mirror of https://github.com/garrytan/gstack.git
6 Commits
| Author | SHA1 | Message | Date |
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Garry Tan
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40d00bd2ce
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v1.41.1.0 fix wave: 7 HIGH bugs from external audit + regression tests (PR #1169 follow-up) (#1592)
* fix(build-app): escape sed replacement metachars in Chromium rebrand
build-app.sh injects \$APP_NAME directly into the replacement half of
sed's s/// when patching Chromium's localized InfoPlist.strings. If
\$APP_NAME ever carries '/', '&', or '\\' — the command either breaks
or starts interpreting input as sed syntax. The trailing '|| true'
would then silently hide the failure and ship a DMG that still says
'Google Chrome for Testing' in the menu bar.
Escape replacement metachars before substitution. No change for the
default name 'GStack Browser'.
* fix(build-app): bail out if 'mktemp -d' fails instead of cp-ing into '/'
The DMG creation step sets DMG_TMP from 'mktemp -d' with no error check.
If mktemp fails (tmpfs full, permissions, TMPDIR misconfigured), DMG_TMP
is empty and the very next line — 'cp -a "\$APP_DIR" "\$DMG_TMP/"' —
expands to 'cp -a "<app>" "/"', which copies the bundle into the root of
the filesystem.
Refuse to continue unless mktemp produced a real directory. Defensive
second check catches the (rare) case where mktemp succeeds but returns
something that isn't a directory we can cp into.
* fix(telemetry-sync): drop predictable $$ tmp-file fallback
gstack-telemetry-sync tried 'mktemp /tmp/gstack-sync-XXXXXX' and on
failure fell back to '/tmp/gstack-sync-$$'. $$ is the PID — predictable
and reusable, so on shared hosts another user can pre-create or symlink
the path and either steal the response body or clobber an unrelated
file when curl writes through it.
Drop the fallback. If mktemp cannot produce a unique file we just skip
this sync cycle — the events stay on disk and the next run picks them
up. Also install an EXIT trap so the response file is cleaned up on
unexpected exit, not just on the happy path.
* fix(verify-rls): drop predictable $$-based tmp file fallback
Same shape as gstack-telemetry-sync: on mktemp failure the script fell
back to '/tmp/verify-rls-$$-$TOTAL', which is fully predictable from the
PID and a per-check counter. On a shared box another user can pre-create
or symlink the path and either capture the HTTP response body (which may
leak what the RLS tests revealed) or corrupt an unrelated file that curl
writes through.
Make mktemp strict. On failure return from the check function; the caller
tallies a FAIL and the run moves on.
* fix(security-classifier): close writer + delete tmp on download error
downloadFile() opens an fs.WriteStream to '<dest>.tmp.<pid>' and drives
it from a fetch body reader, but if reader.read() or writer.write()
throws mid-download the writer is never closed. That leaks an FD per
failed attempt and leaves the half-written tmp on disk. A later retry
can land in renameSync(tmp, dest) with a truncated TestSavantAI /
DeBERTa ONNX file — which then loads but produces garbage classifier
verdicts until the user manually nukes the models cache.
Wrap the download loop in try/catch. On failure, destroy() the writer
and unlink the tmp before rethrowing, so the next attempt starts from a
clean slate.
* fix(meta-commands): guard JSON.parse in pdf --from-file parser
parsePdfFromFile() runs JSON.parse on user-supplied file contents with
no try/catch. A malformed payload surfaces as an uncaught SyntaxError
from the 'pdf' command handler and the user sees an opaque stack trace
instead of "this file isn't valid JSON". Worse, the same call path is
used by make-pdf when header/footer HTML would overflow Windows'
CreateProcess argv cap, so a corrupt payload file there can take down
the make-pdf run.
Wrap JSON.parse. Re-throw with a message that names the offending file
and echoes the parser's own explanation. Also reject top-level non-
objects (null, array, primitive) since the rest of the function treats
json as an object — catching that here produces a clear error instead
of a TypeError further down.
* fix(global-discover): stop dropping sessions when header >8KB
extractCwdFromJsonl() reads the first 8KB of each JSONL session file and
runs JSON.parse on every newline-split line. When a session record
happens to straddle the 8KB cap, the last line ends in a truncated JSON
fragment, JSON.parse throws, the catch block 'continue's silently, and
if that was the only line carrying 'cwd' the whole project gets dropped
from the discovery output without a warning.
Two independent hardening steps:
1. Raise the read cap to 64KB. Session headers observed in Claude
Code / Codex / Gemini transcripts fit comfortably; this just moves
the cliff out of the normal range.
2. Drop the final segment after splitting on '\\n'. If the read hit
the cap mid-line, that segment is guaranteed incomplete; if the
file ended inside the buffer, the split produces an empty final
segment and dropping it is a no-op.
Together these make the parser robust regardless of how verbose the
leading records are.
* test: export downloadFile, parsePdfFromFile, extractCwdFromJsonl
These three internal helpers are now imported by regression tests
landing in the next commits (PR #1169 follow-up). Pattern matches the
existing normalizeRemoteUrl export in gstack-global-discover.ts which
test/global-discover.test.ts already imports side-effect-free.
No change to runtime behavior; gstack has no public package entrypoint
that would re-export these, so the in-repo surface is unchanged for
callers.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(security-classifier): await writer close before unlinking tmp on error
The earlier downloadFile() error-path cleanup hit a race: Node's
createWriteStream lazily opens the FD and flushes buffered writes during
destroy(), so a naive `fs.unlinkSync(tmp)` immediately after `writer.destroy()`
hits ENOENT (file not yet on disk), then the writer's destroy finishes on the
next tick and creates the file fresh — leaving the half-written tmp behind
exactly as the original fix tried to prevent.
The new sequence awaits the writer's 'close' event before unlinking, so the FD
is fully torn down and no subsequent flush can re-create the path.
Caught by browse/test/security-classifier-download-cleanup.test.ts in the
next commit.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* test(browse): regression tests for downloadFile cleanup + parsePdfFromFile guard
Covers PR #1169 bugs #6 and #7:
- security-classifier-download-cleanup.test.ts pins downloadFile error-path
cleanup against three failure shapes: reader rejects mid-stream, non-2xx
response, missing body. Asserts the dest file is not created and no
<dest>.tmp.* siblings remain (glob-matched, not exact path — codex push:
if the fix later switches to mkdtempSync, the assertion still holds).
Includes a happy-path case so the cleanup isn't fighting a correct download.
- regression-pr1169-pdf-from-file-invalid-json.test.ts pins parsePdfFromFile
to throw a helpful error for: invalid JSON, empty file, top-level array,
top-level number, top-level string, top-level null, top-level boolean.
Codex push: JSON.parse accepts primitives too, so Array.isArray + typeof
guard must be tested separately from the JSON.parse try/catch.
Both files use mkdtempSync(process.cwd()/...) for fixture isolation since
SAFE_DIRECTORIES allows TEMP_DIR or cwd; cwd is universal across CI hosts.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* test(global-discover): regression for extractCwdFromJsonl 64KB cap
PR #1169 bug #8: the 8KB read cap landed mid-line on Claude Code session
headers, JSON.parse threw on the truncated tail, the catch silently
continued, and the project disappeared from /gstack discovery output.
Six new cases under describe("extractCwdFromJsonl 64KB cap"):
- happy path: small JSONL with obj.cwd returns it
- 12KB first line with obj.cwd: returns cwd (the bug case)
- 80KB single line overflowing 64KB: returns null without crashing
- complete line followed by partial second line: trailing-partial-drop
must not poison the result; returns first line's cwd
- missing file: returns null (file read error swallowed)
- malformed first line + valid second line within cap: skips bad,
returns second's cwd
Tests use the exported extractCwdFromJsonl (added in earlier export
commit) and live in a separate describe block from the existing
"4KB / 128KB buffer" tests, which exercise the unrelated scanCodex
meta.payload.cwd path at L338 — different function, different bug.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* test: regression tests for shell-script bugs in PR #1169 (#2-#5)
Two new test files pinning the four shell-script invariants from the
external audit:
regression-pr1169-build-app-sed.test.ts — bugs #2 + #3
- Runtime isolation: extracts the sed-escape sequence from build-app.sh
and runs it against hostile $APP_NAME values ("Foo/Bar&Baz", "Cool\App",
"A/B\C&D"). Asserts the literal hostile name round-trips through a real
`sed s///` invocation, locking the metachar safety end-to-end.
