feat(frontend): add API client, layout, and routing

- Create Axios-based API client with sources, jobs, and dashboard endpoints
- Add responsive Layout component with navigation sidebar
- Set up React Router with Dashboard, Backups, and Settings routes
- Configure TanStack Query provider with default options
- Use lucide-react for navigation icons

frontend/node_modules/vitest/dist/vendor/base.Ybri3C14.js

@@ -0,0 +1,38 @@
+import { ModuleCacheMap } from 'vite-node/client';
+import { p as provideWorkerState } from './global.CkGT_TMy.js';
+import { g as getDefaultRequestStubs, s as startVitestExecutor } from './execute.fL3szUAI.js';
+
+let _viteNode;
+const moduleCache = new ModuleCacheMap();
+const mockMap = /* @__PURE__ */ new Map();
+async function startViteNode(options) {
+  if (_viteNode)
+    return _viteNode;
+  _viteNode = await startVitestExecutor(options);
+  return _viteNode;
+}
+async function runBaseTests(state) {
+  const { ctx } = state;
+  state.moduleCache = moduleCache;
+  state.mockMap = mockMap;
+  provideWorkerState(globalThis, state);
+  if (ctx.invalidates) {
+    ctx.invalidates.forEach((fsPath) => {
+      moduleCache.delete(fsPath);
+      moduleCache.delete(`mock:${fsPath}`);
+    });
+  }
+  ctx.files.forEach((i) => state.moduleCache.delete(i));
+  const [executor, { run }] = await Promise.all([
+    startViteNode({ state, requestStubs: getDefaultRequestStubs() }),
+    import('../chunks/runtime-runBaseTests.oAvMKtQC.js')
+  ]);
+  await run(
+    ctx.files,
+    ctx.config,
+    { environment: state.environment, options: ctx.environment.options },
+    executor
+  );
+}
+
+export { runBaseTests as r };