orchestrator: Wire the Updatable seam and the update frontend connection - #441
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BoardCapabilities gains an Updatable associated type and Board an updatables array, indexed like images. Wiring only: the executors for the update quartet wait on the update-pump design, since a staging transfer spans many event-loop iterations and cannot run inside one effect. Assisted-by: Claude:claude-fable-5 Signed-off-by: Christina Quast <christina.quast@9elements.com>
request_update is the seam between an update frontend (PLDM FD, staged blob) and the orchestrator: driver.submit_update(target) records the job, then Event::UpdateRequest is dispatched. The order is load-bearing: StageUpdate with no stored job fails closed, and a refused submit (unknown id, update already in flight) injects no event; the frontend answers the requester over its own protocol. Assisted-by: Claude:claude-fable-5 Signed-off-by: Christina Quast <christina.quast@9elements.com>
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This PR stays in draft until we agreed on how Events are injected into the SM.
The board composes the update capability:
BoardCapabilitiesgains anUpdatableassociated type andBoardanupdatablesarray, indexed likeimages.On top of that, the connection between an update frontend (PLDM FD, staged blob) and the SM:
driver.submit_update(target)records the in-flight job — unknown id and double submit are refused, nothing stored on refusal — andrequest_updatesubmits first, then dispatchesEvent::UpdateRequest. The order is load-bearing:StageUpdatecan never run without a target, and a refused request never reaches the SM; the frontend answers the requester over its own protocol.The update-quartet executors are not in here; they follow with the update pump. Until then the end-to-end test pins today's fail-closed behavior (the
Updatingentry effects latchLocked).Progress toward 9elements#8.