refactor: consolidate typing lifecycle and queue policy

src/auto-reply/reply/queue-policy.test.ts

@@ -0,0 +1,48 @@
+import { describe, expect, it } from "vitest";
+import { resolveActiveRunQueueAction } from "./queue-policy.js";
+
+describe("resolveActiveRunQueueAction", () => {
+  it("runs immediately when there is no active run", () => {
+    expect(
+      resolveActiveRunQueueAction({
+        isActive: false,
+        isHeartbeat: false,
+        shouldFollowup: true,
+        queueMode: "collect",
+      }),
+    ).toBe("run-now");
+  });
+
+  it("drops heartbeat runs while another run is active", () => {
+    expect(
+      resolveActiveRunQueueAction({
+        isActive: true,
+        isHeartbeat: true,
+        shouldFollowup: true,
+        queueMode: "collect",
+      }),
+    ).toBe("drop");
+  });
+
+  it("enqueues followups for non-heartbeat active runs", () => {
+    expect(
+      resolveActiveRunQueueAction({
+        isActive: true,
+        isHeartbeat: false,
+        shouldFollowup: true,
+        queueMode: "collect",
+      }),
+    ).toBe("enqueue-followup");
+  });
+
+  it("enqueues steer mode runs while active", () => {
+    expect(
+      resolveActiveRunQueueAction({
+        isActive: true,
+        isHeartbeat: false,
+        shouldFollowup: false,
+        queueMode: "steer",
+      }),
+    ).toBe("enqueue-followup");
+  });
+});