- Static check: the rebrand block must contain both the escape line AND
the sed line referencing $APP_NAME_SED_ESCAPED; bare $APP_NAME
interpolation directly into the s/// replacement is rejected.
- Static check: DMG_TMP=$(mktemp -d) is followed by an explicit `|| { ... exit }`
failure handler AND a `[ -z "$DMG_TMP" ] || [ ! -d "$DMG_TMP" ]` validation
AND the cp -a appears AFTER both guards.
- Runtime fake-bin: extracts the guard shape, runs with a fake mktemp that
exits 1, asserts the script exits non-zero before any cp block can reach.
regression-pr1169-mktemp-fallbacks.test.ts — bugs #4 + #5
- Per codex pushback, the invariant is "no `mktemp ... || echo <path>`
fallback shape" — not just "no $$ token." That's a stronger invariant
that catches future swaps to $RANDOM or hardcoded paths.
- For each of bin/gstack-telemetry-sync and supabase/verify-rls.sh:
- no echo-based fallback after mktemp
- no $$ inside any /tmp path literal
- mktemp failure path explicitly exits / returns non-zero
- telemetry-sync also pins the `trap rm -f $RESP_FILE EXIT` cleanup
so success paths don't leak the tmp on normal exit.
All seven new test files are gate-tier (deterministic, sub-second, no LLM,
no network). Runtime shell tests use fake-bin PATH stubs in temp dirs;
no $HOME mutation.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* chore: bump version and changelog (v1.41.1.0)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---------
Co-authored-by: RagavRida <ragavrida@gmail.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Garry Tan
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0c88517a0f
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v1.34.0.0 feat: gstack consumable as submodule (factory-export API + AUTH_TOKEN env + import.meta.main gate) (#1472)
* feat(config): add resolveGstackHome, resolveChromiumProfile, cleanSingletonLocks Three new exported helpers in browse/src/config.ts: - resolveGstackHome(): honors GSTACK_HOME env, falls back to os.homedir()/.gstack Matches the existing convention in browse/src/telemetry.ts:26 and browse/src/domain-skills.ts:66. - resolveChromiumProfile(explicit?): explicit arg wins -> CHROMIUM_PROFILE env -> resolveGstackHome()/chromium-profile. Lets gbrowser pass per-workspace profile paths through ServerConfig instead of relying on ambient env state. - cleanSingletonLocks(dir): removes SingletonLock/Socket/Cookie via safeUnlinkQuiet. Defensive guard refuses to operate unless dir basename is 'chromium-profile' OR matches explicit CHROMIUM_PROFILE env value, preventing accidental deletion in unrelated directories. Extends browse/test/config.test.ts with 12 tests covering env precedence, guard behavior, ENOENT swallowing, and CHROMIUM_PROFILE override. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(security-classifier): TDZ when claude CLI is missing from PATH The checkTranscript Promise executor in browse/src/security-classifier.ts referenced `finish()` at the !claude early-return guard before declaring it 5 lines later. JavaScript throws ReferenceError: Cannot access 'finish' before initialization (TDZ) for that path, but the path is only reachable when resolveClaudeCommand returns null inside the spawn block (a TOCTOU window vs. the outer checkHaikuAvailable cache). Fix: hoist `let stdout = ''`, `let done = false`, and `const finish` block above `const claude = resolveClaudeCommand()` so finish is in scope before any reference to it. Behavior is identical when claude is on PATH; the fix only matters for the dormant missing-CLI degraded path. Adds browse/test/security-classifier-tdz.test.ts as the regression guard: clears PATH + override env vars, calls checkTranscript, asserts the result serializes with degraded:true and a meaningful reason field. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(browser-manager): isCustomChromium gate + per-workspace profile + lock cleanup Three fold-ins so gbrowser can become a thin overlay instead of forking browse-server: - Export isCustomChromium(): detects custom Chromium builds that bake the extension in as a component extension. Prefers explicit GSTACK_CHROMIUM_KIND=custom-extension-baked signal; falls back to GSTACK_CHROMIUM_PATH substring containing 'GBrowser' / 'gbrowser'. Gates the --load-extension push at launchHeaded so we don't trigger ServiceWorkerState::SetWorkerId DCHECK when two copies of the same service worker race to register. - Swap hardcoded path.join(HOME, '.gstack', 'chromium-profile') in launchHeaded for resolveChromiumProfile() so phoenix can pass a per-workspace profile via CHROMIUM_PROFILE env (one daemon per gbd workspace, each with a distinct profile dir). - Call cleanSingletonLocks(userDataDir) immediately after mkdirSync. Chromium's ProcessSingleton refuses to start when stale SingletonLock/Socket/Cookie files survive a SIGKILL or hard crash; pre-launch cleanup defends against the crash case. Safe under external coordination (gbd.lock for gbrowser, single-instance CLI check for gstack). The existing .auth.json write at L291-302 is preserved — extensions still need it for bootstrap even when component-baked. Adds browse/test/browser-manager-custom-chromium.test.ts with 8 tests covering both the env-kind and path-substring signals plus stock / playwright-bundled Chromium negative cases. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(server): factory-export API surface + import.meta.main gate Surfaces the embedder API gbrowser (phoenix) needs to consume gstack as a submodule, and gates module-load side effects so the file is safe to import without auto-starting a daemon. Changes to browse/src/server.ts: - AUTH_TOKEN now honors process.env.AUTH_TOKEN (trimmed) before falling back to crypto.randomUUID(). Whitespace-only values are rejected so the security boundary can't be silently weakened. - New exported types: ServerConfig and ServerHandle. ServerConfig documents the full factory contract (authToken, browsePort, idleTimeoutMs, config, browserManager, chromiumProfile, xvfb, proxyBridge, startTime, beforeRoute). ServerHandle documents the return shape (fetchLocal, fetchTunnel, shutdown, stopListeners). Caller-owned lifecycle annotations on xvfb and proxyBridge prevent double-close bugs from surprise ownership. - New exported function: resolveConfigFromEnv() builds a ServerConfig-shaped object from process.env for CLI use. Embedders construct their own ServerConfig explicitly. - start() is now exported. Embedders can call it with env vars set as a v1 escape hatch until full buildFetchHandler extraction lands. - Signal handlers (SIGINT, SIGTERM, Windows exit, uncaughtException, unhandledRejection) and the auto-kickoff at module bottom are now wrapped in `if (import.meta.main)`. CLI path is unchanged. Embedders register their own handlers. - shutdown() and emergencyCleanup() now call cleanSingletonLocks( resolveChromiumProfile()) instead of inline path+loop. Single implementation, defensive guard, honors per-workspace CHROMIUM_PROFILE. New tests: - browse/test/server-no-import-side-effects.test.ts: spawns a fresh Bun subprocess that imports server.ts, asserts no signal handlers registered, no state-dir populated. Guards the core refactor invariant from regression. - browse/test/server-factory.test.ts: 12 tests covering AUTH_TOKEN env behavior (honored, whitespace-rejected, trimmed), preserved exports (TUNNEL_COMMANDS, canDispatchOverTunnel), and ServerConfig/ServerHandle type compatibility. Deferred to follow-up PR: full buildFetchHandler extraction that hoists the 13 module-level mutables + helpers into a factory closure. Phoenix can ship v0.6.0.0 against the start()+env surface today; the cleaner factory comes next. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix: harden auth-token validation, TDZ try/catch, lockfile path safety Three security hardening fixes from /ship adversarial review: 1. AUTH_TOKEN unicode-whitespace bypass (server.ts:67-83). Old: `process.env.AUTH_TOKEN?.trim() || randomUUID()` only stripped ASCII whitespace. A misconfigured embedder shipping AUTH_TOKEN=$'' (BOM) or $'' (zero-width space) would silently get a one-character bearer secret. New `sanitizeAuthToken()` strips all unicode whitespace via regex and requires >= 16 chars after stripping; anything shorter falls back to crypto.randomUUID(). Same sanitizer used by `resolveConfigFromEnv()` so the embedder path is hardened too. 2. security-classifier.ts checkTranscript safety net. `resolveClaudeCommand()` and `spawn()` can throw under transient conditions (PATH probe failure, posix_spawn ENOMEM). Old code let the throw propagate and rejected the Promise with a raw exception. Now wrapped in try/catch that calls finish() with a degraded signal, matching the graceful-degradation contract the layer already promises for missing-CLI / exit-nonzero / parse-error. 3. cleanSingletonLocks defensive guard tightened (config.ts). Old: basename === 'chromium-profile' OR userDataDir === $CHROMIUM_PROFILE. The second branch was env-controlled and the first was bypassable by passing a relative path that resolved to chromium-profile via CWD drift. New guard: refuses relative paths outright, resolves both sides via path.resolve(), and only accepts the env-match path when $CHROMIUM_PROFILE is itself absolute. Test updates: replace the old `.trim()` test with three new cases covering unicode-whitespace stripping, short-token rejection, and zero-width-only rejection (server-factory.test.ts). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore: bump version and changelog (v1.34.0.0) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Garry Tan
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00f966b3ec
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v1.30.0.0 fix wave: 21 community PRs + Windows CI extension + codex flag-semantics smoke (#1391)
* fix(codex): use resume-compatible flags * fix: V-001 security vulnerability Automated security fix generated by Orbis Security AI * docs: align prompt-injection thresholds to security.ts (v1.6.4.0 catch-up) CLAUDE.md:290 and ARCHITECTURE.md:159 were missed when WARN was bumped 0.60 → 0.75 in |
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Garry Tan
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0570ef93a5
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v1.24.0.0 feat: cross-platform hardening — curated Windows lane + Bun.which resolver + path-portability helper (#1252)
* feat(paths): bin/gstack-paths helper + migrate 8 skills off inline state-root chains
New bin/gstack-paths emits GSTACK_STATE_ROOT, PLAN_ROOT, TMP_ROOT exports for
skill bash blocks to source via eval. Honors GSTACK_HOME → CLAUDE_PLUGIN_DATA →
$HOME/.gstack → .gstack (and parallel chains for plan/tmp roots) so skills work
the same in plugin installs, global installs, and CI containers without HOME.
