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Tags and Properties for Check-in c82c04b10d

Context
2026-08-06
21:44
repocache: drop the 2 GiB cap whose rationale the code contradicts

The cap was justified as bounding 'a lying on-disk size before any allocation'. The read path takes stat's size and allocates exactly that, so there was no claim to distrust. What it did do was silently refuse a larger cache -- and a cache is advisory, so that refusal is invisible, degrading to a full rebuild with no diagnostic.

Real bounds stay where they bind: the usize cast on read, the u32 image_len field on write. (#38) check-in: c82c04b10d user: dmestas tags: sub-manifest

2026-07-27
19:29
Sub-manifest: card alphabet, artifact type, and the specification's vectors

Adds S as the twenty-second card letter and SUBMANIFEST as the ninth artifact type, per draft-fossil-submanifests-00 sections 3 and 4. Type determination reassigns after the card scan rather than during it, so no type is committed while cards are still being read (section 9.1). Reading and classification only: no tree walk, no emission.

The draft's seven appendix vectors ship alongside, each named by the SHA3-256 the draft states and checked by a test that recomputes it. check-in: 9b8bad477a user: dmestas tags: sub-manifest