(calls, ['warmup']);
+
+  resolveWarmup();
+  await warmup;
+  await Promise.resolve();
+
+  assert.deepEqual(calls, ['warmup', 'signal']);
+});
+
+test('autoplay tokenization warm release skips stale media after warmup resolves', async () => {
+  const calls: string[] = [];
+  let currentMediaPath = '/tmp/video-2.mkv';
+  const release = createAutoplayTokenizationWarmRelease({
+    isTokenizationWarmupReady: () => false,
+    startTokenizationWarmups: async () => {
+      calls.push('warmup');
+    },
+    getCurrentMediaPath: () => currentMediaPath,
+    signalAutoplayReady: () => calls.push('signal'),
+    warn: () => {},
+  });
+
+  release('/tmp/video-1.mkv');
+  await Promise.resolve();
+  currentMediaPath = '/tmp/video-3.mkv';
+  await Promise.resolve();
+
+  assert.deepEqual(calls, ['warmup']);
+});
+
+test('autoplay tokenization warm release skips signaling when current media is cleared', () => {
+  const calls: string[] = [];
+  const release = createAutoplayTokenizationWarmRelease({
+    isTokenizationWarmupReady: () => true,
+    startTokenizationWarmups: async () => {
+      calls.push('warmup');
+    },
+    getCurrentMediaPath: () => null,
+    signalAutoplayReady: () => calls.push('signal'),
+    warn: () => {},
+  });
+
+  release('/tmp/video.mkv');
+
+  assert.deepEqual(calls, []);
+});

src/main/runtime/autoplay-tokenization-warm-release.ts

@@ -0,0 +1,42 @@
+function normalizeMediaPath(mediaPath: string | null | undefined): string | null {
+  if (typeof mediaPath !== 'string') {
+    return null;
+  }
+  const trimmed = mediaPath.trim();
+  return trimmed.length > 0 ? trimmed : null;
+}
+
+export function createAutoplayTokenizationWarmRelease(deps: {
+  isTokenizationWarmupReady: () => boolean;
+  startTokenizationWarmups: () => Promise<void>;
+  getCurrentMediaPath: () => string | null | undefined;
+  signalAutoplayReady: () => void;
+  warn: (message: string, error: unknown) => void;
+}): (mediaPath: string | null | undefined) => void {
+  const signalIfCurrent = (mediaPath: string): void => {
+    const currentMediaPath = normalizeMediaPath(deps.getCurrentMediaPath());
+    if (!currentMediaPath || currentMediaPath !== mediaPath) {
+      return;
+    }
+    deps.signalAutoplayReady();
+  };
+
+  return (mediaPath) => {
+    const normalizedPath = normalizeMediaPath(mediaPath);
+    if (!normalizedPath) {
+      return;
+    }
+    if (deps.isTokenizationWarmupReady()) {
+      signalIfCurrent(normalizedPath);
+      return;
+    }
+    void deps
+      .startTokenizationWarmups()
+      .then(() => {
+        signalIfCurrent(normalizedPath);
+      })
+      .catch((error) => {
+        deps.warn('Startup tokenization warmup failed before autoplay readiness release:', error);
+      });
+  };
+}

src/main/runtime/composers/startup-lifecycle-composer.test.ts

@@ -18,6 +18,7 @@ test('composeStartupLifecycleHandlers returns callable startup lifecycle handler
       stopConfigHotReload: () => {},
       restorePreviousSecondarySubVisibility: () => {},
       restoreMpvSubVisibility: () => {},
+      isAppReady: () => true,
       unregisterAllGlobalShortcuts: () => {},
       stopSubtitleWebsocket: () => {},
       stopTexthookerService: () => {},

src/main/runtime/current-media-tokenization-gate.test.ts

@@ -41,18 +41,16 @@ test('current media tokenization gate returns immediately for ready media', asyn
   await gate.waitUntilReady('/tmp/video-1.mkv');
 });
 
-test('current media tokenization gate stays ready for later media after first warmup', async () => {
+test('current media tokenization gate treats later media as ready after warmup completes', async () => {
   const gate = createCurrentMediaTokenizationGate();
   gate.updateCurrentMediaPath('/tmp/video-1.mkv');
   gate.markReady('/tmp/video-1.mkv');
   gate.updateCurrentMediaPath('/tmp/video-2.mkv');
 
   let resolved = false;
-  const waitPromise = gate.waitUntilReady('/tmp/video-2.mkv').then(() => {
+  await gate.waitUntilReady('/tmp/video-2.mkv').then(() => {
     resolved = true;
   });
 
-  await Promise.resolve();
   assert.equal(resolved, true);
-  await waitPromise;
 });

src/main/runtime/mpv-main-event-actions.test.ts

@@ -119,7 +119,6 @@ test('media path change handler reports stop for empty path and probes media key
     syncImmersionMediaState: () => calls.push('sync'),
     flushPlaybackPositionOnMediaPathClear: () => calls.push('flush-playback'),
     scheduleCharacterDictionarySync: () => calls.push('dict-sync'),
-    signalAutoplayReadyIfWarm: (path) => calls.push(`autoplay:${path}`),
     refreshDiscordPresence: () => calls.push('presence'),
   });
 
@@ -138,7 +137,7 @@ test('media path change handler reports stop for empty path and probes media key
   ]);
 });
 
