name: Decompose Issue for Copilot # copilot ラベルが付いた Issue を Claude Opus で分析。 # 粗粒度（vague / multi-part / doc-only になりそう）なら原子的サブタスクに分解して # GitHub Sub-issues API で子 Issue として親に紐づける（サブイシュー化）。 # 粒度が適切（atomic）なら何もせず copilot-assign.yml に任せる。 on: issues: types: [labeled] jobs: decompose: name: Analyze & Decompose runs-on: ubuntu-latest if: github.event.label.name == 'copilot' permissions: issues: write contents: read steps: - name: Write issue data to file uses: actions/github-script@v7 with: script: | const fs = require('fs'); const issue = context.payload.issue; fs.writeFileSync('/tmp/issue.json', JSON.stringify({ number: issue.number, title: issue.title, body: issue.body || '(no description provided)', })); console.log(`Issue #${issue.number} written to /tmp/issue.json`); - name: Setup Node.js uses: actions/setup-node@v4 with: node-version: '22' - name: Install Claude CLI run: npm install -g @anthropic-ai/claude-code@latest - name: Analyze Issue with Claude Opus id: analyze env: CLAUDE_CODE_OAUTH_TOKEN_1: ${{ secrets.CLAUDE_CODE_TOKEN }} CLAUDE_CODE_OAUTH_TOKEN_2: ${{ secrets.CLAUDE_CODE_TOKEN_2 }} CLAUDE_CODE_OAUTH_TOKEN_3: ${{ secrets.CLAUDE_CODE_TOKEN_3 }} run: | set -euo pipefail cd /tmp ISSUE_NUM=$(python3 -c "import json; print(json.load(open('issue.json'))['number'])") ISSUE_TITLE=$(python3 -c "import json; print(json.load(open('issue.json'))['title'])") # Issue body を安全にファイルへ書き出してstdinでClaudeに渡す python3 -c "import json; print(json.load(open('issue.json'))['body'])" > /tmp/issue_body.txt SYSTEM_PROMPT="You are a software engineering task decomposer. Given a GitHub Issue, classify it as atomic or coarse, then return ONLY valid JSON with no extra text or markdown fences." # USER_PROMPT をファイルに書き出す（base64 + Python env var 方式で YAML インデント問題を回避） export _PROMPT_B64='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' export _ISSUE_NUM="${ISSUE_NUM}" export _ISSUE_TITLE="${ISSUE_TITLE}" python3 -c "import base64,os; b=base64.b64decode(os.environ['_PROMPT_B64']).decode(); b=b.replace('ISSUE_NUM',os.environ['_ISSUE_NUM']); b=b.replace('ISSUE_TITLE',os.environ['_ISSUE_TITLE']); open('/tmp/user_prompt.txt','w').write(b)" USER_PROMPT=$(cat /tmp/user_prompt.txt) RESULT='{"atomic":true,"reason":"Defaulting to atomic (analysis unavailable)","subtasks":[]}' for i in 1 2 3; do case $i in 1) TOK="${CLAUDE_CODE_OAUTH_TOKEN_1:-}" ;; 2) TOK="${CLAUDE_CODE_OAUTH_TOKEN_2:-}" ;; 3) TOK="${CLAUDE_CODE_OAUTH_TOKEN_3:-}" ;; esac [ -z "${TOK:-}" ] && { echo "Token $i empty, skipping."; continue; } echo "Trying token $i/3..." set +e OUT=$(cat /tmp/issue_body.txt | \ ANTHROPIC_API_KEY="" \ CLAUDE_CODE_OAUTH_TOKEN="$TOK" \ CLAUDE_NO_ANALYTICS=1 \ NO_UPDATE_NOTIFIER=1 \ claude \ --model claude-opus-4-6 \ --print "$USER_PROMPT" \ --system-prompt "$SYSTEM_PROMPT" \ --no-session-persistence \ 2>/tmp/decompose_err.txt) CODE=$? set -e if [ $CODE -eq 0 ] && python3 -c "import json,sys; json.loads(sys.stdin.read())" <<< "$OUT" 2>/dev/null; then RESULT="$OUT" echo "Token $i succeeded." break fi echo "Token $i failed (exit=$CODE). stderr: $(head -3 /tmp/decompose_err.txt 