Preserve the contributor change and current installer contracts. Make automatically discovered plugin entrypoints inert without explicit runtime consent, verify managed ownership before deactivation, and retain prior consent on incomplete migration.
Source-PR: https://github.com/affaan-m/ECC/pull/3008
Source-Head: f8c0c2c182
Move stable hook metadata to a validated sidecar while preserving hook commands and installer identity. Reject moved fingerprints and duplicate IDs, and validate before updating metadata. Independent local review passed at c315271624a1fd055b992f2bff889ad2a0ff8a6b; CI run 34678210149 passed. Rollback: revert this squash commit.
affaan-m