Eight skills migrate off inline ${CLAUDE_PLUGIN_DATA:-...} or ${GSTACK_HOME:-...}
chains: careful, freeze, guard, unfreeze, investigate, context-save,
context-restore, learn, office-hours, plan-tune, codex. Resolved values are
identical, so existing tests cover correctness; the win is consolidating 11
copy-pasted fallback chains behind one helper.
codex/SKILL.md.tmpl gets a new Step 0.6 Resolve portable roots that sources
gstack-paths once, then replaces hardcoded ~/.claude/plans/*.md and
/tmp/codex-*-XXXXXX.txt with "$PLAN_ROOT"/*.md and "$TMP_ROOT/codex-*-XXXXXX.txt".
Hardening direction credited to the McGluut/gstack fork; this is upstream's
factoring of the per-skill chain the fork inlined.
Tests: test/gstack-paths.test.ts covers all three fallback chains with 8 unit
tests (HOME unset, CLAUDE_PLUGIN_DATA set, GSTACK_HOME wins, etc).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(claude-bin): Bun.which wrapper for cross-platform claude resolution
Replaces 75 LOC of fork-side reimplementation (PATH parsing, Windows PATHEXT,
case-insensitive Path/PATH, X_OK) with a thin wrapper around Bun.which() — the
runtime built-in that already does all of it. New file is ~70 LOC including
the override + arg-prefix logic the runtime doesn't cover.
Override branch fixed: GSTACK_CLAUDE_BIN=wsl now resolves through Bun.which()
just like a bare claude lookup would. The McGluut fork's claude-bin.ts only
handled absolute-path overrides; bare commands silently returned null. Passing
the override value through Bun.which fixes the documented use case for free.
Five hardcoded claude spawn sites rewired through resolveClaudeCommand:
- browse/src/security-classifier.ts:396 — version probe
- browse/src/security-classifier.ts:496 — Haiku transcript classifier
- scripts/preflight-agent-sdk.ts — preflight binary pinning
- test/helpers/providers/claude.ts — LLM judge availability + run
- test/helpers/agent-sdk-runner.ts — SDK harness binary resolver
All retain their existing degrade-on-missing semantics.
Tests: browse/test/claude-bin.test.ts has 9 unit tests including the
override-PATH-resolution case the fork's version got wrong.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* docs+test: AGENTS.md/docs/skills.md inventory sync + private-path leak detector
Inventory sync (codex-flagged drift):
- /debug → /investigate (skill renamed in v1.0.1.0)
- AGENTS.md grows from 21 to 40+ skills, organized by category (plan reviews,
implementation, release, operational, browser, safety)
- docs/skills.md gains 11 missing entries: /plan-devex-review, /devex-review,
/plan-tune, /context-save, /context-restore, /health, /landing-report,
/benchmark-models, /pair-agent, /setup-gbrain, /make-pdf
- Stale "<5s bun test" claim dropped — slim-preamble harness + new tests means
no realistic universal claim to make
- Adds explicit "Mac + Linux full, curated Windows lane" platform statement +
"Git Bash / MSYS today, native PowerShell future" install note
New invariants in test/skill-validation.test.ts (~80 LOC):
- Private-path leak detector scans every SKILL.md / SKILL.md.tmpl for known
maintainer-only filenames (coordination-board.md, SEEKING_LOG.md,
RATIONAL_SUBJECT.md, VALUE_SIGNAL_LOOP.md, C:\LLM Playground\go).
Adapted from the McGluut fork's skill-contract-audit.ts; we don't take
the script wholesale because most of its checks are already covered by
test/gen-skill-docs.test.ts:1668-2074 and test/skill-validation.test.ts:1419
— only the private-path scan and doc-inventory cross-check are new.
- Doc-inventory cross-check: every skill directory with a SKILL.md.tmpl must
appear in both AGENTS.md and docs/skills.md. Catches the inventory drift
this commit is fixing — without this test it would just drift again.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(windows): curated windows-free-tests CI job + test-free-shards curation
Codex's v1.18.0.0 review flagged that a windows-latest matrix entry on the
existing Linux-container evals.yml workflow can't work as a drop-in, and that
the free test suite has POSIX-bound dependencies a sharded runner doesn't fix
on its own. This commit takes McGluut's test-free-shards.ts (190 LOC), adds a
Windows-fragility scan, and runs the curated subset on a separate non-container
windows-latest job.
scripts/test-free-shards.ts:
- Enumeration + paid-eval filtering + stable-hash sharding (FNV-1a). Adapted
from McGluut/gstack fork.
- Upstream-original: --windows-only filter scans each test's content for
POSIX-bound patterns: hardcoded /bin/sh, spawn('sh', ...), bash -c, raw
/tmp/, chmod, xargs, which claude. Files matching are excluded with the
reason logged. Currently filters 25 of 128 free tests; remaining 103 run
on windows-latest.
.github/workflows/windows-free-tests.yml:
- Separate non-container job (NOT a matrix entry on evals.yml). Runs:
bun run test:windows # curated subset
bun test browse/test/claude-bin.test.ts # PATHEXT+overrides on Windows
bun test test/gstack-paths.test.ts # state-root resolution
package.json: new test:free + test:windows scripts.
Honest about scope (codex-flagged): this does NOT make the full free suite
Windows-safe. The 25 excluded tests need POSIX-only surfaces ported off shell
primitives (test/ship-version-sync.test.ts:72 hardcodes /bin/bash, etc).
Tracked as a P4 follow-up TODO. Full Windows parity is the next wave; this
release ships the curated lane.
Tests: test/test-free-shards.test.ts has 14 unit tests covering enumeration,
paid-eval filtering, Windows-fragility detection (POSIX patterns + safe code),
and stable sharding determinism.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* chore(release): v1.20.0.0 — cross-platform hardening, curated Windows lane
Cross-platform hardening. Mac + Linux full, curated Windows lane added.
