[codex] Replace mpv fullscreen toggle with launch mode config (#48)

Co-authored-by: bee <autumn@skerritt.blog>

launcher/config/args-normalizer.ts

@@ -1,7 +1,13 @@
 import fs from 'node:fs';
 import path from 'node:path';
 import { fail } from '../log.js';
-import type { Args, Backend, LauncherYoutubeSubgenConfig, LogLevel } from '../types.js';
+import type {
+  Args,
+  Backend,
+  LauncherMpvConfig,
+  LauncherYoutubeSubgenConfig,
+  LogLevel,
+} from '../types.js';
 import {
   DEFAULT_JIMAKU_API_BASE_URL,
   DEFAULT_YOUTUBE_PRIMARY_SUB_LANGS,
@@ -83,7 +89,10 @@ function parseDictionaryTarget(value: string): string {
   return resolved;
 }
 
-export function createDefaultArgs(launcherConfig: LauncherYoutubeSubgenConfig): Args {
+export function createDefaultArgs(
+  launcherConfig: LauncherYoutubeSubgenConfig,
+  mpvConfig: LauncherMpvConfig = {},
+): Args {
   const configuredSecondaryLangs = uniqueNormalizedLangCodes(
     launcherConfig.secondarySubLanguages ?? [],
   );
@@ -148,6 +157,7 @@ export function createDefaultArgs(launcherConfig: LauncherYoutubeSubgenConfig):
     jellyfinServer: '',
     jellyfinUsername: '',
     jellyfinPassword: '',
+    launchMode: mpvConfig.launchMode ?? 'normal',
     youtubePrimarySubLangs: primarySubLangs,
     youtubeSecondarySubLangs: secondarySubLangs,
     youtubeAudioLangs,

launcher/config/mpv-config.ts

@@ -0,0 +1,12 @@
+import { parseMpvLaunchMode } from '../../src/shared/mpv-launch-mode.js';
+import type { LauncherMpvConfig } from '../types.js';
+
+export function parseLauncherMpvConfig(root: Record<string, unknown>): LauncherMpvConfig {
+  const mpvRaw = root.mpv;
+  if (!mpvRaw || typeof mpvRaw !== 'object') return {};
+  const mpv = mpvRaw as Record<string, unknown>;
+
+  return {
+    launchMode: parseMpvLaunchMode(mpv.launchMode),
+  };
+}