spec-7.3: LMS worker pool (D1-D9) + lane review fixes + main merge#33

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spec-7.3-lms-worker-pool

Commits on Jul 9, 2026

chore(cluster): fuse spec-7.2 IC data-plane decoupling onto the stage7 P0 substrate
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fix(cluster): spec-7.2 D7 F6-1 -- one-shot conn-reset injection, un-SKIP t/360 L5
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feat(cluster): spec-7.3 D1 -- LMS worker-pool shard map (pure layer)
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feat(cluster): spec-7.3 D2 -- LMS DATA-plane worker pool instantiation
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feat(cluster): spec-7.3 D3 (wire) -- HELLO worker_id/n_workers fields
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feat(cluster): spec-7.3 D3 -- per-worker DATA tier1 shmem + mesh + HELLO gate
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test(cluster): spec-7.3 D3 -- 2-node worker-pool mesh + HELLO gate e2e
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feat(cluster): spec-7.3 D4 -- outbound ring group xN + per-tag shard routing
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test(cluster): spec-7.3 -- reserve per-worker DATA port span in old gcs multi-node TAP
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feat(cluster): spec-7.3 D5 -- per-worker sharded GCS block dedup HTAB
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feat(cluster): spec-7.3 D6 -- inline CR/undo serve on the DATA plane (park kept for control)
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Commits on Jul 10, 2026