feat(web): inter-job download delay setting (Settings → Monitor)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web/src/app/api/monitor/config/route.test.ts

@@ -34,3 +34,23 @@ describe("monitor config API", () => {
     expect(await prisma.config.count()).toBe(before);
   });
 });
+
+describe("monitor config — floor.jobDelaySeconds", () => {
+  it("defaults jobDelaySeconds to 0 and round-trips a new value", async () => {
+    const before = await (await GET()).json();
+    expect(before["floor.jobDelaySeconds"]).toBe("0");
+
+    await PATCH(
+      new Request("http://localhost/api/monitor/config", {
+        method: "PATCH",
+        headers: { "content-type": "application/json" },
+        body: JSON.stringify({ "floor.jobDelaySeconds": "45" }),
+      }),
+    );
+
+    const stored = await prisma.config.findUnique({ where: { key: "floor.jobDelaySeconds" } });
+    expect(stored?.value).toBe("45");
+    const after = await (await GET()).json();
+    expect(after["floor.jobDelaySeconds"]).toBe("45");
+  });
+});

web/src/app/api/monitor/config/route.ts

@@ -6,6 +6,7 @@ const DEFAULTS: Record<string, string> = {
   "monitor.retryIntervalHours": "6",
   "monitor.qualityCutoff": "2",
   "monitor.upgradeWindowDays": "14",
+  "floor.jobDelaySeconds": "0",
 };
 
 export async function GET() {

web/src/app/settings/settings-form.tsx

@@ -31,6 +31,7 @@ const MONITOR_FIELDS: [string, string][] = [
   ["monitor.retryIntervalHours", "Retry interval (hours)"],
   ["monitor.qualityCutoff", "Quality cutoff"],
   ["monitor.upgradeWindowDays", "Upgrade window (days)"],
+  ["floor.jobDelaySeconds", "Delay between downloads (seconds)"],
 ];
 
 export function SettingsForm() {