Files
gbrain/package.json
T
9c60b3a068 v0.31.3 fix: stdio MCP graceful cleanup + engine-aware auth/admin SQL (closes #413, #446) (#801)
* fix(serve): clean up stdio MCP server on client disconnect

The PGLite write lock leaked indefinitely when the parent of `gbrain serve`
disconnected. Three root causes: serve.ts never called engine.disconnect()
after startMcpServer() resolved; cli.ts short-circuited with a "serve doesn't
disconnect" comment; and the MCP SDK's StdioServerTransport only listens for
'data'/'error' on stdin, never 'end'/'close', so even a clean stdin EOF never
reached the SDK.

Net effect: the next `gbrain serve` waited for the in-process 5-minute stale-
lock check or hung indefinitely.

stdio path now installs a unified lifecycle:
- SIGTERM/SIGINT/SIGHUP all funnel into one idempotent shutdown path
  (SIGHUP coverage matters for Claude Desktop on macOS / MCP gateway
  restarts; SIGINT for Ctrl-C; SIGTERM for daemon shutdown).
- stdin 'end' (clean EOF) and 'close' (parent SIGKILL with pipe still
  open) both trigger the same graceful path. TTY stdin skips the watchers
  so interactive `gbrain serve` is unaffected.
- Parent-process watchdog polls the live kernel parent PID via spawnSync
  ('ps','-o','ppid=','-p',PID) every 5s. process.ppid is cached at process
  creation by Bun (and Node) and never refreshes on re-parent — empirical
  evidence on macOS shows ps reports the new parent within one tick while
  process.ppid stays at the original PID indefinitely (oven-sh/bun#30305).
- Watchdog fires on `getParentPid() !== initialParentPid` (any reparent),
  not just `=== 1`. Catches launchd / systemd / tmux / parent-shell-with-
  PR_SET_CHILD_SUBREAPER cases where the kernel re-anchors us to a non-1
  subreaper PID. Codex review caught the original `=== 1` was incomplete.
- One-shot startup probe verifies `spawnSync('ps')` actually works on this
  host. If the probe fails (stripped containers / busybox without procps),
  we skip installing the watchdog interval entirely AND emit a loud stderr
  line — the operator sees "watchdog disabled" instead of an installed-
  but-never-fires phantom that silently falls back to cached process.ppid.
- 5-second cleanup deadline: if engine.disconnect() wedges (PGLite WASM
  stall, etc.), the process still calls process.exit(0). The abandoned
  lock dir is reclaimed on the next start by the existing stale-lock
  check in pglite-lock.ts.
- Optional `--stdio-idle-timeout <sec>`: default OFF safety net for
  parents that leak the pipe but never close it. Strict parsing rejects
  `abc` / `30junk` / `-1` / `1.5` / blank values explicitly so a typo
  doesn't silently disable the safety net (closes #446).

Test seam: ServeOptions { stdin, signals, exit, log, startMcpServer,
getParentPid, setInterval, clearInterval, probeWatchdog } lets the
lifecycle be unit-tested deterministically without spawning a real Bun
child or booting the MCP SDK.

22 test cases covering signals, stdin EOF, TTY skip, watchdog reparent
(both PID-1 and subreaper-PID-N cases), ps-unavailable degraded mode,
idle timeout, idempotent shutdown, and cleanup-deadline behavior.

Closes #413, #446. Supersedes #591.

Co-Authored-By: Aragorn2046 <noreply@github.com>
Co-Authored-By: seungsu-kr <noreply@github.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(auth): route HTTP auth/admin SQL through active engine

`gbrain auth` and `gbrain serve --http` previously routed every SQL
through the postgres.js singleton in src/core/db.ts, which silently fell
back to a file-backed PGLite when DATABASE_URL was set but the config
file disagreed. The HTTP transport's verbatim use of the singleton also
made `gbrain serve --http` Postgres-only, even though the
`access_tokens` and `mcp_request_log` tables exist in both engine
schemas.

