## Why
Two issues were found in `validate-provenance.sh` by `/skill-audit`:
1. `find_plugin_root` only walked up looking for bare `plugin.json`, missing
the `.claude-plugin/plugin.json` layout used by kyberforge plugins — matching
the logic already present in `validate.sh`.
2. Check numbers in `--help` and inline comments had a gap (0,1,2,4,5,6) from
a previously removed check, making the numbering confusing to readers.
## Implementation Notes
Check numbers renumbered sequentially 0–5 in both the `--help` output block
and the inline `# --- Check N:` comments. The `find_plugin_root` condition now
mirrors the `detect_scope` function in `validate.sh`.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0147vXtL5sP6vorDdqXGJJU9
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