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Rules for PACMAN control-plane quorum, leases, epochs, fencing, and split-brain prevention.
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Based on SOC occupation classification
Require a concrete change explanation and explicit user approval before modifying a repository, then implement and verify the approved scope. Use whenever Codex is asked to create, edit, delete, generate, format, refactor, fix, upgrade, or otherwise mutate repository files, dependencies, configuration, tests, documentation, build artifacts, or version-control state.
Repository layout for the pacman Go PostgreSQL HA cluster manager.
Use when inspecting GitHub Actions, CI failures, failed Go tests, workflow logs, or build/lint/test errors. Avoid reading full logs; summarize failed jobs and inspect only relevant snippets.
Maintain PACMAN-native and Patroni-compatible API contracts.
PACMAN domain rules for cluster state transitions and operation history.
Minimal Go build, test, debug, and lint workflow for pacman.
| name | control-plane-quorum |
| description | Rules for PACMAN control-plane quorum, leases, epochs, fencing, and split-brain prevention. |
Use when touching leader election, source-of-truth reads/writes, failover eligibility, leases, epochs, fencing, or DCS behavior.
Primary locations:
internal/controlplane: leader, source-of-truth, failover/switchover/rejoin.internal/dcs: DCS interface and backend implementations.internal/fencing: fencing hooks and decisions.docs/ARCHITECTURE_DCS.md: DCS design context.Rules: