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/svg-use-element/SVGUseElement.d.ts

@@ -0,0 +1,47 @@
+import * as PropertySymbol from '../../PropertySymbol.js';
+import SVGAnimatedLength from '../../svg/SVGAnimatedLength.js';
+import SVGAnimatedString from '../../svg/SVGAnimatedString.js';
+import SVGGraphicsElement from '../svg-graphics-element/SVGGraphicsElement.js';
+/**
+ * SVG Use Element.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/SVGUseElement
+ */
+export default class SVGUseElement extends SVGGraphicsElement {
+    [PropertySymbol.href]: SVGAnimatedString | null;
+    [PropertySymbol.x]: SVGAnimatedLength | null;
+    [PropertySymbol.y]: SVGAnimatedLength | null;
+    [PropertySymbol.width]: SVGAnimatedLength | null;
+    [PropertySymbol.height]: SVGAnimatedLength | null;
+    /**
+     * Returns href.
+     *
+     * @returns Href.
+     */
+    get href(): SVGAnimatedString;
+    /**
+     * Returns x position.
+     *
+     * @returns X position.
+     */
+    get x(): SVGAnimatedLength;
+    /**
+     * Returns y position.
+     *
+     * @returns Y position.
+     */
+    get y(): SVGAnimatedLength;
+    /**
+     * Returns width.
+     *
+     * @returns Width.
+     */
+    get width(): SVGAnimatedLength;
+    /**
+     * Returns height.
+     *
+     * @returns Height.
+     */
+    get height(): SVGAnimatedLength;
+}
+//# sourceMappingURL=SVGUseElement.d.ts.map

frontend/node_modules/happy-dom/lib/nodes/svg-use-element/SVGUseElement.d.ts.map

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frontend/node_modules/happy-dom/lib/nodes/svg-use-element/SVGUseElement.js

@@ -0,0 +1,88 @@
+import * as PropertySymbol from '../../PropertySymbol.js';
+import SVGAnimatedLength from '../../svg/SVGAnimatedLength.js';
+import SVGAnimatedString from '../../svg/SVGAnimatedString.js';
+import SVGGraphicsElement from '../svg-graphics-element/SVGGraphicsElement.js';
+/**
+ * SVG Use Element.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/SVGUseElement
+ */
+export default class SVGUseElement extends SVGGraphicsElement {
+    // Internal properties
+    [PropertySymbol.href] = null;
+    [PropertySymbol.x] = null;
+    [PropertySymbol.y] = null;
+    [PropertySymbol.width] = null;
+    [PropertySymbol.height] = null;
+    /**
+     * Returns href.
+     *
+     * @returns Href.
+     */
+    get href() {
+        if (!this[PropertySymbol.href]) {
+            this[PropertySymbol.href] = new SVGAnimatedString(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
+                getAttribute: () => this.getAttribute('href'),
+                setAttribute: (value) => this.setAttribute('href', value)
+            });
+        }
+        return this[PropertySymbol.href];
+    }
+    /**
+     * Returns x position.
+     *
+     * @returns X position.
+     */
+    get x() {
+        if (!this[PropertySymbol.x]) {
+            this[PropertySymbol.x] = new SVGAnimatedLength(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
+                getAttribute: () => this.getAttribute('x'),
+                setAttribute: (value) => this.setAttribute('x', value)
+            });
+        }
+        return this[PropertySymbol.x];
+    }
+    /**
+     * Returns y position.
+     *
+     * @returns Y position.
+     */
+    get y() {
+        if (!this[PropertySymbol.y]) {
+            this[PropertySymbol.y] = new SVGAnimatedLength(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
+                getAttribute: () => this.getAttribute('y'),
+                setAttribute: (value) => this.setAttribute('y', value)
+            });
+        }
+        return this[PropertySymbol.y];
+    }
+    /**
+     * Returns width.
+     *
+     * @returns Width.
+     */
+    get width() {
+        if (!this[PropertySymbol.width]) {
+            this[PropertySymbol.width] = new SVGAnimatedLength(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
+                getAttribute: () => this.getAttribute('width'),
+                setAttribute: (value) => this.setAttribute('width', value)
+            });
+        }
+        return this[PropertySymbol.width];
+    }
+    /**
+     * Returns height.
+     *
+     * @returns Height.
+     */
+    get height() {
+        if (!this[PropertySymbol.height]) {
+            this[PropertySymbol.height] = new SVGAnimatedLength(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
+                getAttribute: () => this.getAttribute('height'),
+                setAttribute: (value) => this.setAttribute('height', value)
+            });
+        }
+        return this[PropertySymbol.height];
+    }
+}
+//# sourceMappingURL=SVGUseElement.js.map

frontend/node_modules/happy-dom/lib/nodes/svg-use-element/SVGUseElement.js.map

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