# Work Log: main

## Header

- Branch: `main`
- Classification: `quick-win`
- Classified by: `claude-sonnet-4-6`
- Frozen: `true`
- Created Date: `2026-05-04`
- Owner: `KbWen`
- Guardrails Mode: `Quick`
- Current Phase: `ship`
- Checkpoint SHA: `9e9803be5d6ab0d4fc911e4dc5a33618a15b5834`
- Recommended Skills: `verification-before-completion`
- Primary Domain Snapshot: `none`
- SSoT Sequence: `6`

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## Session Info

- Agent: `claude-sonnet-4-6`
- Session: `2026-05-04 UTC`
- Platform: `claude-code`

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## Task Description

Create thin "shim" custom subagent files in `.claude/agents/acx-*.md` for each workflow phase (implement, review, test, handoff, ship). Each shim uses Claude Code native `skills:` frontmatter to inject skills into subagents — solving the downstream discovery that subagents spawned during workflows do not inherit recommended skills from the parent session. Add a validate check to ensure shim skill names exist in `.agent/skills/`, and add a review-workflow check that enforces use of the corresponding shim.

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## Phase Sequence

| Phase | Status | Entered | Notes |
|---|---|---|---|
| bootstrap | skipped | — | quick-win fast-path |
| plan | in-progress | 2026-05-04 | — |
| implement | pending | — | — |
| review | pending | — | — |
| test | pending | — | — |
| handoff | skipped | — | quick-win exempt |
| ship | pending | — | — |

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## Phase Summary

- plan: Create 5 acx-* shim files + validate check + review enforcement; 8 target files; Mode Normal | Confidence: 92% — high
- implement: 5 shims created in .claude/agents/, validate.sh+ps1 shim skill check added, review.md shim-usage enforcement added; validate 63 PASS 0 FAIL; scenario simulation confirmed skill injection active at subagent startup
- ship: pass | commit 94ab322 | archived to .agentcortex/context/archive/main-20260504.md

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## Gate Evidence

- Gate: plan | Verdict: pass | Classification: quick-win | At: 2026-05-04T00:00:00Z
- Gate: ship | Verdict: pass | Classification: quick-win | At: 2026-05-04T00:01:00Z

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## External References

| Type | Path / URL | Notes |
|---|---|---|
| Docs | Claude Code subagents official docs | Confirmed `skills:` is native frontmatter field; full skill content injected at subagent startup; not inherited from parent |

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## Known Risk

- Skill names in shim frontmatter can drift from `.agent/skills/` directory names. Mitigated by validate.sh check in step 5.
- Claude Code built-in skills (e.g. `simplify`) are not in `.agent/skills/` — validate check must skip names that don't have a directory there.

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## Conflict Resolution

none

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## Skill Notes

none

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## Drift Log

- Recovered: Work Log created at plan phase (no prior bootstrap). quick-win fast-path — bootstrap skipped per AGENTS.md §vNext State Model tiny-fix/quick-win exception.

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## Evidence

none
