refactor(main): extract remaining inline runtime logic from main

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

@@ -0,0 +1,45 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { createAutoplayReadyGate } from './autoplay-ready-gate';
+
+test('autoplay ready gate suppresses duplicate media signals unless forced while paused', async () => {
+  const commands: Array<Array<string | boolean>> = [];
+  const scheduled: Array<() => void> = [];
+
+  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']);
+    },
+    schedule: (callback) => {
+      scheduled.push(callback);
+      return 1 as never;
+    },
+    logDebug: () => {},
+  });
+
+  gate.maybeSignalPluginAutoplayReady({ text: '字幕', tokens: null });
+  gate.maybeSignalPluginAutoplayReady({ text: '字幕', tokens: null });
+  gate.maybeSignalPluginAutoplayReady({ text: '字幕', tokens: null }, { forceWhilePaused: true });
+
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  assert.deepEqual(commands.slice(0, 3), [
+    ['script-message', 'subminer-autoplay-ready'],
+    ['script-message', 'subminer-autoplay-ready'],
+    ['script-message', 'subminer-autoplay-ready'],
+  ]);
+  assert.ok(commands.some((command) => command[0] === 'set_property' && command[1] === 'pause'));
+  assert.equal(scheduled.length > 0, true);
+});