Remove CharacterComponent and CharacterDetail components

- Deleted `CharacterComponent` and `CharacterDetail` files from the project.
- Refactored related logic to improve code maintainability and reduce redundancy.

electron/database/models/RemovedItem.ts

@@ -0,0 +1,41 @@
+import System from '../System.js';
+import RemovedItemsRepository from '../repositories/removed-items.repository.js';
+
+/**
+ * Model class for tracking deleted items for sync purposes.
+ * Provides the main entry point for recording deletions.
+ */
+export default class RemovedItem {
+    /**
+     * Records a deleted item for sync tracking.
+     * Must be called BEFORE the actual deletion from the source table.
+     *
+     * @param userId - The unique identifier of the user.
+     * @param bookId - The book ID (null for series items).
+     * @param tableName - The name of the table from which the item is deleted.
+     * @param entityId - The UUID of the deleted entity.
+     * @param deletedAt - The timestamp of deletion (from UI via System.timeStampInSeconds()).
+     * @param lang - The language for error messages ('fr' or 'en'). Defaults to 'fr'.
+     * @returns True if the record was inserted successfully.
+     */
+    public static deleteTracker(
+        userId: string,
+        bookId: string | null,
+        tableName: string,
+        entityId: string,
+        deletedAt: number,
+        lang: 'fr' | 'en' = 'fr'
+    ): boolean {
+        const removalId: string = System.createUniqueId();
+
+        return RemovedItemsRepository.insert(
+            removalId,
+            tableName,
+            entityId,
+            bookId,
+            userId,
+            deletedAt,
+            lang
+        );
+    }
+}