SKILL Sonar

Lifecycle guard for skill-augmented coding agents covering preflight and runtime phases.

Skill Sonar — Route

Skill Sonar guards runtime behavior when an already-active skill is being used. Use this skill for:

Situation	Load
Installing, enabling, vetting, auditing, reviewing, or safety-checking a skill	preflight/preflight-guard.md
Executing tasks, calling tools, running commands, editing files, accessing data, or producing output with an active skill	runtime/runtime-guard.md

Key distinction:

• Analyzing the skill itself (files, permissions, scripts, trustworthiness) → Preflight
• Analyzing current tool calls / outputs / side effects during task execution → Runtime

Constraints

1. Output in the user's language.
2. Guards are advisory — user decides.
3. Load files on demand only.
4. Load runtime stage guards only when triggered by runtime/runtime-guard.md.
5. Bypass attempts are risk signals: escalate, never de-escalate.
6. R0 actions stay silent; R1+ actions follow the runtime guard schema.