fix(infra): handle detached respawn child errors

clawsweeper[bot] · clawsweeper[bot] · commit 0d8c38ef50a0 · 2026-07-07T10:09:38.000Z
diff --git a/src/infra/process-respawn.test.ts b/src/infra/process-respawn.test.ts
@@ -408,6 +408,8 @@ describe("respawnGatewayProcessForUpdate", () => {
     expect(result.mode).toBe("spawned");
     expect(result.child).toBe(child);
     expect(child.on).toHaveBeenCalledWith("error", expect.any(Function));
+    const errorListener = child.on.mock.calls.find(([event]) => event === "error")?.[1];
+    expect(() => errorListener?.(new Error("spawn ENOENT"))).not.toThrow();
     expect(child.unref).toHaveBeenCalledOnce();
     const onCallOrder = child.on.mock.invocationCallOrder[0] ?? Number.POSITIVE_INFINITY;
     const unrefCallOrder = child.unref.mock.invocationCallOrder[0] ?? Number.NEGATIVE_INFINITY;
