Agent SkillsChachamaru127/claude-code-harness › harness-plan-brief

harness-plan-brief

GitHub

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skills/harness-plan-brief/SKILL.md Chachamaru127/claude-code-harness

Trigger Scenarios

plan brief planning preview 計画概要 計画レビュー

Install

npx skills add Chachamaru127/claude-code-harness --skill harness-plan-brief -g -y
More Options

Use without installing

npx skills use Chachamaru127/claude-code-harness@harness-plan-brief

指定 Agent (Claude Code)

npx skills add Chachamaru127/claude-code-harness --skill harness-plan-brief -a claude-code -g -y

安装 repo 全部 skill

npx skills add Chachamaru127/claude-code-harness --all -g -y

预览 repo 内 skill

npx skills add Chachamaru127/claude-code-harness --list

SKILL.md

Frontmatter
{
    "name": "harness-plan-brief",
    "description": "Generate a Plan Brief HTML for non-engineer vibecoders before implementation starts. Searches harness-mem (project-only) for relevant past decisions, patterns, and Plans archive entries, then renders a single-file HTML artifact summarizing understanding, options, risks, acceptance criteria, and confidence. Use when the user requests a planning preview, a non-engineer-friendly summary before approval, or says: plan brief, planning preview, 計画概要, 計画レビュー. Do NOT load for: actual implementation, code review, release work.",
    "allowed-tools": [
        "Read",
        "Write",
        "Edit",
        "Bash"
    ],
    "argument-hint": "[task-description]",
    "description-en": "Generate a Plan Brief HTML for non-engineer vibecoders before implementation starts. Searches harness-mem (project-only) for relevant past decisions, patterns, and Plans archive entries, then renders a single-file HTML artifact summarizing understanding, options, risks, acceptance criteria, and confidence. Use when the user requests a planning preview, a non-engineer-friendly summary before approval, or says: plan brief, planning preview, 計画概要, 計画レビュー. Do NOT load for: actual implementation, code review, release work.",
    "description-ja": "実装着手前に Plan Brief HTML を生成する。現プロジェクトのみで harness-mem を検索し (`strict_project: true`)、過去 decision \/ pattern \/ Plans archive から類似案件を抽出して `plan-brief-context.v1` schema に整形、`render-html.sh` で単独 HTML を生成しブラウザ自動 open する。Use when: 計画概要, 非エンジニア向け事前共有, 提案前 review。Do NOT load for: 実装作業, code review, release。",
    "user-invocable": false
}

harness-plan-brief

非エンジニアの発注者・プロデューサー職向けに、Claude が着手しようとしている計画を HTML 1 枚 で提示するスキル。 発注者の認知負荷ピーク (1) 計画理解の段階で使う。

Quick Reference

  • Plan Brief を作って」 → このスキル
  • 実装前にざっくり整理」 → このスキル
  • 非エンジニア向けに計画を見せて」 → このスキル

責任境界

範囲 このスキルの責務
検索 現プロジェクトのみ (project: <current>, strict_project: true を必ず指定)
クロスプロジェクト やらない (Phase 65.3 以降で --cross-project-group <name> flag で opt-in 解放)
書き込み やらない (Plan Brief 承認後の memory write は plan-brief-record-decision.sh の責務)
plan_readiness 算出 scripts/plan-brief-compile.sh に委譲。互換フィールド名 confidence は残すが、意味は DoD 明確度 + 依存解決率に限定

入力

引数 [task-description] にユーザーの request を渡す。 引数なしの場合は対話形式で受け取る。

出力

出力 パス 形式
Plan Brief HTML .claude/state/views/plan-brief-<timestamp>.html 単独で開ける HTML (no server, no JS framework)
Plan Brief context JSON .claude/state/views/plan-brief-<timestamp>.context.json plan-brief-context.v1 schema

