diff --git a/src/app/layouts/tasks-executor/tasks-executor.html b/src/app/layouts/tasks-executor/tasks-executor.html
index 600199f..c9c94d2 100644
--- a/src/app/layouts/tasks-executor/tasks-executor.html
+++ b/src/app/layouts/tasks-executor/tasks-executor.html
@@ -13,6 +13,7 @@
         [selectedExecutionId]="selectedExecutionId()"
         (executionSelected)="selectExecution($event)"
         (executionDeleteRequested)="removeExecution($event)"
+        (executionGroupDeleteRequested)="removeExecutionGroup($event)"
         (executionRerunRequested)="rerunExecution($event)"
         (compareRequested)="openComparison($event)">
       </app-tasks-executions-list>
diff --git a/src/app/layouts/tasks-executor/tasks-executor.spec.ts b/src/app/layouts/tasks-executor/tasks-executor.spec.ts
index 416e416..abba078 100644
--- a/src/app/layouts/tasks-executor/tasks-executor.spec.ts
+++ b/src/app/layouts/tasks-executor/tasks-executor.spec.ts
@@ -73,6 +73,7 @@ describe('TasksExecutor', () => {
             init: vi.fn(),
             retrieveExecution: vi.fn().mockReturnValue(of(null)),
             deleteExecution: vi.fn().mockReturnValue(of(null)),
+            deleteExecutionGroup: vi.fn().mockReturnValue(of(null)),
             rerunExecution: vi.fn().mockReturnValue(of(null)),
             retrieveExecutionEvents: vi.fn().mockReturnValue(of([]))
           }
diff --git a/src/app/layouts/tasks-executor/tasks-executor.ts b/src/app/layouts/tasks-executor/tasks-executor.ts
index 4b67bdc..de98c7d 100644
--- a/src/app/layouts/tasks-executor/tasks-executor.ts
+++ b/src/app/layouts/tasks-executor/tasks-executor.ts
@@ -331,6 +331,25 @@ export class TasksExecutor {
     });
   }
 
+  async removeExecutionGroup(group: TaskExecutionGroupListItem) {
+    const confirmed = await this.confirm.open(
+      `Delete all ${group.executionCount} executions in “${group.name}”? This permanently removes this group's history, including child executions and comparison data. This cannot be undone.`
+    );
+    if (!confirmed) return;
+
+    this.taskExecutionsService.deleteExecutionGroup(group.id).subscribe({
+      next: () => {
+        if (group.executions.some((execution) => execution.id === this.selectedExecutionId())) {
+          this.selectedExecutionId.set(null);
+          this.requestedExecutionId.set(null);
+          this.selectedChildExecutionId.set(null);
+          this.closeComparison();
+        }
+      },
+      error: (err) => console.error('Error deleting execution group:', err)
+    });
+  }
+
   rerunExecution(id: string) {
     this.taskExecutionsService.rerunExecution(id).subscribe({
       next: (execution) => this.selectExecution(execution.id),
diff --git a/src/app/pages/main/editor-sidebar/editor-sidebar.html b/src/app/pages/main/editor-sidebar/editor-sidebar.html
index a0c168a..5fa7d1e 100644
--- a/src/app/pages/main/editor-sidebar/editor-sidebar.html
+++ b/src/app/pages/main/editor-sidebar/editor-sidebar.html
@@ -30,7 +30,7 @@
           'cursor-none bg-gray-200 text-indigo-500': !flowsDisabled() && open == 'flows',
           'text-gray-200': flowsDisabled()
         }"
-        [attr.title]="flowsDisabled() ? 'Exit fullscreen to browse other flows' : 'Flows'"
+        [attr.aria-label]="flowsDisabled() ? 'Exit fullscreen to browse other flows' : 'Flows'"
         class="bi bi-lightning-charge-fill text-xl p-2"
         (click)="!flowsDisabled() && open != 'flows' && openSide('flows')"></i>
       <i
@@ -62,7 +62,7 @@
       @switch (open) {
       @case ('flows') {
       <div data-tour="editor-sidebar-flows" class="h-full min-h-0 flex flex-col">
-      <app-group-holder title="Flows" icon="bi-lightning-charge-fill">
+      <app-group-holder headerTitle="Flows" icon="bi-lightning-charge-fill">
         <span header-button class="editor-sidebar-new-flow-header-action">
         <input
           #importInput
@@ -114,14 +114,14 @@
       }
       @case ('blocks') {
       <div data-tour="editor-sidebar-blocks" class="h-full min-h-0 flex flex-col">
-      <app-group-holder title="Blocks" icon="bi-boxes">
+      <app-group-holder headerTitle="Blocks" icon="bi-boxes">
         <app-blocks-list></app-blocks-list>
       </app-group-holder>
       </div>
       }
       @case ('containers') {
       <div data-tour="editor-sidebar-containers" class="h-full min-h-0 flex flex-col">
-      <app-group-holder title="Containers" icon="bi-box-seam">
+      <app-group-holder headerTitle="Containers" icon="bi-box-seam">
         <app-containers-list></app-containers-list>
       </app-group-holder>
       </div>
diff --git a/src/app/services/task-executions/task-executions-call.base.ts b/src/app/services/task-executions/task-executions-call.base.ts
index 45379c7..9256ddc 100644
--- a/src/app/services/task-executions/task-executions-call.base.ts
+++ b/src/app/services/task-executions/task-executions-call.base.ts
@@ -40,6 +40,7 @@ export abstract class TaskExecutionsCallServiceBase {
   abstract listBiasImpactReports(executionId: string): Observable<BiasImpactReport[]>;
   abstract getBiasImpactReport(reportId: string): Observable<BiasImpactReport>;
   abstract deleteTaskExecution(executionId: string): Observable<void>;
+  abstract deleteTaskExecutionGroup(groupId: string): Observable<void>;
   abstract startTaskExecution(executionId: string): Observable<TaskExecution>;
   abstract simulateTaskExecution(executionId: string, simulator: LLMDescriptor, credentialId?: string): Observable<TaskExecution>;
   abstract cancelTaskExecution(executionId: string): Observable<TaskExecution>;
diff --git a/src/app/services/task-executions/task-executions-call.fake.ts b/src/app/services/task-executions/task-executions-call.fake.ts
index 55b9eef..0ae05f8 100644
--- a/src/app/services/task-executions/task-executions-call.fake.ts
+++ b/src/app/services/task-executions/task-executions-call.fake.ts
@@ -788,6 +788,13 @@ export class TaskExecutionsCallServiceFake extends TaskExecutionsCallServiceBase
     return of(void 0);
   }
 
