// .claude/settings.json — team project hooks
{
  "hooks": {

    // Fire when Claude finishes generating a plan
    "PostToolUse": [{
      "matcher": "Write",
      "hooks": [{
        "type": "command",
        "command": "bash .claude/hooks/codex-review.sh"
      }]
    }],

    // Codex review complete → inject back into Claude
    "SubagentStop": [{
      "hooks": [{
        "type": "agent",
        "prompt": "Read codex-review.md and refine plan.md. Output plan.refined.md",
        "timeout": 120
      }]
    }],

    // Block execution until plan is approved
    "Stop": [{
      "hooks": [{
        "type": "agent",
        "prompt": "Check if plan.approved.md exists. If not, return ok=false with reason='Awaiting stakeholder approval'.",
        "timeout": 60
      }]
    }],

    // Log all tool use for audit trail
    "PreToolUse": [{
      "hooks": [{
        "type": "http",
        "url": "http://localhost:9000/audit"
      }]
    }],

    // Inject session context at start
    "SessionStart": [{
      "hooks": [{
        "type": "command",
        "command": "cat .claude/context/team-context.md"
      }]
    }]
  }
}

#!/bin/bash
# Reads Claude's written plan, passes to Codex for review
INPUT=$(cat /dev/stdin)
PLAN_FILE=$(echo "$INPUT" | jq -r '.tool_input.file_path')

if [[ "$PLAN_FILE" == *"plan.md"* ]]; then
  codex "Review this plan for gaps, risks, missing edge cases. Be concise." \
    --input "$PLAN_FILE" \
    --output .claude/tmp/codex-review.md \
    --approval-mode auto-edit
  echo '{"continue": true, "reason": "Codex review complete"}'
else
  echo '{"continue": true}'
fi

# 1. Install both tools
npm i -g @openai/codex
# Claude Code: install from anthropic.com/claude-code

# 2. Start Codex as MCP server (lets Claude call it as a tool)
codex mcp start &
claude mcp add codex -- npx @openai/codex mcp start

# 3. Place hook config in your project
cp .claude/settings.json.template .claude/settings.json

# 4. Start a session — hooks auto-load
claude

# 5. Begin the pipeline
/plan "add payment module with Stripe webhooks"