Why: the Dev pin sat at e03d3ac while backend main moved to 421fee8 (#124: pluginRegistry now fills the shared EXT-8 authz slot instead of rejecting in-proc registrations — the fix that restored rdm.* command availability in the served RDM process). The umbrella must carry it before v0.3.0 is tagged so the release combination includes the fix. Evidence: Backend #124 head 72b2098 CI success, merged as 421fee8; RDM consumed it as pins 421fee8 in RDM #173 with the full MS1 re-acceptance green. Umbrella make test follows via evidence. Impact: umbrella gitlink only. Refs: Backend #124; RDM #173; plan G1-8.
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@ 76d6633736