feat: Reinitialize frontend with SvelteKit and TypeScript

- Delete old Vite+Svelte frontend
- Initialize new SvelteKit project with TypeScript
- Configure Tailwind CSS v4 + DaisyUI
- Implement JWT authentication with auto-refresh
- Create login page with form validation (Zod)
- Add protected route guards
- Update Docker configuration for single-stage build
- Add E2E tests with Playwright (6/11 passing)
- Fix Svelte 5 reactivity with $state() runes

Known issues:
- 5 E2E tests failing (timing/async issues)
- Token refresh implementation needs debugging
- Validation error display timing

frontend/node_modules/happy-dom/lib/nodes/child-node/ChildNodeUtility.d.ts

@@ -0,0 +1,35 @@
+import Node from '../node/Node.js';
+import IChildNode from './IChildNode.js';
+/**
+ * Child node utility.
+ */
+export default class ChildNodeUtility {
+    /**
+     * Removes the node from its parent.
+     *
+     * @param childNode Child node.
+     */
+    static remove(childNode: IChildNode): void;
+    /**
+     * The Node.replaceWith() method replaces this Node in the children list of its parent with a set of Node or DOMString objects.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static replaceWith(childNode: IChildNode, ...nodes: (Node | string)[]): void;
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just before this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static before(childNode: IChildNode, ...nodes: (string | Node)[]): void;
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just after this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static after(childNode: IChildNode, ...nodes: (string | Node)[]): void;
+}
+//# sourceMappingURL=ChildNodeUtility.d.ts.map

frontend/node_modules/happy-dom/lib/nodes/child-node/ChildNodeUtility.d.ts.map

@@ -0,0 +1 @@
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frontend/node_modules/happy-dom/lib/nodes/child-node/ChildNodeUtility.js

@@ -0,0 +1,84 @@
+import DOMException from '../../exception/DOMException.js';
+import * as PropertySymbol from '../../PropertySymbol.js';
+import Node from '../node/Node.js';
+/**
+ * Child node utility.
+ */
+export default class ChildNodeUtility {
+    /**
+     * Removes the node from its parent.
+     *
+     * @param childNode Child node.
+     */
+    static remove(childNode) {
+        if (childNode[PropertySymbol.parentNode]) {
+            childNode[PropertySymbol.parentNode].removeChild(childNode);
+        }
+    }
+    /**
+     * The Node.replaceWith() method replaces this Node in the children list of its parent with a set of Node or DOMString objects.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static replaceWith(childNode, ...nodes) {
+        const parent = childNode[PropertySymbol.parentNode];
+        if (!parent) {
+            throw new DOMException('This element has no parent node.');
+        }
+        for (const node of nodes) {
+            if (node instanceof Node) {
+                parent.insertBefore(node, childNode);
+            }
+            else {
+                parent.insertBefore(parent[PropertySymbol.ownerDocument].createTextNode(String(node)), childNode);
+            }
+        }
+        parent.removeChild(childNode);
+    }
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just before this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static before(childNode, ...nodes) {
+        const parent = childNode[PropertySymbol.parentNode];
+        if (!parent) {
+            return;
+        }
+        for (const node of nodes) {
+            if (node instanceof Node) {
+                parent.insertBefore(node, childNode);
+            }
+            else {
+                parent.insertBefore(parent[PropertySymbol.ownerDocument].createTextNode(String(node)), childNode);
+            }
+        }
+    }
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just after this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param childNode Child node.
+     * @param nodes List of Node or DOMString.
+     */
+    static after(childNode, ...nodes) {
+        const parent = childNode[PropertySymbol.parentNode];
+        if (!parent) {
+            return;
+        }
+        const nextSibling = childNode.nextSibling;
+        for (const node of nodes) {
+            const insertedNode = node instanceof Node
+                ? node
+                : parent[PropertySymbol.ownerDocument].createTextNode(String(node));
+            if (!nextSibling) {
+                parent.appendChild(insertedNode);
+            }
+            else {
+                parent.insertBefore(insertedNode, nextSibling);
+            }
+        }
+    }
+}
+//# sourceMappingURL=ChildNodeUtility.js.map

frontend/node_modules/happy-dom/lib/nodes/child-node/ChildNodeUtility.js.map

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frontend/node_modules/happy-dom/lib/nodes/child-node/IChildNode.d.ts

@@ -0,0 +1,26 @@
+import Node from '../node/Node.js';
+export default interface IChildNode extends Node {
+    /**
+     * Removes the node from its parent.
+     */
+    remove(): void;
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just before this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param nodes List of Node or DOMString.
+     */
+    before(...nodes: (Node | string)[]): void;
+    /**
+     * Inserts a set of Node or DOMString objects in the children list of this ChildNode's parent, just after this ChildNode. DOMString objects are inserted as equivalent Text nodes.
+     *
+     * @param nodes List of Node or DOMString.
+     */
+    after(...nodes: (Node | string)[]): void;
+    /**
+     * The Node.replaceWith() method replaces this Node in the children list of its parent with a set of Node or DOMString objects.
+     *
+     * @param nodes List of Node or DOMString.
+     */
+    replaceWith(...nodes: (Node | string)[]): void;
+}
+//# sourceMappingURL=IChildNode.d.ts.map