-test('media path change handler signals autoplay-ready fast path for warm non-empty media', () => {
+test('media path change handler signals autoplay readiness from warm media path', () => {
   const calls: string[] = [];
   const handler = createHandleMpvMediaPathChangeHandler({
     updateCurrentMediaPath: (path) => calls.push(`path:${path}`),

src/main/runtime/mpv-main-event-bindings.test.ts

@@ -45,6 +45,7 @@ test('main mpv event binder wires callbacks through to runtime deps', () => {
     maybeProbeAnilistDuration: (mediaKey) => calls.push(`probe:${mediaKey}`),
     ensureAnilistMediaGuess: (mediaKey) => calls.push(`guess:${mediaKey}`),
     syncImmersionMediaState: () => calls.push('sync-immersion'),
+    signalAutoplayReadyIfWarm: (path) => calls.push(`autoplay:${path}`),
     flushPlaybackPositionOnMediaPathClear: () => calls.push('flush-playback'),
 
     updateCurrentMediaTitle: (title) => calls.push(`media-title:${title}`),
@@ -72,6 +73,7 @@ test('main mpv event binder wires callbacks through to runtime deps', () => {
   handlers.get('subtitle-change')?.({ text: 'line' });
   handlers.get('subtitle-track-change')?.({ sid: 3 });
   handlers.get('subtitle-track-list-change')?.({ trackList: [] });
+  handlers.get('media-path-change')?.({ path: '/tmp/video.mkv' });
   handlers.get('media-path-change')?.({ path: '' });
   handlers.get('media-title-change')?.({ title: 'Episode 1' });
   handlers.get('subtitle-timing')?.({ text: 'timed line', start: 899, end: 901 });
@@ -85,7 +87,8 @@ test('main mpv event binder wires callbacks through to runtime deps', () => {
   assert.ok(calls.includes('subtitle-track-change'));
   assert.ok(calls.includes('subtitle-track-list-change'));
   assert.ok(calls.includes('media-title:Episode 1'));
-  assert.ok(calls.includes('restore-mpv-sub'));
+  assert.ok(calls.includes('media-path:/tmp/video.mkv'));
+  assert.ok(calls.includes('autoplay:/tmp/video.mkv'));
   assert.ok(calls.includes('reset-guess-state'));
   assert.ok(calls.includes('notify-title:Episode 1'));
   assert.ok(calls.includes('post-watch:901'));

src/main/runtime/mpv-main-event-main-deps.test.ts

@@ -92,7 +92,7 @@ test('mpv main event main deps map app state updates and delegate callbacks', as
   deps.maybeProbeAnilistDuration('media-key');
   deps.ensureAnilistMediaGuess('media-key');
   deps.syncImmersionMediaState();
-  deps.signalAutoplayReadyIfWarm('/tmp/video');
+  deps.signalAutoplayReadyIfWarm?.('/tmp/video');
   deps.updateCurrentMediaTitle('title');
   deps.resetAnilistMediaGuessState();
   deps.notifyImmersionTitleUpdate('title');

src/main/runtime/startup-tray-policy.test.ts

@@ -2,6 +2,7 @@ import assert from 'node:assert/strict';
 import test from 'node:test';
 import {
   shouldEnsureTrayOnStartupForInitialArgs,
+  shouldQuitOnMpvShutdownForTrayState,
   shouldQuitOnWindowAllClosedForTrayState,
 } from './startup-tray-policy';
 
@@ -42,3 +43,25 @@ test('window-all-closed keeps background app alive without tray', () => {
     false,
   );
 });
+
+test('mpv shutdown keeps managed background tray app alive', () => {
+  assert.equal(
+    shouldQuitOnMpvShutdownForTrayState({
+      managedPlayback: true,
+      backgroundMode: true,
+      hasTray: true,
+    }),
+    false,
+  );
+});
+
+test('mpv shutdown quits standalone managed playback without tray residency', () => {
+  assert.equal(
+    shouldQuitOnMpvShutdownForTrayState({
+      managedPlayback: true,
+      backgroundMode: false,
+      hasTray: false,
+    }),
+    true,
+  );
+});

src/main/runtime/startup-tray-policy.ts

@@ -21,3 +21,14 @@ export function shouldQuitOnWindowAllClosedForTrayState(options: {
   if (options.hasTray) return false;
   return true;
 }
+
+export function shouldQuitOnMpvShutdownForTrayState(options: {
+  managedPlayback: boolean;
+  backgroundMode: boolean;
+  hasTray: boolean;
+}): boolean {
+  if (!options.managedPlayback) return false;
+  if (options.backgroundMode) return false;
+  if (options.hasTray) return false;
+  return true;
+}

src/renderer/overlay-legacy-cleanup.test.ts

@@ -43,7 +43,7 @@ test('renderer stylesheet only hides visible focus chrome on top-level overlay f
 test('subtitle sidebar stylesheet keeps quoted font fallbacks and generic family', () => {
   const cssSource = readWorkspaceFile('src/renderer/style.css');
   const sidebarContentBlock = cssSource.match(
-    /\.subtitle-sidebar-content\s*\{(?<body>[\s\S]*?)\n\}/,
+    /\.subtitle-sidebar-content\s*\{(?<body>[\s\S]*?)\s*\}/,
   )?.groups?.body;
 
   assert.ok(sidebarContentBlock);