wiki-vault/wiki-context are an MCP-owned, managed surface — a second scanner
risks interfering with how the vault MCP maintains its context. Remove the
'root' domain from DEFAULT_DOMAINS so a plain run no longer touches the vault;
the --scan/--repo escape hatch still allows manual one-offs. Updated SKILL.md,
check-catalog, findings-format, README, CLAUDE.md with the rationale.
Default run: 3 domains, 37 repos, 54 findings (was 61); clears the vault-only
false positives (herbygitea doc-mention, wiki-context uv-init stub).
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