feat: Add startsAt parameter to markMonitorsActiveForMonitoring and MonitorStatusTimelineService for improved timeline tracking

Common/Server/Services/IncidentService.ts

@@ -1039,6 +1039,7 @@ ${incident.remediationNotes || "No remediation notes provided."}
               " was created.",
           createdItem.createdStateLog,
           onCreate.createBy.props,
+          createdItem.declaredAt || undefined,
         );
       }
     } catch (error) {
@@ -1693,6 +1694,7 @@ ${incidentSeverity.name}
   public async markMonitorsActiveForMonitoring(
     projectId: ObjectID,
     monitors: Array<Monitor>,
+    startsAt?: Date | undefined,
   ): Promise<void> {
     // resolve all the monitors.
 
@@ -1769,6 +1771,10 @@ ${incidentSeverity.name}
           monitorStatusTimeline.projectId = projectId!;
           monitorStatusTimeline.monitorStatusId = resolvedMonitorState.id!;
 
+          if (startsAt) {
+            monitorStatusTimeline.startsAt = startsAt;
+          }
+
           await MonitorStatusTimelineService.create({
             data: monitorStatusTimeline,
             props: {

Common/Server/Services/IncidentStateTimelineService.ts

@@ -497,6 +497,7 @@ ${createdItem.rootCause}`,
         await IncidentService.markMonitorsActiveForMonitoring(
           incident.projectId!,
           incident.monitors || [],
+          createdItem.startsAt || undefined,
         );
       }
     }

Common/Server/Services/MonitorService.ts

@@ -1507,6 +1507,7 @@ ${createdItem.description?.trim() || "No description provided."}
     rootCause: string | undefined,
     statusChangeLog: JSONObject | undefined,
     props: DatabaseCommonInteractionProps,
+    startsAt?: Date | undefined,
   ): Promise<void> {
     for (const monitorId of monitorIds) {
       // get last monitor status timeline.
@@ -1552,6 +1553,10 @@ ${createdItem.description?.trim() || "No description provided."}
         statusTimeline.rootCause = rootCause;
       }
 
+      if (startsAt) {
+        statusTimeline.startsAt = startsAt;
+      }
+
       await MonitorStatusTimelineService.create({
         data: statusTimeline,
         props: props,