- M4 Part C now commits the reviewed `delete` change as the checkpoint, so
Part D's `git restore .` returns to a delete-containing state (was wiping it).
- M7 'watch it break': switch to an existing divergent branch so the
"would be overwritten by checkout" refusal actually fires (git switch -c never did).
- M7 Part C: demonstrate worktree isolation with existing add/list and distinct
per-worktree data; move the new clear/count commands to after they exist.
- M14 Part C: recover with `git revert HEAD` (Module 12, which precedes M14) so
CI legitimately goes green; drop the wrong "Module 2's safety net" attribution.
Closes#2Closes#3Closes#4Closes#12
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TfzV5QvtPDz8LJS3Pu5VLT
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