Refactors calendar project structure and build configuration

Consolidates V2 codebase into main project directory
Updates build script to support simplified entry points
Removes redundant files and cleans up project organization

Simplifies module imports and entry points for calendar application

src/storage/IEntityService.ts

@@ -1,70 +1,40 @@
-import { ISync, EntityType, SyncStatus } from '../types/CalendarTypes';
-
-/**
- * IEntityService<T> - Generic interface for entity services with sync capabilities
- *
- * All entity services (Event, Booking, Customer, Resource) implement this interface
- * to enable polymorphic operations across different entity types.
- *
- * ENCAPSULATION: Services encapsulate sync status manipulation.
- * SyncManager does NOT directly manipulate entity.syncStatus - it delegates to the service.
- *
- * POLYMORPHISM: Both SyncManager and DataSeeder work with Array<IEntityService<any>>
- * and use entityType property for runtime routing, avoiding switch statements.
- */
-export interface IEntityService<T extends ISync> {
-  /**
-   * Entity type discriminator for runtime routing
-   * Must match EntityType values: 'Event', 'Booking', 'Customer', 'Resource'
-   */
-  readonly entityType: EntityType;
-
-  // ============================================================================
-  // CRUD Operations (used by DataSeeder and other consumers)
-  // ============================================================================
-
-  /**
-   * Get all entities from IndexedDB
-   * Used by DataSeeder to check if store is empty before seeding
-   *
-   * @returns Promise<T[]> - Array of all entities
-   */
-  getAll(): Promise<T[]>;
-
-  /**
-   * Save an entity (create or update) to IndexedDB
-   * Used by DataSeeder to persist fetched data
-   *
-   * @param entity - Entity to save
-   */
-  save(entity: T): Promise<void>;
-
-  // ============================================================================
-  // SYNC Methods (used by SyncManager)
-  // ============================================================================
-
-  /**
-   * Mark entity as successfully synced with backend
-   * Sets syncStatus = 'synced' and persists to IndexedDB
-   *
-   * @param id - Entity ID
-   */
-  markAsSynced(id: string): Promise<void>;
-
-  /**
-   * Mark entity as sync error (max retries exceeded)
-   * Sets syncStatus = 'error' and persists to IndexedDB
-   *
-   * @param id - Entity ID
-   */
-  markAsError(id: string): Promise<void>;
-
-  /**
-   * Get current sync status for an entity
-   * Used by SyncManager to check entity state
-   *
-   * @param id - Entity ID
-   * @returns SyncStatus or null if entity not found
-   */
-  getSyncStatus(id: string): Promise<SyncStatus | null>;
-}
+import { ISync, EntityType, SyncStatus } from '../types/CalendarTypes';
+
+/**
+ * IEntityService<T> - Generic interface for entity services with sync capabilities
+ *
+ * All entity services implement this interface to enable polymorphic operations.
+ */
+export interface IEntityService<T extends ISync> {
+  /**
+   * Entity type discriminator for runtime routing
+   */
+  readonly entityType: EntityType;
+
+  /**
+   * Get all entities from IndexedDB
+   */
+  getAll(): Promise<T[]>;
+
+  /**
+   * Save an entity (create or update) to IndexedDB
+   * @param entity - Entity to save
+   * @param silent - If true, skip event emission (used for seeding)
+   */
+  save(entity: T, silent?: boolean): Promise<void>;
+
+  /**
+   * Mark entity as successfully synced
+   */
+  markAsSynced(id: string): Promise<void>;
+
+  /**
+   * Mark entity as sync error
+   */
+  markAsError(id: string): Promise<void>;
+
+  /**
+   * Get current sync status for an entity
+   */
+  getSyncStatus(id: string): Promise<SyncStatus | null>;
+}