+  override deleteTaskExecutionGroup(groupId: string): Observable<void> {
+    for (let index = this.data.length - 1; index >= 0; index--) {
+      if (this.executionSourceFlowId(this.data[index]) === groupId) this.data.splice(index, 1);
+    }
+    return of(void 0);
+  }
+
   override startTaskExecution(executionId: string): Observable<TaskExecution> {
     const execution = this.findExecution(executionId);
     execution.interactionSimulationEnabled = false;
diff --git a/src/app/services/task-executions/task-executions-call.ts b/src/app/services/task-executions/task-executions-call.ts
index 40b4cfe..b3c86de 100644
--- a/src/app/services/task-executions/task-executions-call.ts
+++ b/src/app/services/task-executions/task-executions-call.ts
@@ -128,6 +128,10 @@ export class TaskExecutionsCallService extends TaskExecutionsCallServiceBase {
     return this.http.delete<void>(`${environment.apiUrl}/executions/${encodeURIComponent(executionId)}`);
   }
 
+  override deleteTaskExecutionGroup(groupId: string): Observable<void> {
+    return this.http.delete<void>(`${environment.apiUrl}/executions/groups/${encodeURIComponent(groupId)}`);
+  }
+
   override startTaskExecution(executionId: string): Observable<TaskExecution> {
     return this.http.put<unknown>(`${environment.apiUrl}/executions/${encodeURIComponent(executionId)}/start`, null).pipe(
       map((raw) => this.mapExecution(raw))
diff --git a/src/app/services/task-executions/task-executions.ts b/src/app/services/task-executions/task-executions.ts
index 8eafc23..1f27902 100644
--- a/src/app/services/task-executions/task-executions.ts
+++ b/src/app/services/task-executions/task-executions.ts
@@ -235,6 +235,13 @@ export class TaskExecutionsService {
     );
   }
 
