feat: migrate to DSH 0.1.5-rc.2 with TypeScript refactor, official slot footer and codex selector

tests/index.test.ts

@@ -0,0 +1,20 @@
+import { describe, it, expect, vi } from 'vitest';
+import { apply } from '../src/index';
+
+describe('Host plugin', () => {
+  it('registers models dev exact proxy route', () => {
+    const registerMock = vi.fn();
+    const mockCtx = {
+      effect: (fn: any) => fn(),
+      webServer: {
+        register: registerMock,
+      },
+    };
+
+    apply(mockCtx as any);
+    expect(registerMock).toHaveBeenCalled();
+    const callArg = registerMock.mock.calls[0][0];
+    expect(callArg.path).toBe('/api/models-dev/models');
+    expect(callArg.kind).toBe('exact');
+  });
+});