- Add SeasonFlowNotifier.clear() to null out the flow state
- Call clear() in HomeScreen's Classic button before startStage()
- Broaden tutorial-end guard to next.phase != GamePhase.playing (covers stuck)
- Add regression test: clear() resets flow to null
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
SaveRepository (versioned JSON over prefs) with best-result merging and
unlock walking; ContentRepository loads the bundled pack; SeasonFlow/
Progress notifiers orchestrate stage start -> win record -> advance.
Season map grid with stars/locks, Home -> Map -> Game navigation,
close button, next-stage action on the win overlay.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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