feat(agent): refresh assistant model catalog

tests/unit/agent-models-route.test.ts

@@ -0,0 +1,17 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+
+describe("GET /api/agent/models", () => {
+  it("is dynamic and returns no-store responses", async () => {
+    process.env.DATABASE_URL ??= "postgres://famapp:famapp@localhost:5432/famapp";
+
+    const { GET, dynamic } = await import("../../src/app/api/agent/models/route");
+
+    assert.equal(dynamic, "force-dynamic");
+
+    const response = await GET(new Request("http://localhost/api/agent/models?refresh=1"));
+
+    assert.equal(response.status, 401);
+    assert.equal(response.headers.get("Cache-Control"), "no-store");
+  });
+});