feat: add classification icons sync from Autotask

- Created company_classifications table to store Autotask classification icons
- Added getClassificationIcons() method to AutotaskClient
- Created /api/sync/classifications endpoint (GET/POST)
- Updated kiosk settings UI to dynamically load classifications
- Added 'Sync from Autotask' button to pull latest classifications
- Removed hardcoded classification list
- Display classification name and description in checkboxes
- Allow excluding any classification synced from Autotask

lib/services/autotask-client.ts

@@ -486,6 +486,30 @@ export class AutotaskClient {
   async deleteTimeEntry(id: number): Promise<void> {
     return this.deleteEntity('TimeEntries', id);
   }
+
+  // Classification Icons methods
+  async getClassificationIcons(): Promise<any[]> {
+    // Autotask API endpoint for classification icons
+    const url = `${this.config.apiUrl}/CompanyClassificationIcons`;
+    
+    const response = await this.makeApiCall<any>(url, {
+      method: 'GET',
+      headers: this.getAuthHeaders(),
+    });
+
+    return response.items || [];
+  }
+
+  async getFieldInfo(entityName: string): Promise<EntityField[]> {
+    const url = `${this.config.apiUrl}/${entityName}/entityInformation/fields`;
+    
+    const response = await this.makeApiCall<any>(url, {
+      method: 'GET',
+      headers: this.getAuthHeaders(),
+    });
+
+    return response.fields || [];
+  }
 }
 
 // Rate Limiter class