hooks:
  - event: tool.before.*
    filter:
      tool: [ast_grep_rewrite]
    action: bash
    command: |
      # Enforce preview-first refactoring policy: apply=true is blocked without previous dry-run
      if echo "$PI_TOOL_ARGS" | grep -q '"apply":true' && [[ ! -f ".ast_preview_approved" ]]; then
        echo "Policy Violation: ast_grep_rewrite with apply=true requires a prior dry-run verification." >&2
        exit 2
      fi
  - event: user.prompt.submit
    action: bash
    command: |
      echo "[context-injection] Specialist 'ast-structural-refactorer' active. Working directory: $(pwd)"