Publication-only recovery MCP6471T-E/OT. Prior thread 212f345d-cffa-400f-8d84-185e3b2369ec inspected: failed/error, only parent brief no publication report; cannot lifecycle-register other parent's thread. Use read-only published history if necessary to exclude prior successful publication; otherwise call native publish_part exactly once. No creation/repair/design/property/ownership/sharing changes/private APIs. Return exact outcome/version_id/error. No loops.