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gstack/agents-digest/gstack-AGENTS.md
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Garry Tan a84b0b5b6d v1.90.0.0 feat: make browser cookie imports explicit and safe (#2964)
* fix(browse): prepare reliable cookie import wave for validation

* ci: sequence quality and behavior for validation branch

* fix(browse): isolate Windows qualification and preserve native diagnostics

* test(browse): cover cookie workflow quality and isolate Windows user paths

* test(browse): trace native member startup and initialize fresh folders

* fix(browse): keep Windows member stdin alive through EOF

* fix(browse): latch native timeouts and compare contained Edge startup

* test(browse): verify native version metadata and actual Windows argv

* test(browse): qualify Dia import on isolated macOS CI

* fix(browse): require picker origin for session mutations

* fix(browse): bound credential reads through stream completion

* test(browse): inspect owned Windows process arguments natively

* test(evals): preserve passing coverage during cookie repair reruns

* test(browse): isolate Dia qualification in a fresh macOS account

* test(browse): pass bounded integer timeouts to native Mac probes

* test(browse): distinguish Windows profile initialization from containment

* test(browse): await descendant pipe readiness before parent exit

* test(browse): initialize and restore isolated macOS Keychain state

* test(browse): initialize Windows fixture folders before qualification

* test(ci): pin the same Node runtime across Windows checks

* test(browse): distinguish native macOS browser preflight stages

* test(browse): isolate Windows descendant console lifetime

* test(browse): preserve native receipts and identify fixture lock holders

* test(browse): prepare dependency resolution before native Mac worker startup

* test(ci): include lock and close checks in native diagnostics

* test(browse): preserve native owner probe stages and subprocess deadlines

* fix(browse): classify Chromium profile-in-use exit precisely

* test(browse): retain Mac qualification evidence through cleanup failures

* test(browse): bound Mac fixture paths and retire its owned user domain

* test(browse): accept vanished fixture entries without weakening cleanup

* test(browse): identify probe-created macOS user domains safely

* test(browse): observe Mac user domains without targeting them first

* test(browse): use passive fresh-user ownership throughout Mac qualification

* test(browse): distinguish profile and registered-home Keychain lookups

* test(browse): qualify Dia under one registered account home

* test(browse): identify Dia startup and owned process-group failures

* test(browse): classify bounded Dia startup diagnostics without leaking output

* fix(test): preserve native Mac sandboxing and reap owned browser children

* fix(browse): preserve Chromium sandboxing for native profile imports

* test(browse): inspect signed Mach-O architecture without launching Xcode tools

* test(browse): sample pending Dia startup and reap on all cleanup paths

* test(browse): compare protected Dia launches in fresh Bun and Node accounts

* test(browse): inspect isolated Mac GUI readiness without browser access

* v1.90.0.0 fix: bind cookie picker actions to their document

* test: validate cookie guards and fit nested launch fixtures

* ci: configure the bundled Chromium sandbox helper

* fix(browse): classify Playwright authentication timeouts

* test: retain bounded Windows lifecycle diagnostics

* test(cso): reuse bounded NTFS precision candidates

* test(review): handle explicit preservation choices safely

* test(browse): remove owned fixture directories with explicit primitives

* test(review): distinguish descriptive reuse from edit commitments

* test: admit only the approved unscored cookie workflow refusal

* test: keep the Office Hours judge mock export-complete

* fix: keep dependency-free CI planners independent of the model SDK

* test: observe the exact holder after a native fixture unlink failure

* fix: start seeded PTY observations at owned readiness

* test: acquire identity-bound Windows deletion admission before profile resets

* test: preserve qualified Git index bits without authorizing mutations
2026-09-25 12:06:45 -04:00

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Markdown

# gstack digest v1.90.0.0 — regenerate/re-copy after upgrading gstack
Behavioral rules from gstack (https://github.com/garrytan/gstack), compressed
for agent hosts without a full skill install. The full skills add workflows,
reviews, and evals on top of these rules.
## Ethos
- **Boil the Ocean** — AI makes completeness cheap, so do the complete thing: tests, edge cases, error paths. Shortcuts need an explicit, recorded decision.
- **Search Before Building** — know what exists before deciding what to build. Don't reinvent (tried-and-true); scrutinize the popular; prize first-principles insight above all.
- **User Sovereignty** — models recommend, the user decides. Cross-model agreement is signal, never permission. Ask before changing the user's stated direction.
- **Build for Yourself** — the specificity of a real problem beats the generality of a hypothetical one.
## The reuse ladder
Before writing new code, stop at the first rung that holds:
1. A helper, util, or pattern already in this repo.
2. The standard library.
3. A native platform feature (CSS over JS, DB constraint over app code).
4. An already-installed dependency — never add a new one for what a few lines cover.
Then build the complete version of what remains. Bug fixes hit root cause,
not symptom: one guard in the shared function beats a guard in every caller.
## Voice
Direct, concrete, builder-to-builder. Name the file, function, command, and
user-visible impact. Short paragraphs; end with what to do. No filler, no
corporate tone, no AI vocabulary.
## Full gstack
Clone https://github.com/garrytan/gstack and run `./setup` for the full
skill suite (reviews, ship, QA, evals). This digest is generated — edit
scripts/gen-agents-digest.ts, not this file.