fix(cluster): close four-node PCM-X liveness campaign#63

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fix/t400-l3-fail-closed-observability

Commits on Jul 18, 2026

feat(cluster): record the PCM-X fail-closed arm per node
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test(cluster): sync pinned pcm dump counts for the fail-closed site key
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fix(cluster): capture the internal convert.c fail-closed arms too
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style(cluster): clang-format the fail-closed observability files
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test(cluster): t/400 mid-leg probe of writer wait events and queue gauges
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test(cluster): two-sample mid-leg probe to fingerprint the stall loop
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test(cluster): mid-leg probe adds aux-process waits and per-peer wire deltas
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test(cluster): include lmd and interconnect listener in the aux-wait probe
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feat(cluster): per-slot master tag/ticket diagnostic rows in the pcm dump
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fix(cluster): coherent slot dump + requester escape-arm evidence
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style(cluster): undo accidental clang-format of PG core bufmgr.c
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fix(cluster): forward-declare pcm_x_domain_slot for the early dump iterators
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feat(cluster): local-tag dump, terminal-kick note, fail-closed exit lines
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Commits on Jul 19, 2026

Commits on Jul 20, 2026

Commits on Jul 22, 2026

fix(cluster): close four-node PCM-X liveness campaign
SqlRush
committed
style(cluster): format PCM-X liveness closure
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committed