frontend/node_modules/happy-dom/lib/nodes/child-node/IChildNode.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"IChildNode.d.ts","sourceRoot":"","sources":["../../../src/nodes/child-node/IChildNode.ts"],"names":[],"mappings":"AAAA,OAAO,IAAI,MAAM,iBAAiB,CAAC;AAEnC,MAAM,CAAC,OAAO,WAAW,UAAW,SAAQ,IAAI;IAC/C;;OAEG;IACH,MAAM,IAAI,IAAI,CAAC;IAEf;;;;OAIG;IACH,MAAM,CAAC,GAAG,KAAK,EAAE,CAAC,IAAI,GAAG,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC;IAE1C;;;;OAIG;IACH,KAAK,CAAC,GAAG,KAAK,EAAE,CAAC,IAAI,GAAG,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC;IAEzC;;;;OAIG;IACH,WAAW,CAAC,GAAG,KAAK,EAAE,CAAC,IAAI,GAAG,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC;CAC/C"}

frontend/node_modules/happy-dom/lib/nodes/child-node/IChildNode.js

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=IChildNode.js.map

frontend/node_modules/happy-dom/lib/nodes/child-node/IChildNode.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"IChildNode.js","sourceRoot":"","sources":["../../../src/nodes/child-node/IChildNode.ts"],"names":[],"mappings":""}

frontend/node_modules/happy-dom/lib/nodes/child-node/INonDocumentTypeChildNode.d.ts

@@ -0,0 +1,7 @@
+import Element from '../element/Element.js';
+import Node from '../node/Node.js';
+export default interface INonDocumentTypeChildNode extends Node {
+    readonly previousElementSibling: Element;
+    readonly nextElementSibling: Element;
+}
+//# sourceMappingURL=INonDocumentTypeChildNode.d.ts.map

frontend/node_modules/happy-dom/lib/nodes/child-node/INonDocumentTypeChildNode.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"INonDocumentTypeChildNode.d.ts","sourceRoot":"","sources":["../../../src/nodes/child-node/INonDocumentTypeChildNode.ts"],"names":[],"mappings":"AAAA,OAAO,OAAO,MAAM,uBAAuB,CAAC;AAC5C,OAAO,IAAI,MAAM,iBAAiB,CAAC;AAEnC,MAAM,CAAC,OAAO,WAAW,yBAA0B,SAAQ,IAAI;IAC9D,QAAQ,CAAC,sBAAsB,EAAE,OAAO,CAAC;IACzC,QAAQ,CAAC,kBAAkB,EAAE,OAAO,CAAC;CACrC"}

frontend/node_modules/happy-dom/lib/nodes/child-node/INonDocumentTypeChildNode.js

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=INonDocumentTypeChildNode.js.map

frontend/node_modules/happy-dom/lib/nodes/child-node/INonDocumentTypeChildNode.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"INonDocumentTypeChildNode.js","sourceRoot":"","sources":["../../../src/nodes/child-node/INonDocumentTypeChildNode.ts"],"names":[],"mappings":""}

frontend/node_modules/happy-dom/lib/nodes/child-node/NonDocumentChildNodeUtility.d.ts

@@ -0,0 +1,22 @@
+import Element from '../element/Element.js';
+import INonDocumentTypeChildNode from './INonDocumentTypeChildNode.js';
+/**
+ * Non Document Child node utility.
+ */
+export default class NonDocumentChildNodeUtility {
+    /**
+     * Previous element sibling.
+     *
+     * @param childNode Child node.
+     * @returns Element.
+     */
+    static previousElementSibling(childNode: INonDocumentTypeChildNode): Element;
+    /**
+     * Next element sibling.
+     *
+     * @param childNode Child node.
+     * @returns Element.
+     */
+    static nextElementSibling(childNode: INonDocumentTypeChildNode): Element;
+}
+//# sourceMappingURL=NonDocumentChildNodeUtility.d.ts.map

frontend/node_modules/happy-dom/lib/nodes/child-node/NonDocumentChildNodeUtility.d.ts.map

@@ -0,0 +1 @@
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frontend/node_modules/happy-dom/lib/nodes/child-node/NonDocumentChildNodeUtility.js

@@ -0,0 +1,34 @@
+import NodeTypeEnum from '../node/NodeTypeEnum.js';
+import * as PropertySymbol from '../../PropertySymbol.js';
+/**
+ * Non Document Child node utility.
+ */
+export default class NonDocumentChildNodeUtility {
+    /**
+     * Previous element sibling.
+     *
+     * @param childNode Child node.
+     * @returns Element.
+     */
+    static previousElementSibling(childNode) {
+        let sibling = childNode.previousSibling;
+        while (sibling && sibling[PropertySymbol.nodeType] !== NodeTypeEnum.elementNode) {
+            sibling = sibling.previousSibling;
+        }
+        return sibling;
+    }
+    /**
+     * Next element sibling.
+     *
+     * @param childNode Child node.
+     * @returns Element.
+     */
+    static nextElementSibling(childNode) {
+        let sibling = childNode.nextSibling;
+        while (sibling && sibling[PropertySymbol.nodeType] !== NodeTypeEnum.elementNode) {
+            sibling = sibling.nextSibling;
+        }
+        return sibling;
+    }
+}
+//# sourceMappingURL=NonDocumentChildNodeUtility.js.map

frontend/node_modules/happy-dom/lib/nodes/child-node/NonDocumentChildNodeUtility.js.map

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