Add CorsRegexEnvProcessor and corresponding tests

- Implemented CorsRegexEnvProcessor to build CORS origin regex from a comma-separated host list (ALLOWED_FRONTEND_HOSTS).
- Added tests for CorsRegexEnvProcessor to validate regex generation and matching behavior.
- Created JSON files for AST representation of the new classes and tests.

graphify-out/manifest.json

@@ -2240,8 +2240,8 @@
     "semantic_hash": ""
   },
   "config/packages/nelmio_cors.yaml": {
-    "mtime": 1782933581.6906326,
-    "ast_hash": "c552214796d17d0d2a94154346b2afa8",
+    "mtime": 1783423349.9111028,
+    "ast_hash": "cf61699b7fc9ff8921d28d0c735361a1",
     "semantic_hash": ""
   },
   "config/packages/property_info.yaml": {
@@ -2995,8 +2995,8 @@
     "semantic_hash": ""
   },
   "docker/gen-cors-env.php": {
-    "mtime": 1782410159.2191367,
-    "ast_hash": "aa2b2af54e520f8e6d446dd328f6d54d",
+    "mtime": 1783423497.5513937,
+    "ast_hash": "bf59fa3835df846b483890f63a369755",
     "semantic_hash": ""
   },
   "docker/healthcheck.sh": {
@@ -3703,5 +3703,20 @@
     "mtime": 1783066913.0879276,
     "ast_hash": "074cb84109dd212089ba2b5397e9b3ed",
     "semantic_hash": ""
+  },
+  "src/Shared/DependencyInjection/CorsRegexEnvProcessor.php": {
+    "mtime": 1783423339.918379,
+    "ast_hash": "1fe5ad4d178ba633fe0a1c1d7c830e2e",
+    "semantic_hash": ""
+  },
+  "tests/Shared/CorsRegexEnvProcessorTest.php": {
+    "mtime": 1783423530.411102,
+    "ast_hash": "67be8d92badcc2506649af90503cfc0c",
+    "semantic_hash": ""
+  },
+  ".claude/prompt/cors-regex-from-hosts-coolify-safe.md": {
+    "mtime": 1783423233.682262,
+    "ast_hash": "21ec0778cfc1438f1f8a55c8c0adf55f",
+    "semantic_hash": ""
   }
 }