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/form-data/FormData.d.ts

@@ -0,0 +1,94 @@
+import Blob from '../file/Blob.js';
+import * as PropertySymbol from '../PropertySymbol.js';
+import File from '../file/File.js';
+import HTMLFormElement from '../nodes/html-form-element/HTMLFormElement.js';
+import BrowserWindow from '../window/BrowserWindow.js';
+/**
+ * FormData.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/FormData
+ */
+export default class FormData implements Iterable<[string, string | File]> {
+    #private;
+    protected [PropertySymbol.window]: BrowserWindow;
+    /**
+     * Constructor.
+     *
+     * @param [form] Form.
+     */
+    constructor(form?: HTMLFormElement);
+    /**
+     * For each.
+     *
+     * @param callback Callback.
+     */
+    forEach(callback: (value: string | File, key: string, thisArg: FormData) => void): void;
+    /**
+     * Appends a new value onto an existing key.
+     *
+     * @param name Name.
+     * @param value Value.
+     * @param [filename] Filename.
+     */
+    append(name: string, value: string | Blob | File, filename?: string): void;
+    /**
+     * Removes a value.
+     *
+     * @param name Name.
+     */
+    delete(name: string): void;
+    /**
+     * Returns value.
+     *
+     * @param name Name.
+     * @returns Value.
+     */
+    get(name: string): string | File | null;
+    /**
+     * Returns all values associated with the given name.
+     *
+     * @param name Name.
+     * @returns Values.
+     */
+    getAll(name: string): Array<string | File>;
+    /**
+     * Returns whether a FormData object contains a certain key.
+     *
+     * @param name Name.
+     * @returns "true" if the FormData object contains the key.
+     */
+    has(name: string): boolean;
+    /**
+     * Sets a new value for an existing key inside a FormData object, or adds the key/value if it does not already exist.
+     *
+     * @param name Name.
+     * @param value Value.
+     * @param [filename] Filename.
+     */
+    set(name: string, value: string | Blob | File, filename?: string): void;
+    /**
+     * Returns an iterator, allowing you to go through all keys of the key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    keys(): IterableIterator<string>;
+    /**
+     * Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    values(): IterableIterator<string | File>;
+    /**
+     * Returns an iterator, allowing you to go through all key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    entries(): IterableIterator<[string, string | File]>;
+    /**
+     * Iterator.
+     *
+     * @returns Iterator.
+     */
+    [Symbol.iterator](): IterableIterator<[string, string | File]>;
+}
+//# sourceMappingURL=FormData.d.ts.map

frontend/node_modules/happy-dom/lib/form-data/FormData.d.ts.map

@@ -0,0 +1 @@
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frontend/node_modules/happy-dom/lib/form-data/FormData.js

