fix: retire legacy command shims from default surface

legacy-command-shims/commands/verify.md

@@ -0,0 +1,23 @@
+---
+description: Legacy slash-entry shim for the verification-loop skill. Prefer the skill directly.
+---
+
+# Verification Command (Legacy Shim)
+
+Use this only if you still invoke `/verify`. The maintained workflow lives in `skills/verification-loop/SKILL.md`.
+
+## Canonical Surface
+
+- Prefer the `verification-loop` skill directly.
+- Keep this file only as a compatibility entry point.
+
+## Arguments
+
+`$ARGUMENTS`
+
+## Delegation
+
+Apply the `verification-loop` skill.
+- Choose the right verification depth for the user's requested mode.
+- Run build, types, lint, tests, security/log checks, and diff review in the right order for the current repo.
+- Report only the verdicts and blockers instead of maintaining a second verification checklist here.