Auth, OAuth, admin, file uploads, and HTTP-transport SQL now run through
`engine.executeRaw` via a deliberately narrow tagged-template adapter
(`src/core/sql-query.ts`). The contract is scalar-binds-only — adding
JSONB or fragment composition would invite the adapter to drift into a
partial postgres.js clone. JSONB writes use a separate
`executeRawJsonb(engine, sql, scalarParams, jsonbParams)` helper that
composes positional `$N::jsonb` casts and passes objects through
`engine.executeRaw`. The CI guard at `scripts/check-jsonb-pattern.sh`
doesn't fire because the helper is a method call, not the banned
`${JSON.stringify(x)}::jsonb` template-literal interpolation, and the
v0.12.0 double-encode bug class doesn't apply to positional binding via
`postgres.js`'s `unsafe()` (verified by
`test/e2e/auth-permissions.test.ts:67` on Postgres and the new
`test/sql-query.test.ts` on PGLite).

Migrated call sites:
  - src/commands/auth.ts: takes-holders writes (lines 52, 86) →
    executeRawJsonb. List, revoke, register-client, revoke-client →
    SqlQuery via withConfiguredSql() helper that opens an engine, runs
    the callback, disconnects.
  - src/commands/serve-http.ts: ~25 call sites including the four
    mcp_request_log.params INSERTs (now write real JSONB objects, not
    JSON-encoded strings — the read side `params->>'op'` returns the
    operation name, closing CLAUDE.md's outstanding "JSON-string-into-
    JSONB" note as a side effect). The /admin/api/requests dynamic
    filter pattern (postgres.js fragment composition) is rewritten as
    parametrized SQL string + params array.
  - src/mcp/http-transport.ts: legacy bearer-auth path. The
    Postgres-only fail-fast at startup is removed because both schemas
    now carry access_tokens + mcp_request_log.
  - src/core/oauth-provider.ts: SqlQuery / SqlValue types relocated
    from here to sql-query.ts as the canonical home (Codex finding #8).
  - src/commands/files.ts: all 5 db.getConnection() sites (lines 104,
    139, 252, 326, 355). The line-256 INSERT into files.metadata uses
    executeRawJsonb; the other four are scalar-only SqlQuery (Codex
    finding #6 — scope was bigger than the plan's "lone INSERT" framing).
  - src/core/config.ts: env-var DATABASE_URL inference. When dbUrl is
    set, infer Postgres engine and clear the stale database_path.

Engine-internal sql.json() sites in src/core/postgres-engine.ts (5
sites: lines 520, 1689, 1728, 1790, 2313) STAY UNCHANGED. They live
inside PostgresEngine itself, where the postgres.js template-tag
sql.json() pattern is correct — those methods are only loaded when
Postgres is the active engine, so there's no PGLite-routing concern.

Migration v45 (mcp_request_log_params_jsonb_normalize): one-shot UPDATE
that lifts pre-v0.31 string-shaped JSONB rows to objects so the
/admin/api/requests endpoint at serve-http.ts:605 returns one
consistent shape to the admin SPA. Idempotent (subsequent runs find no
rows where jsonb_typeof = 'string'). Closes the mixed-shape window
that would otherwise have made post-deploy admin reads break.

Tests:
  - test/sql-query.test.ts: 7 cases covering scalar binds, the
    .json() rejection (defense in depth — SqlQuery is scalar-only),
    JSONB round-trip with `jsonb_typeof = 'object'` and `->>`
    semantics, the v0.12.0 double-encode regression guard, null
    JSONB handling, and the scalars-then-jsonb call shape.
  - test/config-env.test.ts: migrated from PR's manual `restoreEnv()`
    in afterEach to the canonical `withEnv()` helper at
    test/helpers/with-env.ts (CLAUDE.md R1 / codex finding D3).
    Five cases covering DATABASE_URL precedence, GBRAIN_DATABASE_URL
    operator override, file-only config, env-only config, and the
    no-config null path.
  - test/e2e/auth-takes-holders-pglite.test.ts: 6 cases against
    in-memory PGLite (no DATABASE_URL gate). Covers create / update /
    read of access_tokens.permissions, mcp_request_log.params object
    + null writes, and the migration v45 normalizer (seed
    string-shaped row, run UPDATE, assert object shape; second-run
    no-op for idempotency).
  - test/http-transport.test.ts: mock updated to intercept
    engine.executeRaw (the new code path) instead of the postgres.js
    template tag. 24 cases pass.