Schema: plan-brief-context.v1

{
  "schema": "plan-brief-context.v1",
  "user_request": "string (ユーザーの request 原文)",
  "my_understanding": "string (Claude の理解を 1-3 段落で)",
  "options": [
    { "name": "string", "summary": "string", "pros": ["string"], "cons": ["string"] }
  ],
  "risks": [
    { "kind": "string", "severity": "info|warn|critical", "description": "string", "mitigation": "string" }
  ],
  "acceptance_criteria": [
    { "id": "string", "description": "string", "verifiable_by": "string" }
  ],
  "tdd_required": "yes|no|skip:<reason>",
  "confidence": 0,
  "confidence_evidence": ["string (plan_readiness evidence: DoD clarity + dependency resolution only)"],
  "related_decisions": [
    { "id": "string", "title": "string", "relevance": "string" }
  ],
  "similar_past_plans": [
    { "archive_path": "string", "phase": "string", "outcome": "cc:完了|cc:WIP|cc:TODO|skipped", "relevance": "string" }
  ],
  "project": "string",
  "generated_at": "ISO8601"
}

完全 schema は schemas/plan-brief-context.v1.schema.json を参照。

Execution Flow

スキル起動時、Claude は以下の手順で動作する。

Step 1: project name を解決

PROJECT_NAME="$(basename "$(git rev-parse --show-toplevel)")"

PROJECT_NAME が空 (git 外) の場合は current をデフォルトに使う。

Step 2: harness-mem を project-only で検索する (default)

引数に --cross-project-group <name> flag がない場合 (default behavior):

mcp__harness__harness_mem_search必ず 以下のパラメータで呼び出す:

project: <PROJECT_NAME>
strict_project: true
query: <user request>
expand_links: true
limit: 5

重要: project パラメータは必須。空文字列や null を渡してはならない。 strict_project: true を指定し、cross-project な検索は絶対に行わない。 必要なら tags filter で decision / pattern を絞ってもよいが、project は固定。

過去 decision (D1-D41) / pattern (P1-P33) / Plans archive 28 件から類似案件を最大 5 件取得する。

Step 2 (alt): cross-project search (Phase 65.3.5 opt-in)

引数に --cross-project-group <name> flag がある場合のみ:

D43 Option α (MCP N-call) に従い、以下の手順で cross-project 検索を行う。

# (a) group → member projects に解決 (yaml SSOT)
MEMBERS_JSON="$(bash scripts/load-cross-project-groups.sh --group "<name>" 2>/dev/null)" || {
  echo "ERROR: cross-project group not found: <name>" >&2
  exit 1
}
# MEMBERS_JSON は ["proj1","proj2",...] 形式の JSON 配列

MEMBERS_JSON[] (空配列) の場合は warning を出して default の単一 project search に fallback。

MEMBERS_JSON が非空の場合、各 member project に対して MCP search を 1 回ずつ発行 する:

for each project in MEMBERS_JSON:
  mcp__harness__harness_mem_search(
    project: <member>,
    strict_project: true,
    query: <user request>,
    expand_links: true,
    limit: 5
  )

各 search 結果を client 側でマージ・dedupe (id 単位)・relevance_score 降順 sort し、最大 5 件に絞る。 合計呼び出し数が多くなる (group が 5 project なら 5 回) ため、レイテンシは増える点に注意。

D43 判断 1 の根拠: MCP tool schema には projects: [array]strict_project: false も exposed されていないため、横断検索は client 側 N-call が唯一の選択肢。 詳細は .claude/rules/cross-repo-handoff.md の「Phase 65.3 実装決定事項 (D43)」参照。

cross-project 結果には Layer 2/3 (Phase 65.3.2-65.3.4) の redaction を必ず通すこと:

  • HTML レンダリング時に bash scripts/render-html.sh ... --with-redaction を使用
  • これにより辞書 + NER + final scan の 3 段で固有名詞が漏れない

Step 3: context JSON を組み立てる

scripts/plan-brief-compile.sh を使って、mem search 結果から plan-brief-context.v1 schema 準拠の JSON を構築する。

Phase 105.3 以降、Plan Brief の confidence は後方互換のフィールド名であり、 表示上の意味は plan_readiness として扱う。算出軸は次の 2 つだけに固定する。