@@ -0,0 +1,234 @@
+import Blob from '../file/Blob.js';
+import * as PropertySymbol from '../PropertySymbol.js';
+import File from '../file/File.js';
+/**
+ * FormData.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/FormData
+ */
+export default class FormData {
+    #entries = [];
+    /**
+     * Constructor.
+     *
+     * @param [form] Form.
+     */
+    constructor(form) {
+        if (!form) {
+            return;
+        }
+        const items = form[PropertySymbol.getFormControlItems]();
+        for (const item of items) {
+            const name = item.name;
+            if (name) {
+                switch (item[PropertySymbol.tagName]) {
+                    case 'INPUT':
+                        if (item.disabled) {
+                            break;
+                        }
+                        switch (item.type) {
+                            case 'file':
+                                if (item[PropertySymbol.files].length === 0) {
+                                    this.append(name, new File([], '', { type: 'application/octet-stream' }));
+                                }
+                                else {
+                                    for (const file of item[PropertySymbol.files]) {
+                                        this.append(name, file);
+                                    }
+                                }
+                                break;
+                            case 'checkbox':
+                            case 'radio':
+                                if (item.checked) {
+                                    this.append(name, item.value);
+                                }
+                                break;
+                            case 'submit':
+                            case 'reset':
+                            case 'button':
+                                if (item.value) {
+                                    this.append(name, item.value);
+                                }
+                                break;
+                            default:
+                                this.append(name, item.value);
+                                break;
+                        }
+                        break;
+                    case 'BUTTON':
+                        if (item.value) {
+                            this.append(name, item.value);
+                        }
+                        break;
+                    case 'TEXTAREA':
+                    case 'SELECT':
+                        this.append(name, item.value);
+                        break;
+                }
+            }
+        }
+    }
+    /**
+     * For each.
+     *
+     * @param callback Callback.
+     */
+    forEach(callback) {
+        for (const entry of this.#entries) {
+            callback.call(this, entry.value, entry.name, this);
+        }
+    }
+    /**
+     * Appends a new value onto an existing key.
+     *
+     * @param name Name.
+     * @param value Value.
+     * @param [filename] Filename.
+     */
+    append(name, value, filename) {
+        if (filename && !(value instanceof Blob)) {
+            throw new this[PropertySymbol.window].TypeError('Failed to execute "append" on "FormData": parameter 2 is not of type "Blob".');
+        }
+        this.#entries.push({
+            name,
+            value: this.#parseValue(value, filename)
+        });
+    }
+    /**
+     * Removes a value.
+     *
+     * @param name Name.
+     */
+    delete(name) {
+        const newEntries = [];
+        for (const entry of this.#entries) {
+            if (entry.name !== name) {
+                newEntries.push(entry);
+            }
+        }
+        this.#entries = newEntries;
+    }
+    /**
+     * Returns value.
+     *
+     * @param name Name.
+     * @returns Value.
+     */
+    get(name) {
+        for (const entry of this.#entries) {
+            if (entry.name === name) {
+                return entry.value;
+            }
+        }
+        return null;
+    }
+    /**
+     * Returns all values associated with the given name.
+     *
+     * @param name Name.
+     * @returns Values.
+     */
+    getAll(name) {
+        const values = [];
+        for (const entry of this.#entries) {
+            if (entry.name === name) {
+                values.push(entry.value);
+            }
+        }
+        return values;
+    }
+    /**
+     * Returns whether a FormData object contains a certain key.
+     *
+     * @param name Name.
+     * @returns "true" if the FormData object contains the key.
+     */
+    has(name) {
+        for (const entry of this.#entries) {
+            if (entry.name === name) {
+                return true;
+            }
+        }
+        return false;
+    }
+    /**
+     * Sets a new value for an existing key inside a FormData object, or adds the key/value if it does not already exist.
+     *
+     * @param name Name.
+     * @param value Value.
+     * @param [filename] Filename.
+     */
+    set(name, value, filename) {
+        for (const entry of this.#entries) {
+            if (entry.name === name) {
+                entry.value = this.#parseValue(value, filename);
+                return;
+            }
+        }
+        this.append(name, value);
+    }
+    /**
+     * Returns an iterator, allowing you to go through all keys of the key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    *keys() {
+        for (const entry of this.#entries) {
+            yield entry.name;
+        }
+    }
+    /**
+     * Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    *values() {
+        for (const entry of this.#entries) {
+            yield entry.value;
+        }
+    }
+    /**
+     * Returns an iterator, allowing you to go through all key/value pairs contained in this object.
+     *
+     * @returns Iterator.
+     */
+    *entries() {
+        for (const entry of this.#entries) {
+            yield [entry.name, entry.value];
+        }
+    }
+    /**
+     * Iterator.
+     *
+     * @returns Iterator.
+     */
+    *[Symbol.iterator]() {
+        for (const entry of this.#entries) {
+            yield [entry.name, entry.value];
+        }
+    }
+    /**
+     * Parses a value.
+     *
+     * @param value Value.
+     * @param [filename] Filename.
+     * @returns Parsed value.
+     */
+    #parseValue(value, filename) {
+        if (value instanceof File) {
+            if (filename) {
+                const file = new File([], filename, { type: value.type, lastModified: value.lastModified });
+                file[PropertySymbol.buffer] = value[PropertySymbol.buffer];
+                return file;
+            }
+            return value;
+        }
+        if (value instanceof Blob) {
+            const file = new File([], 'blob', { type: value.type });
+            file[PropertySymbol.buffer] = value[PropertySymbol.buffer];
+            return file;
+        }
+        return String(value);
+    }
+}
+//# sourceMappingURL=FormData.js.map

frontend/node_modules/happy-dom/lib/form-data/FormData.js.map

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