Workspace-aware queue at ship time:
- v1.17.0.0 claimed by garrytan/setup-gbrain-run (PR #1234)
- v1.19.0.0 claimed by garrytan/browserharness (PR #1233)
- This branch claims v1.20.0.0 (next available slot)
(Initially bumped to v1.18.0.0 during plan-mode implementation; rebumped to
v1.20.0.0 at /ship time when gstack-next-version detected the queue had moved.)
Headline numbers (full release-note in CHANGELOG.md):
- 2 new shared resolvers: bin/gstack-paths (61 LOC), browse/src/claude-bin.ts (73 LOC)
- 8 skills migrated off inline state-root chains
- 5 hardcoded claude spawn sites rewired through the shared resolver
- 75 LOC of fork-side reimplementation replaced by Bun.which()
- 103 of 128 free tests run on windows-latest (curated, ~80%)
- +31 new unit tests + 3 new invariants
- AGENTS.md inventory grows from 21 to 40+ skills
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): configure git identity + extend Windows-fragility curation
First windows-free-tests CI run surfaced 34 failures across two patterns:
1. Tests that init a temp git repo via execSync('git commit ...') — Windows
runner has no default git user.email/user.name, so the commit fails.
Fix: add a "Configure git identity" step to .github/workflows/windows-free-tests.yml
that sets a CI-only identity globally.
2. Tests that use POSIX-only APIs unconditionally:
- file-mode bitmask checks (`stat.mode & 0o600`, `mode & 0o111`) — Windows
fakes mode bits and these assertions don't compose
- hardcoded forward-slash path assertions (`file.endsWith('/tab-42.json')`)
— Windows path separators are '\\'
Fix: extend WINDOWS_FRAGILE_PATTERNS in scripts/test-free-shards.ts to
detect both. 8 additional tests now excluded from the curated Windows
subset with logged reasons:
- browse/test/security-review-flow.test.ts (file mode)
- browse/test/security-sidepanel-dom.test.ts (forward-slash path)
- browse/test/url-validation.test.ts (forward-slash path)
- test/gbrain-repo-policy.test.ts (file mode)
- test/relink.test.ts (file mode)
- test/skill-validation.test.ts (file mode — single assertion at :934)
- test/team-mode.test.ts (file mode — also kills its 30 git-init beforeEach failures)
- test/upgrade-migration-v1.test.ts (file mode)
Curated Windows subset: 103 → 95 tests (still ~74% of free suite). All
14 test-free-shards unit tests still pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): enforce LF + build server-node.mjs in CI
Second round of windows-free-tests fixes after the first push. Curated subset
went from 386/34 to 58/4 fails. Remaining 4 fails + 1 error trace to two root
causes:
1. Line-ending sensitivity. Windows checkout with core.autocrlf=true converts
.md/.tmpl files to CRLF. Tests that parse YAML frontmatter with
`/^---\n([\\s\\S]+?)\n---/` then return zero matches — skill-collision-
sentinel.test.ts:120 enumerated 0 skills on Windows, cascading into 3
downstream test failures (sanity, KNOWN_COLLISIONS, /checkpoint resolved).
Fix: add .gitattributes that pins LF for .md/.tmpl/.yml/.json/.toml/.sh/
.ts/.tsx/.js/.mjs/.cjs/.bash. Root-cause fix; prevents future similar
tests from hitting the same trap. Also keeps bash scripts LF on Linux
runners (CRLF in shebangs produces "bad interpreter" errors).
2. Module-level Windows assertion in browse/src/cli.ts:82 throws if
browse/dist/server-node.mjs is missing. Any test that transitively loads
cli.ts (e.g., browse/test/tab-isolation.test.ts via shard mate imports)
then fails to even start. server-node.mjs is generated by bash
browse/scripts/build-node-server.sh, which `bun run build` calls but
`bun install` does not.
Fix: add a "Build server-node.mjs" step to .github/workflows/
windows-free-tests.yml. Calls only the node-server build script, not
full `bun run build` — we don't need the compiled binaries for tests
and the full build is slow.
Expected: skill-collision-sentinel goes 0→3 pass (sanity, KNOWN_COLLISIONS,
/checkpoint resolved). tab-isolation's "unhandled error between tests"
disappears. Remaining tests should be green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): platform-aware claude-bin test + curate bin/ shebang spawns
Round 3 of windows-free-tests fixes. Round 2 (LF gitattributes + server-node.mjs
build) cleared shard 1 entirely (skill-collision-sentinel and tab-isolation
green). Shard 2 surfaced two more issues:
1. browse/test/claude-bin.test.ts:50 — the "PATH-resolvable override" test
creates a fake binary 'fake-claude-cli' (no extension) and expects
Bun.which to find it. On Windows, Bun.which probes PATHEXT extensions
(.cmd, .exe, .bat) — a bare-name file is not discoverable. Production
behavior is correct; the test was Mac/Linux-shaped.
Fix: branch on process.platform. On Windows, write 'fake-claude-cli.cmd'
with a Windows batch payload instead of a POSIX shebang script.
2. test/gstack-question-log.test.ts (and 18 sibling tests) — spawn a bash
shebang script via spawnSync(BIN, args). Git Bash on Windows can run
`bash /path/to/script` but spawnSync invokes CreateProcess directly,
which doesn't parse #!/usr/bin/env bash. All these tests are
Windows-fragile and can't run as-is.
Fix: extend WINDOWS_FRAGILE_PATTERNS with `path.join(.., 'bin', ..)`
detector. Curates 19 additional tests (benchmark-cli, brain-sync,
builder-profile, explain-level-config, gbrain-*, gstack-question-*,
hook-scripts, learnings, plan-tune, review-log, secret-sink-harness,
taste-engine, telemetry, timeline, uninstall).
Curated Windows subset: 95 → 76 tests (~59% of free suite). Still
meaningful Windows coverage. The 52 excluded tests are tracked as a
follow-up TODO for full Windows parity (shebang-bin spawns + POSIX file
modes + raw /tmp/ etc).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): curate Playwright-launching tests
Round 4 of windows-free-tests fixes. Round 3 cleared shard 2 except for
browse/test/batch.test.ts:35 which calls `await bm.launch()` and triggers
Playwright Chromium launch. The windows-latest runner doesn't have
Chromium installed (browser bring-up is a separate concern, tracked by
PR #1238 windows-pty-bun-pty-fix).
Fix: extend WINDOWS_FRAGILE_PATTERNS with `await \\w+\\.launch\\(` matcher.
Catches batch.test.ts plus 7 sibling tests (commands, compare-board,
content-security, handoff, security-live-playwright, security-sidepanel-dom,
snapshot — most already excluded by other patterns).
Curated Windows subset: 76 → 72 tests (~56% of free suite). Net curation
across all 4 rounds: 56 of 128 free tests excluded, each with a logged
reason. The 56 excluded fall into 6 buckets — POSIX shells, raw /tmp/,
chmod/xargs, file mode bitmasks, forward-slash path assertions, bin/
shebang spawns, and Playwright launches — all tracked as a P4 follow-up
TODO for full Windows parity.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): catch destructured join() bin-spawns + browse server tests
Round 5 of windows-free-tests fixes. Round 4 caught Playwright launchers
but two more failure shapes appeared in shard 5:
1. test/diff-scope.test.ts uses `import { join }` (destructured) and
`join(import.meta.dir, '..', 'bin', 'gstack-diff-scope')`. My round-3
pattern only matched `path.join(...)` — the destructured form slipped
through. Tightened the pattern to match the literal `, 'bin', '<name>'`
path-segment shape regardless of whether it's `path.join` or `join`
directly.
2. browse/test/sidebar-integration.test.ts spawns the browse server via
`spawn(['bun', 'run', server.ts])` with BROWSE_HEADLESS_SKIP=1. The
Bun-run-server.ts path is the same Playwright-on-Windows broken path
that the windows-free-tests job intentionally avoids — the server-node.mjs
route only kicks in for the compiled binary, not direct Bun runs of the
TypeScript source. Added a BROWSE_HEADLESS_SKIP / spawn-bun-run pattern.
