feat: Implement "All Monitoring" option

Update the service detail page to display all monitoring data (default and regional) in separate lines on the graph when "All Monitoring" is selected. Preserve the original functionality of other monitoring source options.

application/src/types/service.types.ts

@@ -70,6 +70,8 @@ export interface UptimeData {
   // Regional monitoring fields
   region_name?: string;
   agent_id?: string | number;
+  // Source identifier for multi-source display
+  source?: string;
 }
 
 export interface PingData {