fix: Correct $lib/core/... references

Author: webJose

AGENTS.md

@@ -601,7 +601,7 @@ This pattern provides:
 import { init, type Hash } from "$lib/index.js";
 import { describe, test, expect, beforeAll, afterAll, beforeEach } from "vitest";
 import { render } from "@testing-library/svelte";
-import { RouterEngine } from "$lib/core/RouterEngine.svelte.js";
+import { RouterEngine } from "$lib/kernel/RouterEngine.svelte.js";
 import { getRouterContextKey } from "../Router/Router.svelte";
 import { createRawSnippet } from "svelte";
 import { flushSync } from "svelte"; // For Svelte 5 reactivity testing

src/lib/Router/Router.svelte

@@ -1,6 +1,6 @@
 <script lang="ts" module>
-	import { RouterEngine } from '$lib/core/RouterEngine.svelte.js';
-	import { resolveHashValue } from '$lib/core/resolveHashValue.js';
+	import { RouterEngine } from '$lib/kernel/RouterEngine.svelte.js';
+	import { resolveHashValue } from '$lib/kernel/resolveHashValue.js';
 	import type { Hash, RouteStatus } from '$lib/types.js';
 
 	const parentCtxKey = Symbol();