+  deleteExecutionGroup(groupId: string) {
+    return this.withRefreshAndErrorHandling(
+      this.taskExecutionsCallService.deleteTaskExecutionGroup(groupId),
+      'Delete execution group failed'
+    );
+  }
+
   startExecution(executionId: string) {
     return this.withRefreshAndErrorHandling(
       this.taskExecutionsCallService.startTaskExecution(executionId),
diff --git a/src/app/shared/flows-list/flow-item/flow-item.html b/src/app/shared/flows-list/flow-item/flow-item.html
index 0b2551f..f1491ed 100644
--- a/src/app/shared/flows-list/flow-item/flow-item.html
+++ b/src/app/shared/flows-list/flow-item/flow-item.html
@@ -17,7 +17,9 @@
                     [class.flow-item-visibility-public]="flow().visibility !== 'PRIVATE'"
                     [matTooltip]="flow().visibility === 'PRIVATE' ? 'Private flow' : 'Public flow'"
                     [fontIcon]="flow().visibility === 'PRIVATE' ? 'lock' : 'public'"></mat-icon>
-                <span class="flow-item-title">{{ flow().name }}</span>
+                <span class="flow-item-title" [appTruncatedTooltip]="flow().name">
+                    {{ flow().name }}
+                </span>
             </div>
             <div class="flow-item-sub">
                 <span class="flow-item-author">{{ flow().author }}</span>
diff --git a/src/app/shared/flows-list/flow-item/flow-item.ts b/src/app/shared/flows-list/flow-item/flow-item.ts
index 48dc928..3846f8d 100644
--- a/src/app/shared/flows-list/flow-item/flow-item.ts
+++ b/src/app/shared/flows-list/flow-item/flow-item.ts
@@ -20,11 +20,12 @@ import { NotificationService } from '@services/notifications/notification';
 import { ProjectsService } from '@services/projects/projects';
 import { PROJECTS_ENABLED } from '@shared/feature-flags';
 import { EditorStateHolder } from '@stores/flow-editor';
+import { TruncatedTooltipDirective } from '@shared/truncated-tooltip/truncated-tooltip';
 import { firstValueFrom } from 'rxjs';
 
 @Component({
   selector: 'app-flow-item',
-  imports: [CommonModule, MatButtonModule, MatCardModule, MatIconModule, MatMenuModule, MatTooltipModule],
+  imports: [CommonModule, MatButtonModule, MatCardModule, MatIconModule, MatMenuModule, MatTooltipModule, TruncatedTooltipDirective],
   templateUrl: './flow-item.html',
   styleUrl: './flow-item.css',
   changeDetection: ChangeDetectionStrategy.OnPush
diff --git a/src/app/shared/flows-list/flows-group/flows-group.html b/src/app/shared/flows-list/flows-group/flows-group.html
index 47bbdb1..942696c 100644
--- a/src/app/shared/flows-list/flows-group/flows-group.html
+++ b/src/app/shared/flows-list/flows-group/flows-group.html
@@ -15,7 +15,9 @@
         class="flows-list-group-chevron"
         [fontIcon]="expanded() ? 'expand_less' : 'expand_more'"></mat-icon>
       <div class="flows-list-group-main">
-        <div class="flows-list-group-title">{{ title() }}</div>
+        <div class="flows-list-group-title" [appTruncatedTooltip]="title()">
+          {{ title() }}
+        </div>
         @if (project()?.description) {
         <div class="flows-list-group-subtitle">{{ project()?.description }}</div>
         }
diff --git a/src/app/shared/flows-list/flows-group/flows-group.ts b/src/app/shared/flows-list/flows-group/flows-group.ts
index 713da99..0ce2874 100644
--- a/src/app/shared/flows-list/flows-group/flows-group.ts
+++ b/src/app/shared/flows-list/flows-group/flows-group.ts
@@ -11,6 +11,7 @@ import { MatTooltipModule } from '@angular/material/tooltip';
 import { Flow } from '@models/flow';
 import { Project } from '@models/project';
 import { FlowItem } from '../flow-item/flow-item';
+import { TruncatedTooltipDirective } from '@shared/truncated-tooltip/truncated-tooltip';
 
 /**
  * One collapsible project section of the flows list. Purely presentational: the list owns the
@@ -21,7 +22,7 @@ import { FlowItem } from '../flow-item/flow-item';
  */
 @Component({
   selector: 'app-flows-group',
-  imports: [FlowItem, MatButtonModule, MatCardModule, MatIconModule, MatMenuModule, MatTooltipModule],
+  imports: [FlowItem, MatButtonModule, MatCardModule, MatIconModule, MatMenuModule, MatTooltipModule, TruncatedTooltipDirective],
   templateUrl: './flows-group.html',
   styleUrl: './flows-group.css',
   changeDetection: ChangeDetectionStrategy.OnPush
@@ -51,4 +52,5 @@ export class FlowsGroup {
     event.stopPropagation();
     this.toggled.emit();
   }
+
 }
diff --git a/src/app/shared/group-holder/group-holder.html b/src/app/shared/group-holder/group-holder.html
index 27ad39b..0dc8c58 100644
--- a/src/app/shared/group-holder/group-holder.html
+++ b/src/app/shared/group-holder/group-holder.html
@@ -19,7 +19,7 @@
 
