feat(audit): Batch 23 — settings key renames with migration (CC1) + config.ts (CC11)

CC1: customCommandEnabled→enableCustomCommands, downloadArchive→
useDownloadArchive, clipboardWatch→watchClipboard, sidebarCollapsed→
isSidebarCollapsed, hardwareAcceleration→useHardwareAcceleration,
videoDir/audioDir→videoFolder/audioFolder (+ chooseDir/clearDir store
actions → chooseFolder/clearFolder). Rename map in settingsMigration.ts
(pure, unit-tested incl. pre-rename backup fixture), applied as an
idempotent on-disk shim at store open and on backup import so old
settings.json and old backups both keep working.

CC11: update host/owner/repo + release API moved to src/main/config.ts.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/main/download.ts

@@ -166,15 +166,15 @@ async function probeMeta(ytdlp: string, url: string): Promise<DownloadMeta | nul
 // --- Argv construction (shared by startDownload and the command preview) ---
 
 // A per-download override (opts.extraArgs, even '') wins over the persisted
-// default template — but BOTH are gated on the customCommandEnabled consent flag
+// default template — but BOTH are gated on the enableCustomCommands consent flag
 // (see selectExtraArgs / audit F2). The gate is enforced here in main, not just
 // in the renderer UI, so the renderer can't be trusted to apply it.
 function resolveExtraArgs(opts: StartDownloadOptions, settings: Settings): string[] {
   // Gate the file read: listTemplates() parses templates.json on every call, so
   // skip it entirely when the feature is off (PERF2).
-  if (!settings.customCommandEnabled) return []
+  if (!settings.enableCustomCommands) return []
   return selectExtraArgs({
-    customCommandEnabled: settings.customCommandEnabled,
+    enableCustomCommands: settings.enableCustomCommands,
     perDownloadExtraArgs: opts.extraArgs,
     defaultTemplateId: settings.defaultTemplateId,
     templates: listTemplates(),
@@ -197,7 +197,7 @@ export function buildCommand(opts: StartDownloadOptions, cookiesFile?: string):
   // ignored in favour of the per-kind folder, then the per-kind default. (audit F4)
   const override = opts.outputDir?.trim()
   const safeOverride = override && isSafeOutputDir(override) ? override : ''
-  const perKindDir = (opts.kind === 'audio' ? settings.audioDir : settings.videoDir)?.trim()
+  const perKindDir = (opts.kind === 'audio' ? settings.audioFolder : settings.videoFolder)?.trim()
   const outDir = safeOverride || perKindDir || getDefaultMediaDir(opts.kind)
   // A collection (media-manager) download is filed into <channel>/<playlist>/
   // <NNN> - <title> folders; an ordinary download uses the flat filenameTemplate.
@@ -220,7 +220,7 @@ export function buildCommand(opts: StartDownloadOptions, cookiesFile?: string):
       !opts.incognito && settings.cookieSource === 'browser' ? settings.cookiesBrowser : undefined,
     cookiesFile,
     restrictFilenames: settings.restrictFilenames,
-    downloadArchivePath: settings.downloadArchive ? getDownloadArchivePath() : undefined,
+    downloadArchivePath: settings.useDownloadArchive ? getDownloadArchivePath() : undefined,
     youtubePlayerClient: settings.youtubePlayerClient,
     youtubePoToken: settings.youtubePoToken
   }