feat(web): /api/floor pause/resume/clear/stop controls

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

web/src/app/api/floor/route.ts

@@ -0,0 +1,49 @@
+import { prisma } from "@/lib/db";
+
+async function getFlag(key: string): Promise<boolean> {
+  const row = await prisma.config.findUnique({ where: { key } });
+  return row?.value === "true";
+}
+
+async function setFlag(key: string, value: boolean): Promise<void> {
+  const v = value ? "true" : "false";
+  await prisma.config.upsert({
+    where: { key },
+    create: { key, value: v, secret: false },
+    update: { value: v },
+  });
+}
+
+export async function GET() {
+  return Response.json({ paused: await getFlag("floor.paused") });
+}
+
+export async function POST(request: Request) {
+  let body: { action?: string };
+  try {
+    body = (await request.json()) as { action?: string };
+  } catch {
+    return Response.json({ error: "invalid JSON" }, { status: 400 });
+  }
+
+  switch (body.action) {
+    case "pause":
+      await setFlag("floor.paused", true);
+      return Response.json({ ok: true, paused: true });
+    case "resume":
+      await setFlag("floor.paused", false);
+      return Response.json({ ok: true, paused: false });
+    case "stop":
+      await setFlag("floor.paused", true);
+      await setFlag("floor.killRequested", true);
+      return Response.json({ ok: true, paused: true, stopped: true });
+    case "clear": {
+      const { count } = await prisma.request.deleteMany({
+        where: { job: { is: { state: "requested" } } },
+      });
+      return Response.json({ ok: true, cleared: count });
+    }
+    default:
+      return Response.json({ error: "unknown action" }, { status: 400 });
+  }
+}