Plan reference: ~/.claude/plans/system-instruction-you-are-working-peppy-moore.md.
Codex outside-voice review applied: D-codex-1, D-codex-2, D-codex-5,
D-codex-8, D-codex-9, D-codex-10 (and D1, D5 reversed by codex).

Closes the architectural intent of #681. Supersedes its branch.

Co-Authored-By: codex-bot <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs: update CLAUDE.md key files for v0.31.3

Annotate the v0.31.3 changes in the canonical Key Files section:
new src/core/sql-query.ts adapter (#681), src/commands/serve.ts stdio
cleanup (#676), v0.31.3 amendments to auth.ts / serve-http.ts /
oauth-provider.ts surfaces, and migration v46 normalizer in migrate.ts.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* chore: regenerate llms-full.txt for v0.31.3 docs sync

CI's build-llms test asserts the committed llms.txt + llms-full.txt
match what scripts/build-llms.ts produces from current source state.
CLAUDE.md was amended by /document-release post-merge (new entries for
src/core/sql-query.ts and src/commands/serve.ts; amended notes on
auth.ts / serve-http.ts / migrate.ts), so the inlined-bundle fell out
of sync. Regenerated via `bun run build:llms`.

llms.txt unchanged (curated index — no new web URLs added).
llms-full.txt updated to inline the new CLAUDE.md content.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Aragorn2046 <noreply@github.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 22:58:19 -07:00