     <div class="flex items-center gap-2 min-w-0">
       <i class="bi {{ icon }} text-lg"></i>
-      <span class="truncate">{{ title }}</span>
+      <span class="truncate">{{ headerTitle }}</span>
   </div>
   <span class="group-holder-header-action">
   <ng-content select="[header-button]"></ng-content>
diff --git a/src/app/shared/group-holder/group-holder.ts b/src/app/shared/group-holder/group-holder.ts
index e3b588f..6995ac8 100644
--- a/src/app/shared/group-holder/group-holder.ts
+++ b/src/app/shared/group-holder/group-holder.ts
@@ -12,6 +12,6 @@ import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
   changeDetection: ChangeDetectionStrategy.OnPush
 })
 export class GroupHolder {
-  @Input() title = '';
+  @Input() headerTitle = '';
   @Input() icon = '';
 }
diff --git a/src/app/shared/tasks-executions-list/tasks-executions-list.css b/src/app/shared/tasks-executions-list/tasks-executions-list.css
index 519dc89..af64998 100644
--- a/src/app/shared/tasks-executions-list/tasks-executions-list.css
+++ b/src/app/shared/tasks-executions-list/tasks-executions-list.css
@@ -75,7 +75,7 @@
 /* Flat, like the flows list: a scrolling history should not be a stack of raised, tinted panels. */
 .tasks-list-group {
   width: 100%;
-  padding: 8px 10px;
+  padding: 7px 8px;
   border: 1px solid #e2e8f0;
   border-radius: 6px;
   background: #ffffff;
@@ -95,14 +95,21 @@
   background: #f8fafc;
 }
 
+.tasks-list-group-header-row {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+}
+
 .tasks-list-group-header {
-  width: 100%;
+  flex: 1;
+  min-width: 0;
   border: 0;
   padding: 0;
   display: grid;
   grid-template-columns: 24px minmax(0, 1fr) auto;
-  align-items: start;
-  gap: 8px;
+  align-items: center;
+  gap: 6px;
   background: transparent;
   text-align: left;
   cursor: pointer;
@@ -125,7 +132,11 @@
   color: #1e293b;
 }
 
+/* Keep the compact ellipsis at rest, but reveal the real label in its own card on hover. */
 .tasks-list-group-subtitle {
+  display: flex;
+  align-items: center;
+  gap: 4px;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
@@ -137,8 +148,8 @@
   display: flex;
   align-items: center;
   justify-content: flex-end;
-  gap: 6px;
-  flex-wrap: wrap;
+  gap: 4px;
+  flex-wrap: nowrap;
 }
 
 .tasks-list-count {
@@ -151,7 +162,7 @@
   color: #1d4ed8;
   font-size: 10px;
   font-weight: 700;
-  padding: 2px 8px;
+  padding: 1px 6px;
   white-space: nowrap;
 }
 
@@ -173,7 +184,7 @@
   display: inline-flex;
   align-items: center;
   min-height: 20px;
-  padding: 3px 9px;
+  padding: 2px 7px;
   border-radius: 999px;
   border-width: 1px;
   font-size: 10px;
@@ -186,26 +197,26 @@
   align-items: center;
   justify-content: space-between;
   gap: 8px;
-  margin-top: 10px;
+  margin-top: 6px;
   font-size: 11px;
   color: #64748b;
-  padding-top: 8px;
+  padding-top: 6px;
   border-top: 1px solid rgba(148, 163, 184, 0.18);
 }
 
 .tasks-list-executions {
   display: flex;
   flex-direction: column;
-  gap: 8px;
-  margin-top: 10px;
+  gap: 5px;
+  margin-top: 7px;
 }
 
 .tasks-list-execution {
   position: relative;
   border: 1px solid #eef2f6;
   border-left: 3px solid transparent;
-  border-radius: 6px;
-  padding: 7px 8px;
+  border-radius: 5px;
+  padding: 5px 7px;
   background: #ffffff;
   cursor: pointer;
   transition: border-color 0.12s ease, background-color 0.12s ease;
@@ -229,6 +240,13 @@
   gap: 8px;
 }
 
+.tasks-list-execution-trailing {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  flex: 0 0 auto;
+}
+
 .tasks-list-execution-title {
   display: flex;
   align-items: center;
@@ -254,42 +272,71 @@
 .tasks-list-execution-details {
   display: flex;
   align-items: center;
-  gap: 8px;
-  margin-top: 6px;
+  gap: 6px;
+  margin-top: 2px;
   min-width: 0;
   flex-wrap: wrap;
-  font-size: 11px;
+  font-size: 10px;
   color: #64748b;
 }
 
