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Cut 2 of the Eureka pipeline state campaign, behaviour-preserving.
commit_authorized_mind_mutation stays the only code that builds receipts,
replays and runs batch CAS, but no longer hard-codes the Mind store:
- TypedCommitStore { store_id, open_cache, validate_write } is its first
argument.
- MIND_COMMIT_STORE = { "epiphany-mind", runtime_spine_cache,
validate_mind_write_envelope }, passed by all six wrappers.
- Deleted from the owner: runtime_spine_cache(store_path),
validate_mind_write_envelope(write), and the two "epiphany-mind"
literals on receipt versions.
The backing store for CAS stays runtime_spine_backing_store(store_path).
Tests:
- typed_commit_store_profile_owns_open_validate_and_store_id: a test
profile with a two-type registry and a key-refusing validator; a
refused write leaves the store byte-identical, and receipt versions
carry the profile's store id.
- mind_commit_store_profile_keeps_mind_validation_receipts_replay_and_conflicts:
through a Mind wrapper, Mind semantic-identity validation refuses
without writing, receipt versions carry "epiphany-mind", the receipt id
equals a pinned digest, exact replay returns the stored receipt, and a
stale strong read maps to Conflict naming it.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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