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{
"name": "gbrain",
"version": "0.31.3",
"description": "Postgres-native personal knowledge brain with hybrid RAG search",
"type": "module",
"main": "src/core/index.ts",
"bin": {
"gbrain": "src/cli.ts"
},
"exports": {
".": "./src/core/index.ts",
"./engine": "./src/core/engine.ts",
"./types": "./src/core/types.ts",
"./operations": "./src/core/operations.ts",
"./minions": "./src/core/minions/index.ts",
"./engine-factory": "./src/core/engine-factory.ts",
"./pglite-engine": "./src/core/pglite-engine.ts",
"./link-extraction": "./src/core/link-extraction.ts",
"./import-file": "./src/core/import-file.ts",
"./transcription": "./src/core/transcription.ts",
"./embedding": "./src/core/embedding.ts",
"./config": "./src/core/config.ts",
"./markdown": "./src/core/markdown.ts",
"./backoff": "./src/core/backoff.ts",
"./search/hybrid": "./src/core/search/hybrid.ts",
"./search/expansion": "./src/core/search/expansion.ts",
"./extract": "./src/commands/extract.ts"
},
"scripts": {
"dev": "bun run src/cli.ts",
"build": "bun build --compile --outfile bin/gbrain src/cli.ts",
"build:all": "bun build --compile --target=bun-darwin-arm64 --outfile bin/gbrain-darwin-arm64 src/cli.ts && bun build --compile --target=bun-linux-x64 --outfile bin/gbrain-linux-x64 src/cli.ts",
"build:admin": "cd admin && bun run build",
"build:schema": "bash scripts/build-schema.sh",
"build:llms": "bun run scripts/build-llms.ts",
"build:pglite-snapshot": "bun run scripts/build-pglite-snapshot.ts",
"test": "bash scripts/run-unit-parallel.sh",
"test:full": "bun run verify && bash scripts/run-unit-parallel.sh && bun run test:slow && ([ -n \"$DATABASE_URL\" ] && bash scripts/run-e2e.sh || echo '[test:full] skipped E2E (no DATABASE_URL); run docker-compose -f docker-compose.ci.yml up + bun run test:e2e to include' 1>&2)",
"verify": "bun run check:privacy && bun run check:jsonb && bun run check:progress && bun run check:test-isolation && bun run check:wasm && bun run check:admin-build && bun run check:admin-scope-drift && bun run check:cli-exec && bun run typecheck",
"check:admin-scope-drift": "scripts/check-admin-scope-drift.sh",
"check:cli-exec": "scripts/check-cli-executable.sh",
"check:all": "scripts/check-privacy.sh && scripts/check-jsonb-pattern.sh && scripts/check-progress-to-stdout.sh && scripts/check-no-legacy-getconnection.sh && scripts/check-test-isolation.sh && scripts/check-trailing-newline.sh && scripts/check-wasm-embedded.sh && scripts/check-exports-count.sh && scripts/check-admin-build.sh && scripts/check-admin-scope-drift.sh && scripts/check-cli-executable.sh",
"check:wasm": "scripts/check-wasm-embedded.sh",
"check:newlines": "scripts/check-trailing-newline.sh",
"test:e2e": "bash scripts/run-e2e.sh",
"test:slow": "bash scripts/run-slow-tests.sh",
"test:profile": "bash scripts/profile-tests.sh",
"test:serial": "bash scripts/run-serial-tests.sh",
"ci:local": "bash scripts/ci-local.sh",
"ci:local:diff": "bash scripts/ci-local.sh --diff",
"ci:select-e2e": "bun run scripts/select-e2e.ts",
"typecheck": "tsc --noEmit",
"check:jsonb": "scripts/check-jsonb-pattern.sh",
"check:privacy": "scripts/check-privacy.sh",
"check:progress": "scripts/check-progress-to-stdout.sh",
"check:exports-count": "scripts/check-exports-count.sh",
"check:admin-build": "scripts/check-admin-build.sh",
"check:test-isolation": "scripts/check-test-isolation.sh",
"postinstall": "command -v gbrain >/dev/null 2>&1 && gbrain apply-migrations --yes --non-interactive || echo '[gbrain] postinstall skipped. If installed via bun install -g github:...: run `gbrain doctor` and `gbrain apply-migrations --yes` manually. See https://github.com/garrytan/gbrain/issues/218' 1>&2",
"prepublish:clawhub": "bun run build:all",
"publish:clawhub": "clawhub package publish . --family bundle-plugin"
},
"openclaw": {
"compat": {
"pluginApi": ">=2026.4.0"
}
},
"dependencies": {
"@ai-sdk/anthropic": "^3.0.71",
"@ai-sdk/google": "^3.0.64",
"@ai-sdk/openai": "^3.0.53",
"@ai-sdk/openai-compatible": "^2.0.41",
"@anthropic-ai/sdk": "^0.30.0",
"@aws-sdk/client-s3": "^3.1028.0",
"@dqbd/tiktoken": "^1.0.22",
"@electric-sql/pglite": "0.4.3",
"@jsquash/avif": "^2.1.1",
"@jsquash/png": "^3.1.1",
"@modelcontextprotocol/sdk": "1.29.0",
"ai": "^6.0.168",
"cookie-parser": "^1.4.7",
"cors": "^2.8.5",
"eventsource-parser": "^3.0.8",
"exifr": "^7.1.3",
"express": "^5.1.0",
"express-rate-limit": "^7.5.0",
"gray-matter": "^4.0.3",
"heic-decode": "^2.1.0",
"marked": "^18.0.0",
"openai": "^4.0.0",
"pgvector": "^0.2.0",
"postgres": "^3.4.0",
"tree-sitter-wasms": "0.1.13",
"web-tree-sitter": "0.22.6",
"zod": "^4.3.6"
},
"devDependencies": {
"@types/bun": "latest",
"@types/cookie-parser": "^1.4.7",
"@types/cors": "^2.8.19",
"@types/express": "^5.0.6",
"bun-types": "^1.3.13",
"typescript": "^5.6.0"
},
"trustedDependencies": [
"@electric-sql/pglite"
],
"engines": {
"bun": ">=1.3.10"
},
"license": "MIT"
}