{
  "planPath": "docs/plans/2026-07-24-mesh-phase6-partition-and-colocation.md",
  "program": "per-cluster-mesh",
  "phase": 6,
  "branch": "feat/mesh-phase6",
  "decisions": {
    "secrets": "pair-local Akka (no SQL-hub; sites have no SQL)",
    "dpsBranches": "flip rig + split-topology validator; keep DPS code. NOTE: compiled defaults NOT flipped (Task 6) — blast-radius assessment showed a flip hard-fails all 14 Host.IntegrationTests + all 5 appsettings profiles + docker-dev site nodes; the Task 5 validator already enforces split-correctness fail-closed on cluster-role nodes, which is the actual intent.",
    "rigScope": "OtOpcUa-only three 2-node meshes on one shared network"
  },
  "tasks": [
    {"id": 0, "subject": "Task 0: RoleParser accepts cluster-{ClusterId}; consolidate driver literal", "classification": "small",     "status": "completed", "commit": "87ff00fd"},
    {"id": 1, "subject": "Task 1: ClusterRoleInfo exposes node's own ClusterRole/ClusterId",           "classification": "small",     "status": "completed", "commit": "2d2f1dec", "note": "interface in Commons/Interfaces/IClusterRoleInfo.cs; ctor (ActorSystem, IOptions<AkkaClusterOptions>, ILogger)"},
    {"id": 2, "subject": "Task 2: re-home RedundancyStateActor to cluster-role singleton on drivers",   "classification": "high-risk", "status": "completed", "commit": "a4d3ab40", "note": "re-home a2c5d57f + review fixes a4d3ab40 (comments + driver-fallback registry test + fixed a cross-task admin-boot NRE race); 14/14 tests"},
    {"id": 3, "subject": "Task 3: re-scope ClusterNodeAddressReconciler to own-cluster rows",           "classification": "standard",  "status": "completed", "commit": "1ce2042e", "note": "impl 2535df01 + review-fix 1ce2042e (observed ALSO scoped by cluster role via testable FilterOwnClusterDriverMembers helper; 17/17)"},
    {"id": 4, "subject": "Task 4: one ClusterClient per cluster in CentralCommunicationActor",          "classification": "high-risk", "status": "completed", "commit": "6531ec19", "note": "impl 6531ec19 + comment fix d98b3264; two-mesh boundary test proves partitioned delivery, red-before-green"},
    {"id": 5, "subject": "Task 5: split-topology startup validator (cluster-role => non-DPS)",          "classification": "standard",  "status": "completed", "commit": "344b0d33", "note": "impl a886d5e6 + review-fix 344b0d33 (resolve EFFECTIVE roles incl OTOPCUA_ROLES fallback matching Program.cs, case-normalize -> guardrail can't be defeated by role-source/case mismatch); 16/16 filter, 124/124 Cluster.Tests"},
    {"id": 6, "subject": "Task 6: compiled transport-mode defaults",                                    "classification": "small",     "status": "resolved-no-flip", "note": "DECIDED not to flip — blast-radius assessment: high-risk (breaks all integration tests + appsettings profiles + docker-dev site nodes), low-value (Task 5 validator already enforces split-correctness fail-closed). Documented in plan Task 6 + Configuration.md."},
    {"id": 7, "subject": "Task 7: rewrite docker-dev rig into three 2-node meshes",                     "classification": "standard",  "status": "completed", "commit": "741ab97b", "note": "3 meshes, per-pair self-first seeds, cluster roles, transports flipped (ClusterClient/Grpc), pair-local secrets note; docker compose config validates; seed SQL already correct (GrpcPort=4056)"},
    {"id": 8, "subject": "Task 8: docs sweep — status tables, caveat removal, pair-local secrets note", "classification": "small",     "status": "completed", "commit": "8a173bba", "note": "all 7 edits (Redundancy/Config/CLAUDE/2 plans/IManualFailoverService/ClusterRedundancy.razor); subagent died at commit step, edits reviewed+committed by controller; full-solution build clean (0 errors)"},
    {"id": 9, "subject": "Task 9: live gate — three meshes, per-pair redundancy, cross-mesh transports","classification": "high-risk", "status": "completed", "note": "PASSED — all 8 legs green (docs/plans/2026-07-24-mesh-phase6-live-gate.md). Caught + fixed-forward 3 defects: (1) product boot-crash StackOverflow — cluster-redundancy singleton resolved IClusterRoleInfo eagerly inside the AddAkka lambda while the ActorSystem was building (fix 3a4ed8dd: derive scope from AkkaClusterOptions); (2) rig — site nodes crashed on LDAP options (no Security__Ldap__* block); (3) rig — site pairs split-brained on simultaneous start (both self-first seeds), fixed with a founder healthcheck + service_healthy gating (2+3 in 792f28ec). Legs: 3 isolated meshes, one Primary/pair 250/240, deploy sealed acks=6 over per-cluster ClusterClient, telemetry gRPC :4056 up + reconnect, reconciler own-cluster-scoped, secrets pair-local, split validator refuses Dps, failover+auto-down-1v1 survival proven. Master 792f28ec."}
  ],
  "lastUpdated": "2026-07-24T11:10:00Z"
}