Curated Windows subset: 72 → 73 tests (~57% of free suite). Net up by 1
because the tightened bin pattern released one test that was a false
positive in the loose `path\\.join` form.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): broaden bin/ pattern to match path.join(ROOT, 'bin')
Round 6. Round 5 tightened the bin/ pattern to require a script-name segment
after 'bin', which inadvertently released test/brain-sync.test.ts that uses:
const BIN = path.join(ROOT, 'bin');
const full = bin.startsWith('/') ? bin : path.join(BIN, bin);
The 'bin' segment is the LAST argument to path.join — there's no literal
script name to match. The earlier looser pattern caught this; round 5
broke that.
Fix: revert to `,\\s*['"]bin['"]\\s*[,)]` which matches both forms:
- `, 'bin', 'script-name')` (path.join with name) — typical
- `, 'bin')` (path.join ending at bin) — brain-sync style
Curated subset: 73 → 66 tests (~52% of free suite). The 7 additional
exclusions are all bin-script tests that were misclassified by the round-5
tightening.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(find-browse): guard main() with import.meta.main
Round 7 of windows-free-tests fixes (and a genuine bug fix beyond Windows).
browse/src/find-browse.ts called main() unconditionally at module load.
main() calls process.exit(1) when no compiled `browse` binary exists at the
known install paths. Any test that imports `locateBinary` from this module
then exits the entire test process before any tests run.
This affected the windows-free-tests CI lane because the runner intentionally
doesn't compile the browse binary (only server-node.mjs is built — full
binary compilation is slow and not needed for the curated subset). It would
also affect any Mac/Linux contributor who runs tests in a fresh checkout
before running ./setup, though the symptom is rarer there.
Fix: wrap `main()` in `if (import.meta.main) { main() }`. The CLI invocation
(via the find-browse binary or `bun run browse/src/find-browse.ts`) still
runs main() and emits the path. Imports get only the named exports.
Verified locally:
- `bun run browse/src/find-browse.ts` still prints the binary path.
- `import { locateBinary } from '...'` no longer exits the process.
- `bun test browse/test/find-browse.test.ts` passes 4/4 (was crashing
at module load).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): pin LF on extensionless executables (setup, bin/*, scripts/*)
Round 8 of windows-free-tests fixes. Round 7 cleared find-browse + most
shards; one fail left in shard 7:
test/setup-codesign.test.ts > codesign shell snippet is syntactically valid
expect(received).toBeTruthy() — match was null
The test extracts a bash codesign block from the `setup` file via a
\\n-anchored regex, then syntax-checks it with `bash -n`. On Windows the
regex returned null because the `setup` file was checked out with CRLF
endings — my round-2 .gitattributes only covered files matched by extension
patterns (*.md, *.sh, *.ts) and `setup` is extensionless.
Fix: extend .gitattributes with explicit rules for extensionless executables:
setup text eol=lf
bin/* text eol=lf
**/scripts/* text eol=lf
This also LF-pins all the bash bin/ scripts (gstack-paths, gstack-slug,
gstack-codex-probe, ...) which would otherwise break with "bad interpreter"
errors on Linux if a Windows contributor accidentally committed CRLF
versions. Defense in depth.
Verified locally: `git check-attr eol setup bin/gstack-paths` reports
`eol: lf` for both. Renormalized via `git add --renormalize` so any
already-LF files in the repo stay LF after the .gitattributes change.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): gen:skill-docs in workflow + known-bad list for env-specific tests
Round 9 of windows-free-tests fixes. Round 8 cleared shard 7; shard 8
surfaced 4 fails:
1+2. test/gen-skill-docs.test.ts golden-file regression for Codex + Factory
ship skills failed with ENOENT on `.agents/skills/gstack-ship/SKILL.md`
and `.factory/skills/gstack-ship/SKILL.md`. These are gitignored
gen-skill-docs outputs that the Mac/Linux CI workflows already
regenerate elsewhere — the windows-free-tests lane never did.
Fix: add `bun run gen:skill-docs --host all` step to
windows-free-tests.yml after `bun install`.
3. test/host-config.test.ts:377 "detect finds claude" asserts the `claude`
binary is on PATH. True when running inside Claude Code; false on a
bare CI runner.
4. browse/test/findport.test.ts:117 asserts Bun.serve.stop() is
fire-and-forget (returns undefined). Bun's Windows behavior for this
polyfill differs; the assertion is Bun-on-non-Windows-specific.
Both 3 and 4 are environment/runtime-specific failures that don't fit a
regex pattern. Added a KNOWN_WINDOWS_INCOMPATIBLE explicit list to
scripts/test-free-shards.ts so they're curated by exact path, with a
reason string. The list is for cases where pattern matching can't infer
the failure shape from the source file alone.
Curated subset: 66 → 64 tests (~50% of free suite). 14 unit tests in
test/test-free-shards.test.ts still pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): curate pre-existing breakage from v1.14.0.0 sidebar refactor
Round 10 of windows-free-tests fixes. Round 9 cleared shards 7+8; shard 9
surfaced ENOENT for browse/src/sidebar-agent.ts. That file was DELETED in
v1.14.0.0 (sidebar REPL refactor — sidebar-agent.ts and the chat queue
path were ripped in favor of the interactive xterm.js PTY). 10 security
tests still reference it via top-level fs.readFileSync and fail on import.
Verified locally: `bun test browse/test/security-source-contracts.test.ts`
on this branch reports 0 pass, 1 fail, 1 error. Mac/Linux CI exits 0
because Bun reports module-load failures as "error" not "fail" and the
exit code is 0; Windows CI exits 1 (stricter). Same pre-existing
breakage on every platform — just only visible in shard 9 of the
Windows lane.
Fix: add WINDOWS_FRAGILE_PATTERNS entry matching `sidebar-agent.ts` /
`src/sidebar-agent` references. Curates browse/test/sidebar-ux.test.ts
(other 9 likely caught by paid-eval filter or earlier patterns).
Tracked as a follow-up TODO: update or delete the 10 security tests that
reference deleted source. Out of scope for v1.20.0.0 portability wave.
Curated subset: 64 → 63 tests (~49% of free suite).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(windows-ci): broaden sidebar-agent.ts pattern to catch all references
* fix(windows-ci): catch ./bin/<name> direct path spawns
* fix(windows-ci): scope Windows job to v1.20.0.0 new portability work
12 rounds of curation revealed that gstack has a long tail of tests with
environment-specific assumptions (POSIX paths, /tmp, mode bits, bash
spawns, deleted v1.14 sidebar refs, HOME=unset guards, Bun polyfill
specifics). Each round of pattern-matching curation caught 1-2 new
buckets but kept surfacing more.
Honest scope for v1.20.0.0: this PR delivers two new portability
primitives (bin/gstack-paths + browse/src/claude-bin.ts). The Windows
CI job should verify those primitives work on Windows. Full-suite
Windows parity is a P4 follow-up that requires touching many tests
that aren't part of this PR's scope.
Change: windows-free-tests.yml now runs:
bun test test/gstack-paths.test.ts \\
browse/test/claude-bin.test.ts \\
test/test-free-shards.test.ts
That's 31 tests targeting exactly the new code paths shipped here.
The release-note headline ("curated Windows lane added") becomes
truthful when this passes — we have a real Windows CI gate on the
new portability work, not a rebadged failure-tolerant attempt at the
full suite.
Retained: scripts/test-free-shards.ts curation logic (informational
output via `--list`, useful for future expansion of the Windows lane
when contributors port specific tests).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(test): invoke bin/gstack-paths via bash (Windows shebang fix)
Round 13 of windows-free-tests fixes. Round 12 (scope pivot) revealed all
8 gstack-paths tests fail on Windows because the test invokes the bash
shebang script directly:
spawnSync(BIN, []) # BIN = path.join(ROOT, 'bin', 'gstack-paths')
Windows CreateProcess can't parse `#!/usr/bin/env bash` from the file.
The script never runs on Windows via this invocation path.
Fix: change to `spawnSync('bash', [BIN], ...)`. This matches production
usage — the script is sourced from inside skill bash blocks via
`eval "$(~/.claude/skills/gstack/bin/gstack-paths)"`, where bash is
always the executor. Mac/Linux behavior is identical (bash invocation
of a bash script).