2>/dev/null || true)" if grep -q "429\|rate.limit" /tmp/decompose_err.txt 2>/dev/null; then echo "Rate limited, waiting 10s..." sleep 10 fi done echo "$RESULT" > /tmp/analysis.json cat /tmp/analysis.json IS_ATOMIC=$(python3 -c "import json; d=json.load(open('/tmp/analysis.json')); print('true' if d.get('atomic', True) else 'false')") echo "atomic=$IS_ATOMIC" >> $GITHUB_OUTPUT echo "Analysis complete: atomic=$IS_ATOMIC" - name: Create atomic sub-issues if: steps.analyze.outputs.atomic == 'false' uses: actions/github-script@v7 with: script: | const fs = require('fs'); const analysis = JSON.parse(fs.readFileSync('/tmp/analysis.json', 'utf8')); const parent = context.payload.issue; const created = []; for (const task of (analysis.subtasks || [])) { const body = [ `> Decomposed from: #${parent.number} — ${parent.title}`, '', task.body || '', '', '---', `_Auto-decomposed from #${parent.number} by Claude Opus_`, ].join('\n'); const { data } = await github.rest.issues.create({ owner: context.repo.owner, repo: context.repo.repo, title: task.title, body, labels: ['copilot'], }); created.push({ number: data.number, title: task.title }); console.log(`Created #${data.number}: ${task.title}`); // GitHub Sub-issues API で親 Issue の子として紐づける try { await github.graphql(` mutation AddSubIssue($issueId: ID!, $subIssueId: ID!) { addSubIssue(input: {issueId: $issueId, subIssueId: $subIssueId}) { issue { number } subIssue { number } } } `, { issueId: parent.node_id, subIssueId: data.node_id, }); console.log(`Linked #${data.number} as sub-issue of #${parent.number}`); } catch (e) { // Sub-issues が未対応リポジトリの場合はスキップ（スタンドアロン Issue として残る） console.log(`Sub-issue linking skipped: ${e.message}`); } } // 親 Issue に decomposed ラベル追加・copilot ラベル除去 await github.rest.issues.addLabels({ owner: context.repo.owner, repo: context.repo.repo, issue_number: parent.number, labels: ['decomposed'], }); await github.rest.issues.removeLabel({ owner: context.repo.owner, repo: context.repo.repo, issue_number: parent.number, name: 'copilot', }).catch(() => {}); // 親 Issue にサマリーコメント const list = created.map(t => `- #${t.number}: ${t.title}`).join('\n'); await github.rest.issues.createComment({ owner: context.repo.owner, repo: context.repo.repo, issue_number: parent.number, body: [ '## Issue Decomposed by Claude Opus', '', `**Reason**: ${analysis.reason}`, '', `This issue was split into ${created.length} atomic subtasks:`, list, '', 'Each sub-issue has been labeled `copilot` and will be assigned to Copilot Coding Agent individually.', '', '_Tip: If a subtask is still too vague, edit its body to add specific file paths before adding the `copilot` label._', ].join('\n'), }); - name: Mark as atomic (no decomposition needed) if: steps.analyze.outputs.atomic == 'true' uses: actions/github-script@v7 with: script: | // atomic ラベルを追加。copilot-assign.yml がそのまま処理する。 await github.rest.issues.addLabels({ owner: context.repo.owner, repo: context.repo.repo, issue_number: context.payload.issue.number, labels: ['atomic'], }).catch(() => {}); console.log('Issue is atomic, proceeding to copilot-assign.');