fix(tests): remove structure assertions after RESPONSE_FORMAT cleanup

Author: jchris

prompts/tests/prompts.test.ts

@@ -1,5 +1,5 @@
 import { vi, describe, it, expect, beforeEach } from "vitest";
-import { makeBaseSystemPrompt, RESPONSE_FORMAT } from "@vibes.diy/prompts";
+import { makeBaseSystemPrompt } from "@vibes.diy/prompts";
 
 // We need to mock the module properly, not test the real implementation yet
 vi.mock("@vibes.diy/prompts", async () => {
@@ -11,12 +11,6 @@ vi.mock("@vibes.diy/prompts", async () => {
       demoData: true,
       model: "test-model",
     }),
-    RESPONSE_FORMAT: {
-      dependencies: {
-        format: '{dependencies: { "package-name": "version" }}',
-        note: "use-fireproof is already provided, do not include it",
-      },
-    },
   };
 });
 
@@ -49,19 +43,6 @@ describe("Prompts Utility", () => {
     expect(result.systemPrompt).toBe("mocked system prompt");
   });
 
-  it("defines the correct response format", () => {
-    // Check that RESPONSE_FORMAT has the expected structure
-    expect(RESPONSE_FORMAT).toHaveProperty("structure");
-
-    // Check that structure is an array
-    expect(Array.isArray(RESPONSE_FORMAT.structure)).toBe(true);
-    expect(RESPONSE_FORMAT.structure.length).toBeGreaterThan(0);
-    expect(RESPONSE_FORMAT.structure).toContain("Brief explanation");
-    expect(RESPONSE_FORMAT.structure).toContain(
-      "Component code with proper Fireproof integration",
-    );
-  });
-
   it("handles fetch errors gracefully", async () => {
     // Mock implementation to throw an error
     const mockImplementation = vi.fn().mockImplementation(() => {