Harden update, system-check, queue, cutter, streamer and shutdown state transitions.
Add multi-user installer recovery, secret-safe config migration, provider fallback handling, managed-tool validation and real media export coverage.
Refresh the English public documentation, release notes and 1.0.18 product screenshot.
Replace the generic README fixture with current public xQc profile and VOD data while keeping the screenshot capture isolated from local application data.
Polish navigation, settings, streamer and queue workflows; add safe pause and partial-file lifecycle handling; apply the product identity across Windows surfaces; and replace the public README with a complete English product guide and isolated screenshot.