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feat: Confusion Protocol, Hermes + GBrain hosts, brain-first resolver (v0.18.0.0)#1005

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garrytan merged 21 commits intomainfrom
garrytan/gstacklite-split
Apr 16, 2026
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feat: Confusion Protocol, Hermes + GBrain hosts, brain-first resolver (v0.18.0.0)#1005
garrytan merged 21 commits intomainfrom
garrytan/gstacklite-split

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Summary

Agent runtime support + Karpathy-inspired guardrails + skill improvements.

Confusion Protocol — inline ambiguity gate in the preamble. When Claude hits a
decision that could go two ways (which architecture? which data model? destructive
operation with unclear scope?), it stops and asks instead of guessing. Scoped to
high-stakes decisions only. Addresses Karpathy failure mode #1 (wrong assumptions).

Hermes + GBrain host configs — two new hosts. Hermes gets tool rewrites for
terminal/read_file/patch/delegate_task. GBrain is a "mod" for gstack:
coding skills become brain-aware when installed, searching the brain for context
before starting and saving results after finishing.

GBrain resolverGBRAIN_CONTEXT_LOAD and GBRAIN_SAVE_RESULTS injected into
4 thinking skill templates (office-hours, investigate, ceo-review, retro). Suppressed
on all 9 non-gbrain hosts. For gbrain host, skills get brain-first lookup and
save-to-brain behavior.

slop:diff in /review — every code review now runs bun run slop:diff as advisory
diagnostic, catching AI code quality issues before they land.

Karpathy compatibility — README positions gstack as the workflow enforcement layer
for Karpathy-style CLAUDE.md rules (17K stars).

Skill improvements — CEO review HARD GATE at 12 STOP points, office-hours design
doc path visibility, investigate investigation learnings, retro non-git context.
Native OpenClaw skills mirrored.

Infrastructure — host count 8→10, GBRAIN suppression on all hosts, dead code
cleanup (openclaw adapter removal), golden fixture updates.

Test Coverage

737 tests pass, 0 failures. Changes are markdown templates + TypeScript configs.
No new application codepaths — coverage audit: N/A (template/config changes).

Pre-Landing Review

No issues found. All changes are TypeScript host configs, markdown templates,
resolver functions, and documentation.

Adversarial Review

Claude subagent: 6 findings (setup auto-detect, gbrain fallback, vendoring paths,
retro-context size, slop error handling, adapter removal). All informational or
pre-existing patterns.

Codex: 3 P1s (setup auto-detect mismatch, gbrain query shell injection concern,
auto-save sensitivity), 3 P2s (spawned session deadlock, slop committed-only,
npx timeout). P1s assessed as: intentional design (setup), instructional prose
not shell execution (query), and early-stage acceptable risk (sensitivity).

GATE: PASS

TODOS

No TODO items completed or created in this PR.

Test plan

  • bun test — 737 pass, 0 fail
  • bun run gen:skill-docs --host gbrain — generates brain-aware variants
  • bun run gen:skill-docs --host hermes — generates Hermes variants
  • Golden fixture diffs updated (claude, codex, factory ship SKILL.md)
  • Host count test updated (8→10)

🤖 Generated with Claude Code

garrytan and others added 11 commits April 14, 2026 10:52
Injects a high-stakes ambiguity gate at preamble tier >= 2 so all
workflow skills get it. Fires when Claude encounters architectural
decisions, data model changes, destructive operations, or contradictory
requirements. Does NOT fire on routine coding.

Addresses Karpathy failure mode #1 (wrong assumptions) with an
inline STOP gate instead of relying on workflow skill invocation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Hermes: tool rewrites for terminal/read_file/patch/delegate_task,
paths to ~/.hermes/skills/gstack, AGENTS.md config file.

GBrain: coding skills become brain-aware when GBrain mod is installed.
Same tool rewrites as OpenClaw (agents spawn Claude Code via ACP).
GBRAIN_CONTEXT_LOAD and GBRAIN_SAVE_RESULTS NOT suppressed on gbrain
host, enabling brain-first lookup and save-to-brain behavior.

Both registered in hosts/index.ts with setup script redirect messages.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
New scripts/resolvers/gbrain.ts with two resolver functions:
- GBRAIN_CONTEXT_LOAD: search brain for context before skill starts
- GBRAIN_SAVE_RESULTS: save skill output to brain after completion

Placeholders added to 4 thinking skill templates (office-hours,
investigate, plan-ceo-review, retro). Resolves to empty string on
all hosts except gbrain via suppressedResolvers.

