[add]: Summary to loan status response

app/swagger/digifi_swagger.json

@@ -103,7 +103,9 @@
                 "example": {
                   "status": "ok",
                   "db_status": "Connection Successful",
-                  "events_service_status": "healthy",
+                  "events_service_status":"Connection Successful",
+                  "emulator_status":"Connection Successful",
+                  "db_uri": "postgresql://user:****@localhost:5432/digifi_db",
                   "error": []
                 }
               }
@@ -116,7 +118,9 @@
                 "example": {
                   "status": "failed",
                   "db_status": "Connection Failed",
-                  "events_service_status": "unhealthy",
+                  "events_service_status":"Connection Failed",
+                  "emulator_status":"Connection Failed",
+                  "db_uri": "Unavailable",
                   "error":["could not connect to server: Connection refused"]
                 }
               }

app/swagger/schemas/LoanStatusResponse.json

@@ -102,6 +102,29 @@
       "type": "number",
       "format": "float",
       "example": 30000.0
+    },
+    "summary": {
+      "type": "object",
+      "properties": {
+        "totalOutstandingAmount": {
+          "type": "number",
+          "format": "float",
+          "example": 114450.0,
+          "description": "Total amount still owed across all unpaid loans."
+        },
+        "totalActiveLoanAmount": {
+          "type": "number",
+          "format": "float",
+          "example": 40000.0,
+          "description": "Total principal amount of currently active loans."
+        },
+        "totalSettledAmount": {
+          "type": "number",
+          "format": "float",
+          "example": 80000.0,
+          "description": "Total amount that has been fully repaid."
+        }
+      }
     }
   },
   "xml": {