Enjoy Player v0.8.1

What's Changed

• [repo-assist] perf(image-cache): swap remaining Image.network for CachedNetworkImageProvider by @github-actions[bot] in #526
• [docs] Update subscription doc for Lite/Pro tier catalog by @github-actions[bot] in #531
• refactor(release): dedupe TestFlight upload + ASC private-key resolution by @an-lee in #532
• Add post-sign-in feature onboarding tips by @an-lee in #533
• Add assessment take replay with karaoke and word clips by @an-lee in #534
• [test-improver] test(onboarding): add 37 unit tests for tip catalog and TipProgressSnapshot by @github-actions[bot] in #537
• [repo-assist] refactor: share whitespace normalization helper by @github-actions[bot] in #539
• fix(ai): send usage.tts.textLength instead of durationSeconds by @an-lee in #545

Full Changelog: v0.8.0...v0.8.1