GBRAIN suppression added to all 9 non-gbrain host configs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Adds Step 3.5 to the review template: runs bun run slop:diff against
the base branch to catch AI code quality issues (empty catches,
redundant return await, overcomplicated abstractions). Advisory only,
never blocking. Skips silently if slop-scan is not installed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Positions gstack as the workflow enforcement layer for Karpathy-style
CLAUDE.md rules (17K stars). Links to forrestchang/andrej-karpathy-skills.
Maps each Karpathy failure mode to the gstack skill that addresses it.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
office-hours: add design doc path visibility message after writing
ceo-review: add HARD GATE reminder at review section transitions
retro: add non-git context support (check memory for meeting notes)

Mirrors template improvements to hand-crafted native skills.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Host count: 8 → 10 (hermes, gbrain)
- OpenClaw adapter test: expects undefined (dead code removed)
- Golden ship fixtures: updated with Confusion Protocol + vendoring

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Regenerated from templates after Confusion Protocol, GBrain resolver
placeholders, slop:diff in review, HARD GATE reminders, investigation
learnings, design doc visibility, and retro non-git context changes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- CHANGELOG: add v0.18.0.0 entry (Confusion Protocol, Hermes, GBrain,
  slop in review, Karpathy note, skill improvements)
- CLAUDE.md: add hermes.ts and gbrain.ts to hosts listing
- README.md: update agent count 8→10, add Hermes + GBrain to table
- VERSION: bump to 0.18.0.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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github-actions Bot commented Apr 15, 2026

E2E Evals: ✅ PASS

64/64 tests passed | $7.99 total cost | 12 parallel runners

Suite Result Status Cost
e2e-browse 7/7 $0.3
e2e-deploy 6/6 $1.3
e2e-design 3/3 $0.49
e2e-plan 7/7 $1.28
e2e-qa-workflow 3/3 $1.1
e2e-review 6/6 $1.34
e2e-workflow 4/4 $0.58
llm-judge 25/25 $0.5
e2e-qa-workflow 3/3 $1.1

12x ubicloud-standard-2 (Docker: pre-baked toolchain + deps) | wall clock ≈ slowest suite

garrytan and others added 10 commits April 14, 2026 19:11
The review-base-branch E2E test was copying the full 1493-line
review/SKILL.md into the test fixture. The agent spent 8+ turns
reading it in chunks, leaving only 7 turns for actual work, causing
error_max_turns on every attempt.

Now extracts only Step 0 (base branch detection, ~50 lines) which is
all the test actually needs. Follows the CLAUDE.md rule: "NEVER copy
a full SKILL.md file into an E2E test fixture."

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
GBrain: add 'triggers' to keepFields so generated skills pass
checkResolvable() validation. Add version compat comment.

Hermes: un-suppress GBRAIN_CONTEXT_LOAD and GBRAIN_SAVE_RESULTS.
The resolvers handle GBrain-not-installed gracefully, so Hermes
agents with GBrain as a mod get brain features automatically.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Resolver changes:
- gbrain query → gbrain search (fast keyword search, not expensive hybrid)
- Add keyword extraction guidance for agents
- Show explicit gbrain put_page syntax with --title, --tags, heredoc
- Add entity enrichment with false-positive filter
- Name throttle error patterns (exit code 1, stderr keywords)
- Add data-research routing for investigate skill
- Expand skillSaveMap from 4 to 8 entries
- Add brain operation telemetry summary

Preamble changes:
- Add gbrain doctor --fast --json health check for gbrain/hermes hosts
- Parse check failures/warnings count
- Show failing check details when score < 50

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The allowlist mode hard-coded name + description reconstruction but
never iterated keepFields for additional fields. Adding 'triggers'
to keepFields was a no-op because the field was silently stripped.

Now iterates keepFields and preserves any field beyond name/description
from the source template frontmatter, including YAML arrays.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Multi-word, skill-specific trigger keywords for GBrain's RESOLVER.md
router. Each skill gets 3-6 triggers derived from its "Use when asked
to..." description text. Avoids single generic words that would collide
across skills (e.g., "debug this" not "debug").

These are distinct from voice-triggers (speech-to-text aliases) and
serve GBrain's checkResolvable() validation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Regenerated from updated templates (triggers, brain placeholders,
resolver DX improvements, preamble health check). Golden fixtures
updated to match.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
gstack-settings-hook remove was exiting 0 when settings.json didn't
exist, causing gstack-uninstall to report "SessionStart hook" as
removed on clean systems where nothing was installed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
ARCHITECTURE.md: added GBRAIN_CONTEXT_LOAD and GBRAIN_SAVE_RESULTS
to resolver table.

CHANGELOG.md: expanded v0.18.0.0 entry with GBrain v0.10.0 integration
details (triggers, expanded brain-awareness, DX improvements, Hermes
brain support), updated date.

CLAUDE.md: added gbrain to resolvers/ directory comment.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
installSkills() was copying SKILL.md files to both project-level
(.claude/skills/ in tmpDir) and user-level (~/.claude/skills/).
Writing to the user's real install fails when symlinks point to
different worktrees or dangling targets (ENOENT on copyFileSync).

Now installs to project-level only. The test already sets cwd to
the tmpDir, so project-level discovery works.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Gemini CLI gets lost in worktrees on complex tasks (review times out
at 600s, discover-skill hits exit 124). Nobody uses Gemini for gstack
skill execution. Replace the two failing tests (gemini-discover-skill
and gemini-review-findings) with a single smoke test that verifies
Gemini can start and read the README. 90s timeout, no skill invocation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@garrytan garrytan merged commit b805aa0 into main Apr 16, 2026
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