chore: entferne nicht mehr genutzte Backup-Dateien, IDE-Konfigurationen und Kotlin-Build-Skripte

backend/infrastructure/gateway/src/main/resources/static/docs/postman/Meldestelle_API_Collection.json

@@ -8,7 +8,7 @@
   "variable": [
     {
       "key": "baseUrl",
-      "value": "http://localhost:8080",
+      "value": "http://localhost:8081",
       "type": "string"
     },
     {
@@ -221,6 +221,100 @@
         }
       ]
     },
+    {
+      "name": "Connectivity Context (Ping Service)",
+      "item": [
+        {
+          "name": "Simple Ping",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/simple",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "simple"]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Health Check",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/health",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "health"]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Public Info",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/public",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "public"]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Enhanced Ping (Resilience)",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/enhanced",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "enhanced"]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Sync Delta Diagnostic",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/sync?lastSyncTimestamp=0",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "sync"],
+              "query": [
+                {
+                  "key": "lastSyncTimestamp",
+                  "value": "0"
+                }
+              ]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Secure Ping (Login Required)",
+          "request": {
+            "method": "GET",
+            "header": [
+              {
+                "key": "Authorization",
+                "value": "Bearer {{authToken}}"
+              }
+            ],
+            "url": {
+              "raw": "{{baseUrl}}/api/ping/secure",
+              "host": ["{{baseUrl}}"],
+              "path": ["api", "ping", "secure"]
+            }
+          },
+          "response": []
+        }
+      ]
+    },
     {
       "name": "Master Data Context",
       "item": [