feat: add E2E tests and update contact controller

- Add login-test.spec.ts for login flow E2E testing
- Add register-redirect.spec.ts for registration redirect test
- Update contact-crud.spec.ts with complete CRUD flow tests
- Update ContactController.java with contact management endpoints
- Update registration screen with multi-step wizard
- Move hardcoded credentials to .env.e2e environment variables
- Add E2E_API_URL to environment configuration

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Developer

apps/backend/src/main/java/com/simpleaccounts/rest/contactcontroller/ContactController.java

@@ -239,8 +239,11 @@ public ResponseEntity<Object> update(@RequestBody ContactPersistModel contactPer
 						}
 					}
 				}
-				Map<String, Object> supplierMap = new HashMap<>();
-			supplierMap.put("contact", contactPersistModel.getContactId());
+				// First get the Contact entity for the query
+			Contact existingContact = contactService.findByPK(contactPersistModel.getContactId());
+
+			Map<String, Object> supplierMap = new HashMap<>();
+			supplierMap.put("contact", existingContact);  // Pass Contact entity, not ID
 			supplierMap.put(JSON_KEY_DELETE_FLAG,Boolean.FALSE);
 			List<ContactTransactionCategoryRelation> contactTransactionCategoryRelations = contactTransactionCategoryService
 					.findByAttributes(supplierMap);
@@ -304,7 +307,7 @@ public ResponseEntity<Object> delete(@RequestParam(value = "id") Integer id, Htt
 			transactionCategoryList = transactionCategoryService.findByAttributes(tmap);
 		}
 		Map<String, Object> filterMap = new HashMap<>();
-		filterMap.put("contact", contact.getContactId());
+		filterMap.put("contact", contact);  // Pass Contact entity, not ID
 		// delete Contact Transaction Category Relation
 		List<ContactTransactionCategoryRelation> contactTransactionCategoryRelations = contactTransactionCategoryService
 				.findByAttributes(filterMap);

apps/frontend/.env.e2e

@@ -1,7 +1,8 @@
 RUN_E2E_SMOKE=true
 E2E_BASE_URL=http://localhost:3000
+E2E_API_URL=http://localhost:8080
 E2E_USERNAME=myselfmohsin@gmail.com
-E2E_PASSWORD=Test@123
+E2E_PASSWORD=Test@123$
 E2E_LOGIN_PATH=/login
 E2E_POST_LOGIN_PATH=/admin
 E2E_INVOICE_PATH=/admin/income/customer-invoice