Verified locally: 8/8 tests still pass on macOS.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* chore(release): rebump v1.20.0.0 → v1.22.0.0 (queue drift)
Version-gate workflow rejected v1.20.0.0 because the queue moved during
the windows-free-tests fix loop:
v1.16.0.0 → garrytan/gbrowser-unleashed (PR #1253) [new since last bump]
v1.17.0.0 → garrytan/setup-gbrain-run (PR #1234)
v1.19.0.0 → garrytan/browserharness (PR #1233)
v1.21.1.0 → garrytan/pty-plan-mode-e2e (PR #1255) [new since last bump]
Two new sibling PRs landed slot claims while we iterated on Windows.
Next free MINOR slot is v1.22.0.0.
Updated VERSION, package.json, CHANGELOG header + body. Also pushing the
round-13 windows-fix in parallel (test invokes bin/gstack-paths via bash
to handle Windows shebang).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(test): clear USERPROFILE alongside HOME (Git Bash auto-populates HOME)
Final Windows fix. 29/31 pass; 2 fail in gstack-paths HOME-unset tests:
(fail) CWD fallback when HOME also unset (container env)
(fail) PLAN_ROOT chain: GSTACK_PLAN_DIR > CLAUDE_PLANS_DIR > HOME > CWD
Root cause: Git Bash on Windows auto-populates `HOME` from `USERPROFILE`
at shell startup if HOME is empty/unset. Passing `HOME: ''` to spawnSync
does set HOME='' for the child, but Git Bash overwrites it from
USERPROFILE during init, so the script sees `${HOME:-}` as non-empty
(C:\\Users\\runneradmin) and never reaches the CWD-fallback branch.
Fix: clear USERPROFILE='' too. On Linux/Mac it's a no-op (env var doesn't
exist in normal env); on Windows Git Bash it stops the HOME auto-populate.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* fix(test): skip HOME-unset assertions on Windows (Git Bash auto-populates)
29/31 → 31/31 expected on Windows. Final fix:
The 2 still-failing gstack-paths tests assert CWD-fallback behavior when
HOME is genuinely unset (Linux container scenario). On Windows Git Bash,
HOME gets auto-derived from USERPROFILE → HOMEDRIVE+HOMEPATH → /c/Users/<user>
during shell startup. Clearing all three of those env vars in the spawn
still results in HOME being non-empty by the time the script runs.
The bash script's CWD-fallback logic IS correct — it just isn't exercisable
through the Git Bash test surface. Skip those specific assertions on
Windows; they continue to verify on Linux/Mac.
This is the only platform-specific test guard introduced; it's narrowly
scoped to the unreachable code path, not a bypass of the real check.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
|
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Garry Tan
|
d75402bbd2
|
v1.6.4.0: cut Haiku classifier FP from 44% to 23%, gate now enforced (#1135)
* feat(security): v2 ensemble tuning — label-first voting + SOLO_CONTENT_BLOCK Cuts Haiku classifier false-positive rate from 44.1% → 22.9% on BrowseSafe-Bench smoke. Detection trades from 67.3% → 56.2%; the lost TPs are all cases Haiku correctly labeled verdict=warn (phishing targeting users, not agent hijack) — they still surface in the WARN banner meta but no longer kill the session. Key changes: - combineVerdict: label-first voting for transcript_classifier. Only meta.verdict==='block' block-votes; verdict==='warn' is a soft signal. Missing meta.verdict never block-votes (backward-compat). - Hallucination guard: verdict='block' at confidence < LOG_ONLY (0.40) drops to warn-vote — prevents malformed low-conf blocks from going authoritative. - New THRESHOLDS.SOLO_CONTENT_BLOCK = 0.92 decoupled from BLOCK (0.85). Label-less content classifiers (testsavant, deberta) need a higher solo-BLOCK bar because they can't distinguish injection from phishing-targeting-user. Transcript keeps label-gated solo path (verdict=block AND conf >= BLOCK). - THRESHOLDS.WARN bumped 0.60 → 0.75 — borderline fires drop out of the 2-of-N ensemble pool. - Haiku model pinned (claude-haiku-4-5-20251001). `claude -p` spawns from os.tmpdir() so project CLAUDE.md doesn't poison the classifier context (measured 44k cache_creation tokens per call before the fix, and Haiku refusing to classify because it read "security system" from CLAUDE.md and went meta). - Haiku timeout 15s → 45s. Measured real latency is 17-33s end-to-end (Claude Code session startup + Haiku); v1's 15s caused 100% timeout when re-measured — v1's ensemble was effectively L4-only in prod. - Haiku prompt rewritten: explicit block/warn/safe criteria, 8 few-shot exemplars (instruction-override → block; social engineering → warn; discussion-of-injection → safe). Test updates: - 5 existing combineVerdict tests adapted for label-first semantics (transcript signals now need meta.verdict to block-vote). - 6 new tests: warn-soft-signal, three-way-block-with-warn-transcript, hallucination-guard-below-floor, above-floor-label-first, backward-compat-missing-meta. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test(security): live + fixture-replay bench harness with 500-case capture Adds two new benches that permanently guard the v2 tuning: - security-bench-ensemble-live.test.ts (opt-in via GSTACK_BENCH_ENSEMBLE=1). Runs full ensemble on BrowseSafe-Bench smoke with real Haiku calls. Worker-pool concurrency (default 8, tunable via GSTACK_BENCH_ENSEMBLE_CONCURRENCY) cuts wall clock from ~2hr to ~25min on 500 cases. Captures Haiku responses to fixture for replay. Subsampling via GSTACK_BENCH_ENSEMBLE_CASES for faster iteration. Stop-loss iterations write to ~/.gstack-dev/evals/stop-loss-iter-N-* WITHOUT overwriting canonical fixture. - security-bench-ensemble.test.ts (CI gate, deterministic replay). Replays captured fixture through combineVerdict, asserts detection >= 55% AND FP <= 25%. Fail-closed when fixture is missing AND security-layer files changed in branch diff. Uses `git diff --name-only base` (two-dot) to catch both committed and working-tree changes — `git diff base...HEAD` would silently skip in CI after fixture lands. - browse/test/fixtures/security-bench-haiku-responses.json — 500 cases × 3 classifier signals each. Header includes schema_version, pinned model, component hashes (prompt, exemplars, thresholds, combiner, dataset version). Any change invalidates the fixture and forces fresh live capture. - docs/evals/security-bench-ensemble-v2.json — durable PR artifact with measured TP/FN/FP/TN, 95% CIs, knob state, v1 baseline delta. Checked in so reviewers can see the numbers that justified the ship. Measured baseline on the new harness: TP=146 FN=114 FP=55 TN=185 → 56.2% / 22.9% → GATE PASS Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore(release): v1.5.1.0 — cut Haiku FP 44% → 23% - VERSION: 1.5.0.0 → 1.5.1.0 (TUNING bump) - CHANGELOG: [1.5.1.0] entry with measured numbers, knob list, and stop-loss rule spec - TODOS: mark "Cut Haiku FP 44% → ~15%" P0 as SHIPPED with pointer to CHANGELOG and v1 plan Measured: 56.2% detection (CI 50.1-62.1) / 22.9% FP (CI 18.1-28.6) on 500-case BrowseSafe-Bench smoke. Gate passes (floor 55%, ceiling 25%). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * docs(changelog): add v1.6.4.0 placeholder entry at top Per CLAUDE.md branch-scoped discipline, our VERSION 1.6.4.0 needs a CHANGELOG entry at the top so readers can tell what's on this branch vs main. Honest placeholder: no user-facing runtime changes yet, two merges bringing branch up to main's v1.6.3.0, and the approved injection-tuning plan is queued but unimplemented. Gets replaced by the real release-summary at /ship time after Phases -1 through 10 land. * docs(changelog): strip process minutiae from entries; rewrite v1.6.4.0 CLAUDE.md — new CHANGELOG rule: only document what shipped between main and this change. Keep out branch resyncs, merge commits, plan approvals, review outcomes, scope negotiations, "work queued" or "in-progress" framing. When no user-facing change actually landed, one sentence is the entry: "Version bump for branch-ahead discipline. No user-facing changes yet." CHANGELOG.md — v1.6.4.0 entry rewritten to match. Previous version narrated the branch history, the approved injection-tuning plan, and what we expect to ship later — all of which are process minutiae readers do not care about. * docs(changelog): rewrite v1.6.4.0; strip process minutiae Rewrote v1.6.4.0 entry to follow the new CLAUDE.md rule: only document what shipped between main and this change. Previous entry narrated the branch history, the approved injection-tuning plan, and what we expect to ship later, all process minutiae readers do not care about. v1.6.4.0 now reads: what the detection tuning did for users, the before/after numbers, the stop-loss rule, and the itemized changes for contributors. CLAUDE.md — new rule: only document what shipped between main and this change. Keep out branch resyncs, merge commits, plan approvals, review outcomes, scope negotiations, "work queued" / "in-progress" framing. If nothing user-facing landed, one sentence: "Version bump for branch-ahead discipline. No user-facing changes yet." --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Garry Tan
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97584f9a59
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feat(security): ML prompt injection defense for sidebar (v1.4.0.0) (#1089)
* chore(deps): add @huggingface/transformers for prompt injection classifier
Dependency needed for the ML prompt injection defense layer coming in the
follow-up commits. @huggingface/transformers will host the TestSavantAI
BERT-small classifier that scans tool outputs for indirect prompt injection.
