feat: improve background startup and launcher control

Detach --background launches from terminals with quieter runtime output, make wrapper/plugin overlay start explicit, and allow trailing commas in JSONC configs for safer hot-reload edits. Includes pending Anki/docs/backlog updates in this unreleased batch.

launcher/config.ts

@@ -24,7 +24,6 @@ import {
   resolvePathMaybe,
   isUrlTarget,
   uniqueNormalizedLangCodes,
-  parseBoolLike,
   inferWhisperLanguage,
 } from './util.js';
 
@@ -160,7 +159,6 @@ function getPluginConfigCandidates(): string[] {
 
 export function readPluginRuntimeConfig(logLevel: LogLevel): PluginRuntimeConfig {
   const runtimeConfig: PluginRuntimeConfig = {
-    autoStartOverlay: false,
     socketPath: DEFAULT_SOCKET_PATH,
   };
   const candidates = getPluginConfigCandidates();
@@ -173,16 +171,6 @@ export function readPluginRuntimeConfig(logLevel: LogLevel): PluginRuntimeConfig
       for (const line of lines) {
         const trimmed = line.trim();
         if (trimmed.length === 0 || trimmed.startsWith('#')) continue;
-        const autoStartMatch = trimmed.match(/^auto_start\s*=\s*(.+)$/i);
-        if (autoStartMatch) {
-          const value = (autoStartMatch[1] || '').split('#', 1)[0]?.trim() || '';
-          const parsed = parseBoolLike(value);
-          if (parsed !== null) {
-            runtimeConfig.autoStartOverlay = parsed;
-          }
-          continue;
-        }
-
         const socketMatch = trimmed.match(/^socket_path\s*=\s*(.+)$/i);
         if (socketMatch) {
           const value = (socketMatch[1] || '').split('#', 1)[0]?.trim() || '';
@@ -192,7 +180,7 @@ export function readPluginRuntimeConfig(logLevel: LogLevel): PluginRuntimeConfig
       log(
         'debug',
         logLevel,
-        `Using mpv plugin settings from ${configPath}: auto_start=${runtimeConfig.autoStartOverlay ? 'yes' : 'no'} socket_path=${runtimeConfig.socketPath}`,
+        `Using mpv plugin settings from ${configPath}: socket_path=${runtimeConfig.socketPath}`,
       );
       return runtimeConfig;
     } catch {
@@ -204,7 +192,7 @@ export function readPluginRuntimeConfig(logLevel: LogLevel): PluginRuntimeConfig
   log(
     'debug',
     logLevel,
-    `No mpv subminer.conf found; using launcher defaults (auto_start=no socket_path=${runtimeConfig.socketPath})`,
+    `No mpv subminer.conf found; using launcher defaults (socket_path=${runtimeConfig.socketPath})`,
   );
   return runtimeConfig;
 }

launcher/main.ts

@@ -364,8 +364,7 @@ async function main(): Promise<void> {
   }
 
   const ready = await waitForSocket(mpvSocketPath);
-  const shouldStartOverlay =
-    args.startOverlay || args.autoStartOverlay || pluginRuntimeConfig.autoStartOverlay;
+  const shouldStartOverlay = args.startOverlay || args.autoStartOverlay;
   if (shouldStartOverlay) {
     if (ready) {
       log('info', args.logLevel, 'MPV IPC socket ready, starting SubMiner overlay');

launcher/types.ts

@@ -121,7 +121,6 @@ export interface LauncherJellyfinConfig {
 }
 
 export interface PluginRuntimeConfig {
-  autoStartOverlay: boolean;
   socketPath: string;
 }