fix(ai): validate generated model data before builds

packages/ai/test/image-model-data.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+import { parseOpenRouterImageModels } from "../scripts/generate-image-models.ts";
+
+const validImageModel = {
+	id: "example/image-model",
+	name: "Example Image Model",
+	architecture: {
+		input_modalities: ["text", "image"],
+		output_modalities: ["image"],
+	},
+	pricing: {
+		prompt: "0.000001",
+		completion: "0.000002",
+	},
+};
+
+describe("OpenRouter image model parsing", () => {
+	it.each([{}, { data: [] }, { data: "invalid" }])("rejects a missing or empty strict catalog", (payload) => {
+		expect(() => parseOpenRouterImageModels(payload, true)).toThrow("missing or empty image model list");
+	});
+
+	it("rejects a strict catalog with no usable image models", () => {
+		expect(() =>
+			parseOpenRouterImageModels(
+				{
+					data: [
+						{
+							...validImageModel,
+							architecture: { input_modalities: ["text"], output_modalities: ["text"] },
+						},
+					],
+				},
+				true,
+			),
+		).toThrow("no usable image models");
+	});
+
+	it("parses a non-empty image model catalog", () => {
+		expect(parseOpenRouterImageModels({ data: [validImageModel] }, true)).toEqual([
+			expect.objectContaining({
+				id: "example/image-model",
+				input: ["text", "image"],
+				output: ["image"],
+			}),
+		]);
+	});
+});