spec: add harden-hourly-sync-lifecycle change (WealthLedger/backend#56)

2026-10-12 20:28:58 +03:00
parent 78f01066d2
commit 14174a7bb3
11 changed files with 828 additions and 0 deletions
@@ -0,0 +1,23 @@
+sequenceDiagram
+  participant Coordinator
+  participant DB as Durable attempt status
+  participant Steps as Child step owners
+
+  Note over Coordinator,DB: Attempt is still running but its walk no longer executes
+  Coordinator->>DB: Detect running attempt without active walk
+  alt Process still alive after lost settle
+    Coordinator->>DB: Read actual step results
+    Coordinator->>DB: Close attempt as partial or failed with cause INTERRUPTED
+  else Process restarted after stop
+    Coordinator->>DB: Read actual step results
+    Coordinator->>DB: Close abandoned attempt as partial or failed with cause INTERRUPTED
+  end
+  DB-->>Coordinator: Attempt is terminal, no overlap possible
+  Coordinator->>DB: Reserve next attempt at next hourly term from attempt start
+  alt Next term reached
+    DB-->>Coordinator: Successor attempt starts
+    Steps->>DB: Late publication from previous attempt
+    DB-->>Steps: Publication rejected as stale relative to successor
+  else Next term not reached
+    DB-->>Coordinator: No work (not-due)
+  end