fix(FN-7335): retry active merge pause aborts

.changeset/merge-reviewing-pause-abort.md

@@ -0,0 +1,7 @@
+---
+"@runfusion/fusion": patch
+---
+
+summary: Retry workflow merge-node pause aborts while merge review is active.
+category: fix
+dev: Treats transient in-review statuses such as reviewing/merging as safe for bounded merge retry.

packages/engine/src/__tests__/reliability-interactions/merge-node-paused-abort-retryable.test.ts

@@ -127,6 +127,22 @@ describe("merge-node paused-abort retry classification (FN-6735)", () => {
     expect(store.updateTask).not.toHaveBeenCalledWith(task.id, expect.objectContaining({ status: "failed" }), undefined);
   });
 
+  it("retries FN-7335-style merge pause aborts while AI merge review status is active", async () => {
+    const { store, task, executor, mergeRequester } = makeHarness({ status: "reviewing" });
+
+    await invokeGraphFailure(executor, task, "merge");
+
+    expect(mergeRequester).toHaveBeenCalledWith(task.id);
+    const messages = logText(store);
+    expect(messages).toContain("Workflow graph merge failure at node 'merge' routed to bounded auto-merge retry after benign pause/resume abort");
+    expect(messages).not.toContain("operator action required");
+    expect(store.updateTask).not.toHaveBeenCalledWith(
+      task.id,
+      expect.objectContaining({ status: "failed" }),
+      undefined,
+    );
+  });
+
   it("parks genuine merge conflicts as terminal instead of retrying forever", async () => {
     const { store, task, executor, mergeRequester } = makeHarness();
 

packages/engine/src/executor.ts

@@ -7592,6 +7592,14 @@ export class TaskExecutor {
       || normalized.includes("max retries");
   }
 
+  private isRetryableMergePauseAbortStatus(status: string | null | undefined): boolean {
+    /*
+    FNXC:WorkflowMerge 2026-07-01-22:05:
+    FN-7335 surfaced a merge-node pause/resume abort while the row was legitimately `in-review` with status="reviewing" from the AI merge reviewer. That status is merge activity, not a pre-existing terminal failure; keep the retry classifier strict on real errors while allowing transient merge/review statuses to re-enter bounded merge retry.
+    */
+    return status == null || status === "reviewing" || status === "merging" || status === "merging-pr";
+  }
+
   private async isRetryableBenignMergePauseAbort(
     live: TaskDetail,
     result: WorkflowGraphTaskRunResult,
@@ -7605,7 +7613,7 @@ export class TaskExecutor {
     if (!pausedAborted) return false;
     if (abortProvenance === "global-pause" || live.userPaused === true) return false;
     if (abortProvenance === "completion-finalize") return false;
-    if (live.column !== "in-review" || live.status != null || live.error != null) return false;
+    if (live.column !== "in-review" || !this.isRetryableMergePauseAbortStatus(live.status) || live.error != null) return false;
     if (live.mergeDetails?.mergeConfirmed === true) return false;
     if (this.isTerminalMergeGraphFailureValue(this.graphFailureValue(result))) return false;
     const failedNode = result.visitedNodeIds[result.visitedNodeIds.length - 1];