Garry Tan
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237f4d8638
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feat(brain): gstack-brain-cache CLI (T2a) — core subcommands
bin/gstack-brain-cache: TS CLI with five subcommands:
get <entity-name> [--project <slug>]
refresh [--full] [--entity X] [--project <slug>]
invalidate <entity-name> [--project <slug>]
digest <entity-slug>
meta [--project <slug>]
Cache layout per Phase 0.5 design:
~/.gstack/brain-cache/ ← cross-project (user-profile)
~/.gstack/projects/<slug>/brain-cache/ ← per-project (everything else)
Per-entity TTL drives staleness; per-entity byte budgets enforce
compression at write time. Atomic writes via tmp+rename. Stale-but-usable
fallback when brain unreachable (returns cached digest with diagnostic
prefix instead of failing). Schema-version mismatch + endpoint switch
both trigger full rebuild for the affected scope (D4 A4).
Fetch+compress paths wired for the 7 entities (user-profile, product,
goals, developer-persona, brand, competitive-intel, recent-decisions,
salience) via gbrain CLI shell-out — works for local PGLite and
local-stdio MCP, transparent over the existing spawnGbrain helper.
Concurrent-refresh dedup (D3 / T15) is a follow-up commit. Salience
allowlist gate (D9 / T17) is a follow-up commit. Bootstrap + lifecycle
subcommands (T2b / T18) are follow-up commits.
test/brain-cache-roundtrip.test.ts: 11 tests covering path resolution,
meta lifecycle, endpoint detection, schema mismatch behavior, and the
four cache states (warm / cold-refreshed / stale-fallback / missing).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2026-05-26 23:04:53 -07:00 |