Route local producers to durable owner ingress before attempting the unowned
CLI lane. Preserve per-run/per-message IDs and receipt-first retry handling;
never fall back after ambiguous admission. Report cron admission as queued,
not completed or failed, in job status, the execution ledger and CLI/tool UX.
Native isolated Electron validation reproduces SESSION_NOT_OWNED on main for
both idle and busy owners. Fixed owner consumes idle cron, busy cron, local
DM and mounted-chat cron exactly once, keeps its lease, yields to queued
human input, and preserves the prior model-request prefix and tool schema.
Inference alone used a deterministic loopback wire stub; no paid model call.
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