improve running-job responsiveness, bump version to 2026.04.15.7

server/api/__tests__/execute.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test";
-import { extractErrorSummary } from "../execute";
+import { extractErrorSummary, shouldSendLiveUpdate, yieldAfterChunk } from "../execute";
 
 describe("extractErrorSummary", () => {
 	test("pulls the real error line out of ffmpeg's banner", () => {
@@ -47,3 +47,27 @@ describe("extractErrorSummary", () => {
 		expect(summary).toBe("Error: no space left on device");
 	});
 });
+
+describe("shouldSendLiveUpdate", () => {
+	test("throttles updates until interval passes", () => {
+		expect(shouldSendLiveUpdate(1_000, 800, 500)).toBe(false);
+		expect(shouldSendLiveUpdate(1_301, 800, 500)).toBe(true);
+	});
+});
+
+describe("yieldAfterChunk", () => {
+	test("yields once threshold is reached, resets chunk counter", async () => {
+		let yieldCalls = 0;
+		const sleep = async (_ms: number) => {
+			yieldCalls += 1;
+		};
+		let chunks = 0;
+		chunks = await yieldAfterChunk(chunks, 3, sleep);
+		expect(chunks).toBe(1);
+		chunks = await yieldAfterChunk(chunks, 3, sleep);
+		expect(chunks).toBe(2);
+		chunks = await yieldAfterChunk(chunks, 3, sleep);
+		expect(chunks).toBe(0);
+		expect(yieldCalls).toBe(1);
+	});
+});