refactor(dirt): remove newApplications from OrganizationReportSummary

Removes redundant newApplications field from summary type and uses
derived newApplications$ observable from orchestrator instead.

**Changes:**
- Remove newApplications from OrganizationReportSummary type definition
- Remove dummy data array from RiskInsightsReportService.getApplicationsSummary()
- Remove newApplications subscription from AllActivitiesService
- Update AllActivityComponent to subscribe directly to dataService.newApplications$

**Why:**
- Eliminates data redundancy (stored vs derived)
- newApplications$ already computes from applicationData.reviewedDate === null
- Single source of truth: applicationData is the source
- Simplifies encrypted payload (less data in summary)
- Better separation: stored data (counts) vs computed data (lists)

**Impact:**
- No functional changes - UI continues to display new applications correctly
- Cleaner architecture with computed observable pattern

bitwarden_license/bit-common/src/dirt/reports/risk-insights/models/report-models.ts

@@ -55,7 +55,6 @@ export type OrganizationReportSummary = {
   totalCriticalMemberCount: number;
   totalCriticalAtRiskMemberCount: number;
   totalCriticalAtRiskApplicationCount: number;
-  newApplications: string[];
 };
 
 /**

bitwarden_license/bit-common/src/dirt/reports/risk-insights/services/domain/risk-insights-report.service.ts

@@ -56,23 +56,6 @@ export class RiskInsightsReportService {
     const atRiskMembers = reports.flatMap((x) => x.atRiskMemberDetails);
     const uniqueAtRiskMembers = getUniqueMembers(atRiskMembers);
 
-    // TODO: Replace with actual new applications detection logic (PM-26185)
-    const dummyNewApplications = [
-      "github.com",
-      "google.com",
-      "stackoverflow.com",
-      "gitlab.com",
-      "bitbucket.org",
-      "npmjs.com",
-      "docker.com",
-      "aws.amazon.com",
-      "azure.microsoft.com",
-      "jenkins.io",
-      "terraform.io",
-      "kubernetes.io",
-      "atlassian.net",
-    ];
-
     return {
       totalMemberCount: uniqueMembers.length,
       totalAtRiskMemberCount: uniqueAtRiskMembers.length,
@@ -82,7 +65,6 @@ export class RiskInsightsReportService {
       totalCriticalAtRiskMemberCount: 0,
       totalCriticalApplicationCount: 0,
       totalCriticalAtRiskApplicationCount: 0,
-      newApplications: dummyNewApplications,
     };
   }
 

bitwarden_license/bit-common/src/dirt/reports/risk-insights/services/view/all-activities.service.ts

@@ -21,7 +21,6 @@ export class AllActivitiesService {
     totalCriticalApplicationCount: 0,
     totalAtRiskApplicationCount: 0,
     totalCriticalAtRiskApplicationCount: 0,
-    newApplications: [],
   });
   reportSummary$ = this.reportSummarySubject$.asObservable();
 
@@ -54,11 +53,6 @@ export class AllActivitiesService {
         this.setCriticalAppsReportSummary(report.summaryData);
       }
     });
-
-    // New applications changes (from orchestrator's reactive pipeline)
-    this.dataService.newApplications$.pipe(takeUntilDestroyed()).subscribe((newApps) => {
-      this.setNewApplications(newApps);
-    });
   }
 
   setCriticalAppsReportSummary(summary: OrganizationReportSummary) {
@@ -78,7 +72,6 @@ export class AllActivitiesService {
       totalAtRiskMemberCount: summary.totalAtRiskMemberCount,
       totalApplicationCount: summary.totalApplicationCount,
       totalAtRiskApplicationCount: summary.totalAtRiskApplicationCount,
-      // Note: newApplications now set separately via newApplications$ subscription
     });
   }
 
@@ -98,15 +91,4 @@ export class AllActivitiesService {
   setTaskCreatedCount(count: number) {
     this.taskCreatedCountSubject$.next(count);
   }
-
-  /**
-   * Updates the newApplications list in the report summary.
-   * Called when the orchestrator's newApplications$ observable emits.
-   */
-  private setNewApplications(newApps: string[]) {
-    this.reportSummarySubject$.next({
-      ...this.reportSummarySubject$.getValue(),
-      newApplications: newApps,
-    });
-  }
 }

bitwarden_license/bit-web/src/app/dirt/access-intelligence/activity/all-activity.component.ts

@@ -69,8 +69,13 @@ export class AllActivityComponent implements OnInit {
           this.totalCriticalAppsAtRiskMemberCount = summary.totalCriticalAtRiskMemberCount;
           this.totalCriticalAppsCount = summary.totalCriticalApplicationCount;
           this.totalCriticalAppsAtRiskCount = summary.totalCriticalAtRiskApplicationCount;
-          this.newApplications = summary.newApplications;
-          this.newApplicationsCount = summary.newApplications.length;
+        });
+
+      this.dataService.newApplications$
+        .pipe(takeUntilDestroyed(this.destroyRef))
+        .subscribe((newApps) => {
+          this.newApplications = newApps;
+          this.newApplicationsCount = newApps.length;
         });
 
       this.allActivitiesService.passwordChangeProgressMetricHasProgressBar$