paired: suppress stale finalize retries

src/paired-turn-run-ownership.ts

@@ -0,0 +1,34 @@
+import { getPairedTurnAttempts } from './db.js';
+
+export interface PairedTurnRunOwnership {
+  state: 'active' | 'inactive' | 'missing';
+  currentAttemptNo: number | null;
+  currentAttemptState: string | null;
+  currentAttemptRunId: string | null;
+}
+
+export function resolvePairedTurnRunOwnership(args: {
+  turnId: string;
+  runId: string;
+}): PairedTurnRunOwnership {
+  const currentAttempt = getPairedTurnAttempts(args.turnId).at(-1);
+  if (!currentAttempt) {
+    return {
+      state: 'missing',
+      currentAttemptNo: null,
+      currentAttemptState: null,
+      currentAttemptRunId: null,
+    };
+  }
+
+  return {
+    state:
+      currentAttempt.state === 'running' &&
+      currentAttempt.active_run_id === args.runId
+        ? 'active'
+        : 'inactive',
+    currentAttemptNo: currentAttempt.attempt_no,
+    currentAttemptState: currentAttempt.state,
+    currentAttemptRunId: currentAttempt.active_run_id ?? null,
+  };
+}