Note: this dep only runs in non-compiled bun contexts (sidebar-agent.ts).
The compiled browse binary cannot load it because transformers.js v4 requires
onnxruntime-node (native module, fails to dlopen from bun compile's temp
extract dir). See docs/designs/ML_PROMPT_INJECTION_KILLER.md for the full
architectural decision.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): add security.ts foundation for prompt injection defense
Establishes the module structure for the L5 canary and L6 verdict aggregation
layers. Pure-string operations only — safe to import from the compiled browse
binary.
Includes:
* THRESHOLDS constants (BLOCK 0.85 / WARN 0.60 / LOG_ONLY 0.40), calibrated
against BrowseSafe-Bench smoke + developer content benign corpus.
* combineVerdict() implementing the ensemble rule: BLOCK only when the ML
content classifier AND the transcript classifier both score >= WARN.
Single-layer high confidence degrades to WARN to prevent any one
classifier's false-positives from killing sessions (Stack Overflow
instruction-writing-style FPs at 0.99 on TestSavantAI alone).
* generateCanary / injectCanary / checkCanaryInStructure — session-scoped
secret token, recursively scans tool arguments, URLs, file writes, and
nested objects per the plan's all-channel coverage decision.
* logAttempt with 10MB rotation (keeps 5 generations). Salted SHA-256 hash,
per-device salt at ~/.gstack/security/device-salt (0600).
* Cross-process session state at ~/.gstack/security/session-state.json
(atomic temp+rename). Required because server.ts (compiled) and
sidebar-agent.ts (non-compiled) are separate processes.
* getStatus() for shield icon rendering via /health.
ML classifier code will live in a separate module (security-classifier.ts)
loaded only by sidebar-agent.ts — compiled browse binary cannot load the
native ONNX runtime.
Plan: ~/.gstack/projects/garrytan-gstack/ceo-plans/2026-04-19-prompt-injection-guard.md
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): wire canary injection into sidebar spawnClaude
Every sidebar message now gets a fresh CANARY-XXXXXXXXXXXX token embedded
in the system prompt with an instruction for Claude to never output it on
any channel. The token flows through the queue entry so sidebar-agent.ts
can check every outbound operation for leaks.
If Claude echoes the canary into any outbound channel (text stream, tool
arguments, URLs, file write paths), the sidebar-agent terminates the
session and the user sees the approved canary leak banner.
This operation is pure string manipulation — safe in the compiled browse
binary. The actual output-stream check (which also has to be safe in
compiled contexts) lives in sidebar-agent.ts (next commit).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* test(security): make sidebar-agent destructure check regex-tolerant
The test asserted the exact string `const { prompt, args, stateFile, cwd, tabId } = queueEntry`
which breaks whenever security or other extensions add fields (canary, pageUrl,
etc.). Switch to a regex that requires the core fields in order but tolerates
additional fields in between. Preserves the test's intent (args come from the
queue entry, not rebuilt) while allowing the destructure to grow.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): canary leak check across all outbound channels
The sidebar-agent now scans every Claude stream event for the session's
canary token before relaying any data to the sidepanel. Channels covered
(per CEO review cross-model tension #2):
* Assistant text blocks
* Assistant text_delta streaming
* tool_use arguments (recursively, via checkCanaryInStructure — catches
URLs, commands, file paths nested at any depth)
* tool_use content_block_start
* tool_input_delta partial JSON
* Final result payload
If the canary leaks on any channel, onCanaryLeaked() fires once per session:
1. logAttempt() writes the event to ~/.gstack/security/attempts.jsonl
with the canary's salted hash (never the payload content).
2. sends a `security_event` to the sidepanel so it can render the approved
canary-leak banner (variant A mockup — ceo-plan 2026-04-19).
3. sends an `agent_error` for backward-compat with existing error surfaces.
4. SIGTERM's the claude subprocess (SIGKILL after 2s if still alive).
The leaked content itself is never relayed to the sidepanel — the event is
dropped at the boundary. Canary detection is pure-string substring match,
so this all runs safely in the sidebar-agent (non-compiled bun) context.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): add security-classifier.ts with TestSavantAI + Haiku
This module holds the ML classifier code that the compiled browse binary
cannot link (onnxruntime-node native dylib doesn't load from Bun compile's
temp extract dir — see CEO plan §"Pre-Impl Gate 1 Outcome"). It's imported
ONLY by sidebar-agent.ts, which runs as a non-compiled bun script.
Two layers:
L4 testsavant_content — TestSavantAI BERT-small ONNX classifier. First call
triggers a one-time 112MB model download to ~/.gstack/models/testsavant-small/
(files staged into the onnx/ layout transformers.js v4 expects). Classifies
page snapshots and tool outputs for indirect prompt injection + jailbreak
attempts. On benign-corpus dry-run: Wikipedia/HN/Reddit/tech-blog all score
SAFE 0.98+, attack text scores INJECTION 0.99+, Stack Overflow
instruction-writing now scores SAFE 0.98 on the shorter form (was 0.99
INJECTION on the longer form — instruction-density threshold). Ensemble
combiner downgrades single-layer high to WARN to cover this case.
L4b transcript_classifier — Claude Haiku reasoning-blind pre-tool-call scan.
Sees only {user_message, last 3 tool_calls}, never Claude's chain-of-thought
or tool results (those are how self-persuasion attacks leak). 2000ms hard
timeout. Fail-open on any subprocess failure so sidebar stays functional.
Gated by shouldRunTranscriptCheck() — only runs when another layer already
fired at >= LOG_ONLY, saving ~70% of Haiku spend.
Both layers degrade gracefully: load/spawn failures set status to 'degraded'
and return confidence=0. Shield icon reflects this via getClassifierStatus()
which security.ts's getStatus() composes.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): wire TestSavantAI + ensemble into sidebar-agent pre-spawn scan
The sidebar-agent now runs a ML security check on the user message BEFORE
spawning claude. If the content classifier and (gated) transcript classifier
ensemble returns BLOCK, the session is refused with a security_event +
agent_error — the sidepanel renders the approved banner.
Two pieces:
1. On agent startup, loadTestsavant() warms the classifier in the background.
First run triggers a 112MB model download from HuggingFace (~30s on
average broadband). Non-blocking — sidebar stays functional during
cold-start, shield just reports 'off' until warmed.
2. preSpawnSecurityCheck() runs the ensemble against the user message:
- L4 (testsavant_content) always runs
- L4b (transcript_classifier via Haiku) runs only if L4 flagged at
>= LOG_ONLY — plan §E1 gating optimization, saves ~70% of Haiku spend
combineVerdict() applies the BLOCK-requires-both-layers rule, which
downgrades any single-layer high confidence to WARN. Stack Overflow-style
instruction-heavy writing false-positives on TestSavantAI alone are
caught by this degrade — Haiku corrects them when called.
Fail-open everywhere: any subprocess/load/inference error returns confidence=0
so the sidebar keeps working on architectural controls alone. Shield icon
reflects degraded state via getClassifierStatus().
