Erich Blume c81d45a291 heph-core: real HLC + persistent device origin (sync 8a) ... First sync slice. Ratifies yrs for body merge in the tech-spec. - hlc module: Hlc (physical, counter, origin) with a fixed-width encoding whose lexical order equals causal order; HlcClock generator (tick/update) — clock-injected, strictly monotonic. Unit + 2 proptests. - meta table (migration v3) holds the stable per-device `origin` and the last HLC. next_hlc() does a read-modify-write inside the caller's transaction (store is single-writer, so no race), replacing the timestamp placeholder. Every node write is now stamped with a real, monotonic, causally-ordered HLC. 4 stamping integration tests (monotonic under stalled/regressed clock; origin shared + persists across reopen; HLC resumes from persisted state). 89 tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>		2026-05-31 21:13:55 -07:00
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reference.md	Set up hephaestus from template and add design + tech spec	2026-05-31 09:37:28 -07:00
tech-spec.md	heph-core: real HLC + persistent device origin (sync 8a)	2026-05-31 21:13:55 -07:00