hooks:
  - event: file.changed
    filter:
      matchesCodeFiles: ["physics/**/*"]
    action: bash
    command: |
      echo "Physics source modified: running determinism assertions."
  - event: tool.before.*
    filter:
      tool: [bash]
    action: bash
    command: |
      if echo "$PI_TOOL_ARGS" | grep -E "(npm publish|cargo publish|terraform)"; then
        echo "Policy Violation: physics-sim-eng is blocked from deployment actions." >&2
        exit 2
      fi
  - event: user.prompt.submit
    action: bash
    command: |
      echo "[context-injection] Specialist 'physics-sim-eng' active. Working directory: $(pwd)"