BLOCK path emits both:
- security_event {verdict, reason, layer, confidence, domain} (for the
approved canary-leak banner UX mockup — variant A)
- agent_error "Session blocked — prompt injection detected..."
(backward-compat with existing error surface)
Regression test suite still passes (12/12 sidebar-security tests).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* test(security): add security.ts unit tests (25 tests, 62 assertions)
Covers the pure-string operations that must behave deterministically in both
compiled and source-mode bun contexts:
* THRESHOLDS ordering invariant (BLOCK > WARN > LOG_ONLY > 0)
* combineVerdict ensemble rule — THE critical path:
- Empty signals → safe
- Canary leak always blocks (regardless of ML signals)
- Both ML layers >= WARN → BLOCK (ensemble_agreement)
- Single layer >= BLOCK → WARN (single_layer_high) — the Stack Overflow
FP mitigation that prevents one classifier killing sessions alone
- Max-across-duplicates when multiple signals reference the same layer
* Canary generation + injection + recursive checking:
- Unique CANARY-XXXXXXXXXXXX tokens (>= 48 bits entropy)
- Recursive structure scan for tool_use inputs, nested URLs, commands
- Null / primitive handling doesn't throw
* Payload hashing (salted sha256) — deterministic per-device, differs across
payloads, 64-char hex shape
* logAttempt writes to ~/.gstack/security/attempts.jsonl
* writeSessionState + readSessionState round-trip (cross-process)
* getStatus returns valid SecurityStatus shape
* extractDomain returns hostname only, empty string on bad input
All 25 tests pass in 18ms — no ML, no network, no subprocess spawning.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): expose security status on /health for shield icon
The /health endpoint now returns a `security` field with the classifier
status, suitable for driving the sidepanel shield icon:
{
status: 'protected' | 'degraded' | 'inactive',
layers: { testsavant, transcript, canary },
lastUpdated: ISO8601
}
Backend plumbing:
* server.ts imports getStatus from security.ts (pure-string, safe in
compiled binary) and includes it in the /health response.
* sidebar-agent.ts writes ~/.gstack/security/session-state.json when the
classifier warmup completes (success OR failure). This is the cross-
process handoff — server.ts reads the state file via getStatus() to
surface the result to the sidepanel.
The sidepanel rendering (SVG shield icon + color states + tooltip) is a
follow-up commit in the extension/ code.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* docs(security): document the sidebar security stack in CLAUDE.md
Adds a security section to the Browser interaction block. Covers:
* Layered defense table showing which modules live where (content-security.ts
in both contexts vs security-classifier.ts only in sidebar-agent) and why
the split exists (onnxruntime-node incompatibility with compiled Bun)
* Threshold constants (0.85 / 0.60 / 0.40) and the ensemble rule that
prevents single-classifier false-positives (the Stack Overflow FP story)
* Env knobs — GSTACK_SECURITY_OFF kill switch, cache paths, salt file,
attack log rotation, session state file
This is the "before you modify the security stack, read this" doc. It lives
next to the existing Sidebar architecture note that points at
SIDEBAR_MESSAGE_FLOW.md.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* docs(todos): mark ML classifier v1 in-progress + file v2 follow-ups
Reframes the P0 item to reflect v1 scope (branch 2 architecture, TestSavantAI
pivot, what shipped) and splits v2 work into discrete TODOs:
* Shield icon + canary leak banner UI (P0, blocks v1 user-facing completion)
* Attack telemetry via gstack-telemetry-log (P1)
* Full BrowseSafe-Bench at gate tier (P2)
* Cross-user aggregate attack dashboard (P2)
* DeBERTa-v3 as third signal in ensemble (P2)
* Read/Glob/Grep ingress coverage (P2, flagged by Codex review)
* Adversarial + integration + smoke-bench test suites (P1)
* Bun-native 5ms inference (P3 research)
Each TODO carries What / Why / Context / Effort / Priority / Depends-on so
it's actionable by someone picking it up cold.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(telemetry): add attack_attempt event type to gstack-telemetry-log
Extends the existing telemetry pipe with 5 new flags needed for prompt
injection attack reporting:
--url-domain hostname only (never path, never query)
--payload-hash salted sha256 hex (opaque — no payload content ever)
--confidence 0-1 (awk-validated + clamped; malformed → null)
--layer testsavant_content | transcript_classifier | aria_regex | canary
--verdict block | warn | log_only
Backward compatibility:
* Existing skill_run events still work — all new fields default to null
* Event schema is a superset of the old one; downstream edge function can
filter by event_type
No new auth, no new SDK, no new Supabase migration. The same tier gating
(community → upload, anonymous → local only, off → no-op) and the same
sync daemon carry the attack events. This is the "E6 RESOLVED" path from
the CEO plan — riding the existing pipe instead of spinning up parallel infra.
Verified end-to-end:
* attack_attempt event with all fields emits correctly to skill-usage.jsonl
* skill_run event with no security flags still works (backward compat)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(security): wire logAttempt to gstack-telemetry-log (fire-and-forget)
Every local attempt.jsonl write now also triggers a subprocess call to
gstack-telemetry-log with the attack_attempt event type. The binary handles
tier gating internally (community → Supabase upload, anonymous → local
JSONL only, off → no-op), so security.ts doesn't need to re-check.
Binary resolution follows the skill preamble pattern — never relies on PATH,
which breaks in compiled-binary contexts:
1. ~/.claude/skills/gstack/bin/gstack-telemetry-log (global install)
2. .claude/skills/gstack/bin/gstack-telemetry-log (symlinked dev)
3. bin/gstack-telemetry-log (in-repo dev)
Fire-and-forget:
* spawn with stdio: 'ignore', detached: true, unref()
* .on('error') swallows failures
* Missing binary is non-fatal — local attempts.jsonl still gives audit trail
Never throws. Never blocks. Existing 37 security tests pass unchanged.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(ui): add security banner markup + styles (approved variant A)
HTML + CSS for the canary leak / ML block banner. Structure matches the
approved mockup from /plan-design-review 2026-04-19 (variant A — centered
alert-heavy):
* Red alert-circle SVG icon (no stock shield, intentional — matches the
"serious but not scary" tone the review chose)
* "Session terminated" Satoshi Bold 18px red headline
* "— prompt injection detected from {domain}" DM Sans zinc subtitle
* Expandable "What happened" chevron button (aria-expanded/aria-controls)
* Layer list rendered in JetBrains Mono with amber tabular-nums scores
* Close X in top-right, 28px hit area, focus-visible amber outline
Enter animation: slide-down 8px + fade, 250ms, cubic-bezier(0.16,1,0.3,1) —
matches DESIGN.md motion spec. Respects `role="alert"` + `aria-live="assertive"`
so screen readers announce on appearance. Escape-to-dismiss hook is in the
JS follow-up commit.
Design tokens all via CSS variables (--error, --amber-400, --amber-500,
--zinc-*, --font-display, --font-mono, --radius-*) — already established in
the stylesheet. No new color constants introduced.
JS wiring lands in the next commit so this diff stays focused on
presentation layer only.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(ui): wire security banner to security_event + interactivity
Adds showSecurityBanner() and hideSecurityBanner() plus the addChatEntry
routing for entry.type === 'security_event'. When the sidebar-agent emits
a security_event (canary leak or ML BLOCK), the banner renders with:
* Title ("Session terminated")
* Subtitle with {domain} if present, otherwise generic
* Expandable layer list — each row: SECURITY_LAYER_LABELS[layer] +
confidence.toFixed(2) in mono. Readable + auditable — user can see
which layer fired at what score
Interactivity, wired once on DOMContentLoaded:
* Close X → hideSecurityBanner()
* Expand/collapse "What happened" → toggles details + aria-expanded +
chevron rotation (200ms css transition already in place)
* Escape key dismisses while banner is visible (a11y)
No shield icon yet — that's a separate commit that will consume the
`security` field now returned by /health.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* feat(ui): add security shield icon in sidepanel header (3 states)
Small "SEC" badge in the top-right of the sidepanel that reflects the
security module's current state. Three states drive color:
protected green — all layers ok (TestSavantAI + transcript + canary)
degraded amber — one+ ML layer offline but canary + arch controls active
inactive red — security module crashed, arch controls only
Consumes /health.security (surfaced in commit
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