Quat reported the restore prompt didn't appear and noticed their
save file ended up with move_count 0 — diagnosed as a destructive
overwrite. The flow:
1. Player exits with moves; game_state.json has move_count > 0.
2. Player relaunches. Plugin build sees moves > 0, holds the saved
game in `PendingRestoredGame`, seeds `GameStateResource` with a
fresh deal so the board doesn't show the half-played game until
the player picks Continue.
3. The restore prompt should appear. (Why it didn't on Quat's run
is still TBD — needs a fresh test.)
4. Player exits. `save_game_state_on_exit` writes
`GameStateResource` (the fresh-deal placeholder) to disk,
overwriting the meaningful saved game with move_count 0.
Both `save_game_state_on_exit` and `auto_save_game_state` now check
`PendingRestoredGame`: if it still holds an unanswered saved game,
they save THAT (or skip entirely in the auto-save path). The real
saved game on disk is preserved across launches no matter how many
times the player exits without answering the prompt.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
funman300
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