96800d5a17
Two small self-contained features from the audit's deferred list: - L51: the Task Scheduler daily sync is no longer pinned to 09:00. New Settings.syncTime (24h HH:MM) with a native time input beside the Library "Daily sync" switch — persists on change, re-registers the task on blur (schtasks /Create /F overwrite is the time-change mechanism). The value reaches the schtasks /ST argv, so a shared isValidSyncTime guards it at both the settings write and in schedule.ts (unit-tested incl. injection-shaped input). Live-verified against the machine's real task. - L64: aria2c connection count (-x/-s) is user-tunable. New Settings.aria2cConnections (1-16, aria2c's own ceiling) exposed as a SpinButton in Settings -> Network while the aria2c toggle is on. ARIA2C_ARGS became the pure aria2cArgs(n?) with a defensive clamp; threaded through AccessOptions. The -k 1M split floor stays fixed — a free-text field would bypass the custom-command consent gate. typecheck + 309 tests + eslint + production build green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>