  • DoD 明確度: request / DoD に機械検証できる数値・条件がどれだけ含まれるか
  • 依存解決率: 類似 Plans のうち依存が完了済みとして扱えるものの割合

過去類似案件の成功率や関連 Decision / Pattern 件数は context-only の根拠として表示し、 readiness 点数へ別軸加算しない。これは「AI の理解度」「成功確率」と誤読されるのを避けるため。

options / risks / acceptance_criteria は常に 1 件以上生成する。 mem search が空でも、以下を最低限埋める。

  • options: 推奨案を 1 件以上。必要なら代替案を追加し、pros / cons を付ける
  • risks: readiness 誤読、scope creep、未観測データなど今回の計画固有リスクを 1 件以上
  • acceptance_criteria: 実行後に機械検証または目視確認できる条件を 1 件以上

例:

jq -n \
  --arg req "$USER_REQUEST" \
  --arg proj "$PROJECT_NAME" \
  --arg ts "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
  '{
    schema: "plan-brief-context.v1",
    user_request: $req,
    my_understanding: "(まだ未着手)",
    options: [{name:"Option A: 最小検証で進める", summary:"DoD と依存を先に確認してから実装", pros:["影響が小さい"], cons:["大きな再設計は別タスク化が必要"]}],
    risks: [{kind:"readiness-misread", severity:"warn", description:"plan_readiness を AI の理解度として誤読するリスク", mitigation:"DoD 明確度 + 依存解決率だけの指標として evidence に明記"}],
    acceptance_criteria: [{id:"AC-1", description:"Plan Brief context が非空の options / risks / acceptance_criteria を含む", verifiable_by:"tests/test-plan-brief-compile.sh"}],
    confidence: 0,
    confidence_evidence: ["plan_readiness DoD 明確度: 0/60", "plan_readiness 依存解決率: 0/40"],
    tdd_required: "no",
    related_decisions: [],
    similar_past_plans: [],
    project: $proj,
    generated_at: $ts
  }' > "$CONTEXT_JSON"

Step 4: HTML を生成する

scripts/render-html.sh (Phase 65.1.1) を templates/html/plan-brief.html.template で呼ぶ:

HTML には TDD 判定を 1 行で表示する。 形式は tdd_required: yestdd_required: no、または tdd_required: skip:<reason> のいずれかにする。

bash scripts/render-html.sh \
  --template plan-brief \
  --data "$CONTEXT_JSON" \
  --out "$HTML_OUT"

Step 5: ブラウザで自動 open する

scripts/plan-brief-open.sh で OS 別 dispatch:

bash scripts/plan-brief-open.sh "$HTML_OUT"

BROWSER=true の env が設定されている場合 (CI 環境)、open は skip され printf で path だけ出力する。

Step 6: ユーザー承認待ち

「この理解で実装に進んでよいか」を確認する。 承認後の memory write は別スキル (Phase 65.1.4 の plan-brief-record-decision.sh) の責務。

失敗時の挙動

失敗 挙動
mcp__harness__harness_mem_search 不達 警告を表示し、related_decisions / similar_past_plans を空配列で続行
git rev-parse --show-toplevel 失敗 PROJECT_NAME=current で続行
render-html.sh 失敗 エラーを stderr に出力し exit 1
plan-brief-open.sh 失敗 HTML path を stdout に出力するだけで exit 0 (browser open は best-effort)

Related

  • scripts/render-html.sh (Phase 65.1.1) — HTML テンプレートエンジン
  • scripts/plan-brief-compile.sh (Phase 65.1.3) — context compilation
  • scripts/plan-brief-record-decision.sh (Phase 65.1.4) — 承認 memory write
  • harness-accept skill (Phase 65.2.1) — 受け入れ判断スキル (対構造)
  • harness-progress skill (Phase 65.4.1) — 進行管理スキル (対構造)

Version History

  • bfc2090 Current 2026-07-19 18:14

    移除冗余技能入口;将confidence指标重构为plan_readiness(DoD清晰度+依赖解决率),明确输出数组生成步骤。

  • c220671 2026-07-05 14:48

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Hash
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Indexed
2026-07-05 14:48

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