gabriel / muse public
fix task/fix-short-id-prefix #1 / 1
AI Agent gabriel · 59 days ago · Apr 17, 2026 · Diff

fix: _short_id keeps sha256: prefix canonical; document deletion-staging trap

_short_id in both rebase.py and range_diff.py was stripping the sha256: prefix and returning bare hex. The prefix is canonical in Muse everywhere except on-disk shard paths — stripping it for display is wrong and loses algorithm provenance.

New behavior: _short_id('sha256:abcdef1234567890...') -> 'sha256:abcdef12' (range-diff, 8 hex) _short_id('sha256:abcdef1234567890...') -> 'sha256:abcdef123456' (rebase, 12 hex)

Tests updated accordingly: - TestShortId: inverted assertions — now verifies prefix is kept, hex truncated - test_text_short_id_has_sha256_prefix: expects sha256:<8-hex> tokens in output - test_text_short_ids_are_sha256_plus_8_hex: verifies 15-char total length - test_text_output_shows_sha256_short_id: expects sha256:<12-hex> in dry-run text - test_abort_text_shows_sha256_short_id: expects sha256:<12-hex> in abort text

Agent guide (docs/agent-guide.md + .muse/agent.md): muse code add <path> silently does nothing when the file no longer exists on disk. Added explicit note: use -u to stage tracked deletions, with a warning callout in the standard cycle block.

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