companion::reconcile only recreates a deleted companion unit when its parent
backend is in manifest_ids. On contaminated .228, electrumx ran as plain podman
and was NOT a tracked manifest install (manifest on disk but unloaded), so the
reconciler never iterated it -> archy-electrs-ui companion orphaned. Proven:
package.install electrumx re-registered it + restored the companion. Self-heal
logic is sound; test 31 clears on re-quadletize. electrumx on .228 de-contaminated.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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