Refactor code structure for improved readability and maintainability

graphify-out/manifest.json

@@ -970,8 +970,8 @@
     "semantic_hash": ""
   },
   "src/Billing/Controller/BillingController.php": {
-    "mtime": 1784464902.58483,
-    "ast_hash": "6d0d11fa7a724830b1c1e9fe86d95162",
+    "mtime": 1784808838.8976812,
+    "ast_hash": "f5f39f4f82370d2b13dee2e6bab6491c",
     "semantic_hash": ""
   },
   "src/Billing/Entity/Claim.php": {
@@ -1010,8 +1010,8 @@
     "semantic_hash": ""
   },
   "src/Billing/Repository/InvoiceRepository.php": {
-    "mtime": 1784464902.5907006,
-    "ast_hash": "3529c7bce794c8b58deb428f16532791",
+    "mtime": 1784808794.513476,
+    "ast_hash": "b81cf990eebd86508fe9774406edff20",
     "semantic_hash": ""
   },
   "src/Billing/Service/BillingCalculator.php": {
@@ -2345,8 +2345,8 @@
     "semantic_hash": ""
   },
   "docs/api/billing.md": {
-    "mtime": 1784800330.8696327,
-    "ast_hash": "08efc312af675bedb01558616d266f39",
+    "mtime": 1784808955.8717575,
+    "ast_hash": "ee2062e82a8e990c45634cae2f24ac54",
     "semantic_hash": ""
   },
   "docs/api/blog.md": {
@@ -4455,8 +4455,8 @@
     "semantic_hash": ""
   },
   "assets/admin/hooks/useMyPayments.ts": {
-    "mtime": 1784464897.2272205,
-    "ast_hash": "8d07c6bc36b92db3824f0986fe9889e3",
+    "mtime": 1784808653.1351082,
+    "ast_hash": "8d468496e76cbabcfde29754de60f8e0",
     "semantic_hash": ""
   },
   "assets/admin/pages/MyPaymentDetailPage.test.tsx": {
@@ -4480,8 +4480,8 @@
     "semantic_hash": ""
   },
   "tests/Billing/PatientPaymentsTest.php": {
-    "mtime": 1784464902.7095838,
-    "ast_hash": "3eff879518695814933aace087f07100",
+    "mtime": 1784808879.26677,
+    "ast_hash": "4314df156d37d50bb87730f080fee1b8",
     "semantic_hash": ""
   },
   "assets/admin/components/PatientTagsCell.tsx": {