Spike: save state reliability

open ff1-agent-s62 P1

Description

Verify that cynes save/load state is reliable across all game modes FF1 uses. Write and run scripts/spike_savestate.py. Test save and restore from: overworld standing still, mid-battle (player turn), menu open, screen transition in progress, active dialog box, inside a shop. For each: save state, advance 10+ frames, restore, confirm game resumes correctly (RAM values match, no corruption). Document failure modes and any modes where save/load is unreliable in docs/spike-results.md.

Labels

m1 spike

Dependencies

This task has 1 dependency/ies.

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