Brummel
61ed6d47c8
Anthropic now reserves /plan as a UI command, so the Skill tool refuses to dispatch it. Rename the project's plan skill to planner, update the symlink under .claude/skills/, and adjust references in CLAUDE.md, DESIGN.md, skills/README.md, and the cross-references between brainstorm / implement / audit / fieldtest / fieldtester. Plan files themselves (docs/plans/*.md) keep their name — only the skill ID changes.
211 lines
8.3 KiB
Markdown
211 lines
8.3 KiB
Markdown
---
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name: implement
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description: Use when an implementation plan exists in docs/plans/ and is ready to execute. Dispatches one fresh subagent per task with two-stage review (spec compliance, then code quality). Continuous execution; stops only on BLOCKED status or completion. Also runs in mini-mode for bug fixes handed off by debug.
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---
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# implement — plan execution with two-stage review
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> **Violating the letter of these rules is violating the spirit.**
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## Overview
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Plan execution is delegated work. The orchestrator (me) reads the
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plan once, dispatches a fresh subagent per task, and reviews each
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task's output through two independent checks (spec compliance, then
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code quality) before moving on. Subagents have isolated context; the
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orchestrator only sees their reports. This is what gives AILang's
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development cycle its context budget back.
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## When to Use / Skipping
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Triggers:
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- A plan exists at `docs/plans/<iteration>.md` and is ready to run.
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- A `debug` skill has produced a RED test + cause and is handing off
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for the GREEN side (mini-mode, no plan file).
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**Never skipped** when there is code to ship. Trivial mechanical
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edits (one-line typo fix, schema rename across N files) MAY be
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handled inline by the orchestrator without dispatching subagents,
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per CLAUDE.md "trivial mechanical edits" carve-out — but the
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review-and-commit discipline still applies.
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## The Iron Law
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```
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FRESH SUBAGENT PER TASK
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TWO-STAGE REVIEW: SPEC COMPLIANCE FIRST, CODE QUALITY SECOND
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NEVER START QUALITY REVIEW BEFORE SPEC COMPLIANCE IS GREEN
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NEVER PUSH PAST `BLOCKED` BY HAND
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```
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## The Process — standard mode (plan-driven)
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### Step 1 — Load plan once, extract everything
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Read `docs/plans/<iteration>.md` ONCE. Extract every task with full
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text. Create TodoWrite entries for each task. Note any cross-task
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context (shared types, file structure decisions).
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The plan is NOT re-read by subagents. The orchestrator hands each
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subagent the full task text plus surrounding scene-set context.
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### Step 2 — Per-task loop
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For each task in TodoWrite order:
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#### 2.1 — Dispatch implementer
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Dispatch `ailang-implementer` with:
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- the full task text from the plan
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- scene-set: parent milestone, where this task fits, dependencies
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on earlier tasks
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- output expectations: build green, tests green, structured report
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#### 2.2 — Handle implementer status
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The implementer reports one of:
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| Status | Action |
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|--------|--------|
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| `DONE` | Proceed to spec compliance review (Step 2.3). |
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| `DONE_WITH_CONCERNS` | Read concerns first. If correctness/scope, address before review. If observation, note + proceed. |
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| `NEEDS_CONTEXT` | Provide missing context, redispatch. Max 2 retries with the same model before escalating. |
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| `BLOCKED` | Diagnose: context problem? → more context. Reasoning? → stronger model. Task too large? → split + re-plan. Plan wrong? → escalate to user. **Never** push past BLOCKED by hand. |
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#### 2.3 — Spec compliance review
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Dispatch `ailang-spec-reviewer` with:
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- `task_text`: the verbatim text from the plan (same text the
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implementer received)
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- `diff`: the implementer's diff (or `pre_task_sha` + `head_sha`)
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- `status_from_implementer`: `DONE` or `DONE_WITH_CONCERNS` (with
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the concerns quoted)
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The reviewer reports `compliant` / `non_compliant` / `unclear` /
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`infra_blocked`.
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If `non_compliant`: implementer (same subagent role) fixes the missing
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requirements / removes the unrequested extras; re-dispatch the spec
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reviewer; loop until `compliant`.
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If `unclear`: the task text is ambiguous. Resolve at the orchestrator
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level — either by re-stating the task to the implementer with the
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ambiguity removed, or by bouncing back to `planner` if the spec itself
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is the source of the ambiguity.
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#### 2.4 — Code quality review
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ONLY after spec compliance is `compliant`, dispatch
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`ailang-quality-reviewer` with:
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- `diff` (or SHAs)
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- `spec_review_status`: must be `compliant` (otherwise quality review
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refuses to run)
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- `task_subject`: short title for context (NOT the full task text —
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quality review doesn't care about spec compliance)
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The reviewer reports `approved` / `changes_requested` / `infra_blocked`.
