fix(launcher): remove youtube subtitle mode

launcher/main.test.ts

@@ -162,6 +162,134 @@ test('doctor reports checks and exits non-zero without hard dependencies', () =>
   });
 });
 
+test('youtube command rejects removed --mode option', () => {
+  withTempDir((root) => {
+    const homeDir = path.join(root, 'home');
+    const xdgConfigHome = path.join(root, 'xdg');
+    const appPath = path.join(root, 'fake-subminer.sh');
+    fs.writeFileSync(appPath, '#!/bin/sh\nexit 0\n');
+    fs.chmodSync(appPath, 0o755);
+
+    const env = {
+      ...makeTestEnv(homeDir, xdgConfigHome),
+      SUBMINER_APPIMAGE_PATH: appPath,
+    };
+    const result = runLauncher(
+      ['youtube', 'https://www.youtube.com/watch?v=test123', '--mode', 'automatic'],
+      env,
+    );
+
+    assert.equal(result.status, 1);
+    assert.match(result.stderr, /unknown option '--mode'/i);
+  });
+});
+
+test('youtube playback generates subtitles before mpv launch', () => {
+  withTempDir((root) => {
+    const homeDir = path.join(root, 'home');
+    const xdgConfigHome = path.join(root, 'xdg');
+    const binDir = path.join(root, 'bin');
+    const appPath = path.join(root, 'fake-subminer.sh');
+    const ytdlpLogPath = path.join(root, 'yt-dlp.log');
+    const mpvCapturePath = path.join(root, 'mpv-order.txt');
+    const mpvArgsPath = path.join(root, 'mpv-args.txt');
+    const socketPath = path.join(root, 'mpv.sock');
+
+    fs.mkdirSync(binDir, { recursive: true });
+    fs.mkdirSync(path.join(xdgConfigHome, 'SubMiner'), { recursive: true });
+    fs.mkdirSync(path.join(xdgConfigHome, 'mpv', 'script-opts'), { recursive: true });
+    fs.writeFileSync(
+      path.join(xdgConfigHome, 'SubMiner', 'setup-state.json'),
+      JSON.stringify({
+        version: 1,
+        status: 'completed',
+        completedAt: '2026-03-08T00:00:00.000Z',
+        completionSource: 'user',
+        lastSeenYomitanDictionaryCount: 0,
+        pluginInstallStatus: 'installed',
+        pluginInstallPathSummary: null,
+      }),
+    );
+    fs.writeFileSync(
+      path.join(xdgConfigHome, 'mpv', 'script-opts', 'subminer.conf'),
+      `socket_path=${socketPath}\nauto_start=no\nauto_start_visible_overlay=no\nauto_start_pause_until_ready=no\n`,
+    );
+    fs.writeFileSync(appPath, '#!/bin/sh\nexit 0\n');
+    fs.chmodSync(appPath, 0o755);
+
+    fs.writeFileSync(
+      path.join(binDir, 'yt-dlp'),
+      `#!/bin/sh
+set -eu
+printf '%s\\n' "$*" >> "$SUBMINER_TEST_YTDLP_LOG"
+if printf '%s\\n' "$*" | grep -q -- '--dump-single-json'; then
+  printf '{"id":"video123"}\\n'
+  exit 0
+fi
+out_dir=""
+prev=""
+for arg in "$@"; do
+  if [ "$prev" = "-o" ]; then
+    out_dir=$(dirname "$arg")
+    break
+  fi
+  prev="$arg"
+done
+mkdir -p "$out_dir"
+printf '1\\n00:00:00,000 --> 00:00:01,000\\nこんにちは\\n' > "$out_dir/video123.ja.srt"
+printf '1\\n00:00:00,000 --> 00:00:01,000\\nhello\\n' > "$out_dir/video123.en.srt"
+`,
+      'utf8',
+    );
+    fs.chmodSync(path.join(binDir, 'yt-dlp'), 0o755);
+
+    fs.writeFileSync(path.join(binDir, 'ffmpeg'), '#!/bin/sh\nexit 0\n', 'utf8');
+    fs.chmodSync(path.join(binDir, 'ffmpeg'), 0o755);
+
+    fs.writeFileSync(
+      path.join(binDir, 'mpv'),
+      `#!/bin/sh
+set -eu
+if [ -s "$SUBMINER_TEST_YTDLP_LOG" ]; then
+  printf 'generated-before-mpv\\n' > "$SUBMINER_TEST_MPV_ORDER"
+else
+  printf 'mpv-before-generation\\n' > "$SUBMINER_TEST_MPV_ORDER"
+fi
+printf '%s\\n' "$@" > "$SUBMINER_TEST_MPV_ARGS"
+socket_path=""
+for arg in "$@"; do
+  case "$arg" in
+    --input-ipc-server=*)
+      socket_path="\${arg#--input-ipc-server=}"
+      ;;
+  esac
+done
+bun -e "const net=require('node:net'); const fs=require('node:fs'); const socket=process.argv[1]; try { fs.rmSync(socket,{force:true}); } catch {} const server=net.createServer((conn)=>conn.end()); server.listen(socket,()=>setTimeout(()=>server.close(()=>process.exit(0)),250));" "$socket_path"
+`,
+      'utf8',
+    );
+    fs.chmodSync(path.join(binDir, 'mpv'), 0o755);
+
+    const env = {
+      ...makeTestEnv(homeDir, xdgConfigHome),
+      PATH: `${binDir}${path.delimiter}${process.env.PATH || ''}`,
+      SUBMINER_APPIMAGE_PATH: appPath,
+      SUBMINER_TEST_YTDLP_LOG: ytdlpLogPath,
+      SUBMINER_TEST_MPV_ORDER: mpvCapturePath,
+      SUBMINER_TEST_MPV_ARGS: mpvArgsPath,
+    };
+    const result = runLauncher(['youtube', 'https://www.youtube.com/watch?v=test123'], env);
+
+    assert.equal(result.status, 0);
+    assert.equal(fs.readFileSync(mpvCapturePath, 'utf8').trim(), 'generated-before-mpv');
+    assert.match(
+      fs.readFileSync(mpvArgsPath, 'utf8'),
+      /https:\/\/www\.youtube\.com\/watch\?v=test123/,
+    );
+    assert.match(fs.readFileSync(ytdlpLogPath, 'utf8'), /--dump-single-json/);
+  });
+});
+
 test('dictionary command forwards --dictionary and --dictionary-target to app command path', () => {
   withTempDir((root) => {
     const homeDir = path.join(root, 'home');