Fix model test routing for image providers

tests/unit/hf-model-routing.test.js

@@ -0,0 +1,12 @@
+import { describe, it, expect } from "vitest";
+import { parseModel } from "../../open-sse/services/model.js";
+
+describe("HuggingFace model alias parsing", () => {
+  it("resolves hf alias to huggingface provider", () => {
+    expect(parseModel("hf/black-forest-labs/FLUX.1-schnell")).toMatchObject({
+      provider: "huggingface",
+      model: "black-forest-labs/FLUX.1-schnell",
+      providerAlias: "hf",
+    });
+  });
+});