doctor

Run when the user asks for a health check of their NVZver marketplace install — "doctor", "health check", "verify install", "is my install wired", "something's broken", a skill that should have triggered didn't, or right after installing or updating plugins. Runs four fixed read-only diagnostic checks — required plugins installed (core + lsa), the core/CLAUDE.md always-on fragment merged into the project CLAUDE.md, installed plugin versions consistent with their source manifests, and the marketplace gate scripts passing — and reports a per-check PASS/WARN/FAIL/SKIP table with the evidence found and a one-line fix per failure. Never edits anything. Not for free-form questions ("what is X?", "how do I Y?") — the doctor only runs its fixed checks.