Add ModeTemplate with Svelte 5 frontend and components

- Create reusable components: auth, api-client, shared-types
- ModeTemplate with Hono backend and SvelteKit frontend
- Auth store refactored to class-based Svelte 5 pattern
- SSR-safe hydrate() pattern for localStorage access
- Frontend builds successfully with Svelte 5 runes

ModeTemplate/frontend/.svelte-kit/output/server/chunks/utils2.js

@@ -0,0 +1,39 @@
+var is_array = Array.isArray;
+var index_of = Array.prototype.indexOf;
+var array_from = Array.from;
+var define_property = Object.defineProperty;
+var get_descriptor = Object.getOwnPropertyDescriptor;
+var object_prototype = Object.prototype;
+var array_prototype = Array.prototype;
+var get_prototype_of = Object.getPrototypeOf;
+var is_extensible = Object.isExtensible;
+const noop = () => {
+};
+function run_all(arr) {
+  for (var i = 0; i < arr.length; i++) {
+    arr[i]();
+  }
+}
+function deferred() {
+  var resolve;
+  var reject;
+  var promise = new Promise((res, rej) => {
+    resolve = res;
+    reject = rej;
+  });
+  return { promise, resolve, reject };
+}
+export {
+  array_prototype as a,
+  get_prototype_of as b,
+  is_extensible as c,
+  deferred as d,
+  index_of as e,
+  define_property as f,
+  get_descriptor as g,
+  array_from as h,
+  is_array as i,
+  noop as n,
+  object_prototype as o,
+  run_all as r
+};