Complete Enhanced Triple Migration Pattern for contact components

- Migrate ContactBulkActions, ContactInputForm, ContactListHeader, ContactListItem, LargeIdenticonModal, and ContactsView to PlatformServiceMixin
- Add comprehensive deep linking support to CapacitorPlatformService and WebPlatformService
- Enhance PlatformService with new database operations and deep link handling
- Update service worker and documentation for migration progress
- Fix TypeScript type errors in util.ts and deepLinks.ts
- Streamline circular dependency analysis and migration tracking docs

src/services/PlatformService.ts

@@ -155,6 +155,49 @@ export interface PlatformService {
    */
   dbGetOneRow(sql: string, params?: unknown[]): Promise<unknown[] | undefined>;
 
+  // Database utility methods
+  /**
+   * Generates an INSERT SQL statement for a given model and table.
+   * @param model - The model object containing the data to insert
+   * @param tableName - The name of the table to insert into
+   * @returns Object containing the SQL statement and parameters
+   */
+  generateInsertStatement(
+    model: Record<string, unknown>,
+    tableName: string,
+  ): { sql: string; params: unknown[] };
+
+  /**
+   * Updates default settings in the database.
+   * @param settings - The settings object to update
+   * @returns Promise that resolves when the update is complete
+   */
+  updateDefaultSettings(settings: Record<string, unknown>): Promise<void>;
+
+  /**
+   * Inserts DID-specific settings into the database.
+   * @param did - The DID to associate with the settings
+   * @returns Promise that resolves when the insertion is complete
+   */
+  insertDidSpecificSettings(did: string): Promise<void>;
+
+  /**
+   * Updates DID-specific settings in the database.
+   * @param did - The DID to update settings for
+   * @param settings - The settings object to update
+   * @returns Promise that resolves when the update is complete
+   */
+  updateDidSpecificSettings(
+    did: string,
+    settings: Record<string, unknown>,
+  ): Promise<void>;
+
+  /**
+   * Retrieves settings for the active account.
+   * @returns Promise resolving to the settings object
+   */
+  retrieveSettingsForActiveAccount(): Promise<Record<string, unknown> | null>;
+
   // --- PWA/Web-only methods (optional, only implemented on web) ---
   /**
    * Registers the service worker for PWA support (web only)