huge optimizations

Overlord-Server/src/server/maintenance-loops.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, test } from "bun:test";
+import { getHeartbeatBatchSize } from "./maintenance-loops";
+
+describe("maintenance heartbeat batching", () => {
+  test("spreads large fleets across the heartbeat interval", () => {
+    expect(getHeartbeatBatchSize(1000, 30_000)).toBe(34);
+  });
+
+  test("keeps small fleets responsive", () => {
+    expect(getHeartbeatBatchSize(10, 30_000)).toBe(1);
+  });
+
+  test("handles empty fleets", () => {
+    expect(getHeartbeatBatchSize(0, 30_000)).toBe(0);
+  });
+});