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If `changes_requested`: implementer fixes the `Important` and `Minor`
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issues; `Nit` items are advisory. Re-dispatch the quality reviewer;
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loop until `approved`.
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#### 2.5 — Mark task complete
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TodoWrite update. Move to next task.
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### Step 3 — E2E coverage
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After all tasks: dispatch `ailang-tester` to add or extend E2E tests
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that protect the milestone's invariants. The tester reads the spec
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and the recent commits to identify what to cover.
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### Step 4 — JOURNAL entry
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Append the iteration entry: `## YYYY-MM-DD — Iteration <X>: <title>`,
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including:
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- one-paragraph summary
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- per-task subjects (mirrors commit messages)
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- known debt (anything deliberately not touched)
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Commit pattern matches existing JOURNAL style:
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`iter <X>.<n>: <subject>` for task commits.
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## The Process — mini-mode (debug handoff)
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When invoked from `skills/debug` with a RED-test path + cause
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summary:
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1. Skip plan loading (no plan file).
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2. Dispatch `ailang-implementer` with:
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- "make this RED test pass: `<path>`"
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- cause summary from `debug`
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- hard constraint: *minimal fix, no surrounding cleanup*
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3. Spec compliance review: "does this fix the RED test without
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touching anything outside the bug's scope?"
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4. Code quality review: standard.
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5. Commit pattern: `fix: <symptom>` (single commit, GREEN side).
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6. JOURNAL entry: `## YYYY-MM-DD — Bug fix: <symptom>`.
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## Handoff Contract
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`implement` consumes:
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| Source | Carrier |
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|--------|---------|
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| from `planner` | path to `docs/plans/<iteration>.md` + optional task focus |
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| from `debug` | RED-test path + cause summary + minimal-fix constraint |
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`implement` produces: per-task commits + JOURNAL entry. No further
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hand-off — `audit` runs independently at milestone close.
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## Model Selection
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Use the cheapest model that handles each role.
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| Task complexity | Model |
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|-----------------|-------|
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| 1-2 files, complete spec, mechanical | cheap/fast |
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| Multi-file integration, judgement | standard |
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| Architecture, design, review | most capable |
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Reviewer subagents typically need at least the standard model.
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## Common Rationalisations
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| Excuse | Reality |
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|--------|---------|
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| "Implementer self-reviewed, skip spec compliance" | Self-review is intent, not outcome. Past iters showed self-review misses spec drift and quality issues that compound. |
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| "Task is trivial, skip quality review" | The marginal cost of one subagent dispatch is trivial vs. catching a quality issue three iters later. |
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| "Working on `main` directly is fine for this iter" | Branch first, reset main to pre-iter, cherry-pick onto feature branch. Defeats rollback discipline if not. |
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| "DONE_WITH_CONCERNS, move on" | Read the concerns first. If correctness/scope, address before review. If observation, note in JOURNAL and proceed. |
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| "Reviewer is the same model as implementer, dispatching twice is redundant" | Fresh context per dispatch is the point, not the model identity. The reviewer doesn't see the implementer's reasoning, only its diff. |
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| "BLOCKED with 'task too large' — let me push through" | Split + re-plan. Pushing through wastes context and produces low-quality output. |
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## Red Flags — STOP
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- Quality review running before spec compliance is ✅
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- Two reviewers dispatched in parallel (must be sequential)
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- Subagent re-reading the plan file (controller curates context)
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- Direct edit to `main` without feature branch
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- Skipping JOURNAL entry "because the commits are self-explanatory"
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- "I'll do the E2E coverage in the next iter"
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## Cross-references
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- **Agents dispatched:**
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- `skills/implement/agents/ailang-implementer.md` — task execution
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(carries TDD discipline as an independent layer; falls back to
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RED-first even when the plan template forgot)
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- `skills/implement/agents/ailang-spec-reviewer.md` — Step 2.3, did
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the diff match the task text?
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- `skills/implement/agents/ailang-quality-reviewer.md` — Step 2.4,
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is the diff well-built?
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- `skills/implement/agents/ailang-tester.md` — Step 3, E2E coverage
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- **Input sources:**
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- `skills/planner/SKILL.md` — produces the plan files this skill
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consumes
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- `skills/debug/SKILL.md` — produces the RED-test handoff for
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mini-mode
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- **Output target:** orchestrator (me) reads JOURNAL entry and
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commits; `audit` runs at milestone close.
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