 .tasks-list-execution-actions {
-  display: flex;
-  justify-content: flex-end;
-  gap: 4px;
-  margin-top: 6px;
-}
-
-.tasks-list-latest {
-  width: 100%;
-  border: 1px solid #dbeafe;
-  border-radius: 8px;
-  padding: 8px 10px;
   display: flex;
   align-items: center;
-  justify-content: center;
-  gap: 6px;
-  margin-top: 10px;
-  background: #f8fafc;
-  color: #2563eb;
-  font-size: 12px;
-  font-weight: 700;
-  cursor: pointer;
+  gap: 1px;
 }
 
-.tasks-list-latest:hover {
+.tasks-list-execution-action {
+  width: 26px !important;
+  height: 26px !important;
+  padding: 0 !important;
+}
+
+.tasks-list-execution-action .mat-icon {
+  width: 17px;
+  height: 17px;
+  font-size: 17px;
+  line-height: 17px;
+}
+
+.tasks-list-execution-rerun {
+  color: #047857;
+}
+
+.tasks-list-execution-rerun:disabled {
+  color: #cbd5e1;
+}
+
+.tasks-list-execution-delete {
+  color: #dc2626;
+}
+
+.tasks-list-execution-delete:disabled {
+  color: #fecaca;
+}
+
+.tasks-list-open-latest {
+  flex: 0 0 auto;
+  color: #2563eb;
+}
+
+.tasks-list-open-latest:hover {
   background: #eff6ff;
 }
 
+.tasks-list-delete-group {
+  flex: 0 0 auto;
+  color: #dc2626;
+}
+
+.tasks-list-delete-group:disabled {
+  color: #cbd5e1;
+}
+
+.tasks-list-delete-group:hover:not(:disabled) {
+  background: #fff1f2;
+}
+
 /* Clusters the sibling groups produced by one project run. */
 .tasks-list-project-chip {
   display: inline-block;
diff --git a/src/app/shared/tasks-executions-list/tasks-executions-list.html b/src/app/shared/tasks-executions-list/tasks-executions-list.html
index 46512d2..c744b21 100644
--- a/src/app/shared/tasks-executions-list/tasks-executions-list.html
+++ b/src/app/shared/tasks-executions-list/tasks-executions-list.html
@@ -51,24 +51,51 @@
       @for (group of filteredGroups(); track group.id) {
       <mat-list-item class="tasks-list-list-item">
       <mat-card class="tasks-list-group" [class.tasks-list-group-expanded]="isGroupExpanded(group.id)">
-        <button type="button" class="tasks-list-group-header" (click)="toggleGroup(group.id, $event)">
-          <mat-icon class="tasks-list-group-chevron" [fontIcon]="isGroupExpanded(group.id) ? 'expand_less' : 'expand_more'"></mat-icon>
-          <div class="tasks-list-group-main">
-            <div class="tasks-list-group-title">{{ group.name }}</div>
-            <div class="tasks-list-group-subtitle">
-              @if (group.projectName) {
-              <span class="tasks-list-project-chip">{{ group.projectName }}</span>
-              }
+        <div class="tasks-list-group-header-row">
+          <button type="button" class="tasks-list-group-header" (click)="toggleGroup(group.id, $event)">
+            <mat-icon class="tasks-list-group-chevron" [fontIcon]="isGroupExpanded(group.id) ? 'expand_less' : 'expand_more'"></mat-icon>
+            <div class="tasks-list-group-main">
+              <div class="tasks-list-group-title" [appTruncatedTooltip]="group.name">
+                {{ group.name }}
+              </div>
+              <div class="tasks-list-group-subtitle">
+                @if (group.projectName) {
+                <span class="tasks-list-project-chip">{{ group.projectName }}</span>
+                }
+                <span>Latest {{ group.lastExecutionTimeLabel }} · {{ runNumberLabel(group.latestRunNumber) }}</span>
+              </div>
             </div>
-          </div>
-          <div class="tasks-list-group-summary">
-            <span class="tasks-list-count">{{ runCountLabel(group.executionCount) }}</span>
-            <span class="tasks-list-status" [ngClass]="statusBadgeClass(group.latestStatus)">
-              {{ group.latestStatus }}
-            </span>
-          </div>
-        </button>
+            <div class="tasks-list-group-summary">
+              <span class="tasks-list-count">{{ runCountLabel(group.executionCount) }}</span>
+              <span class="tasks-list-status" [ngClass]="statusBadgeClass(group.latestStatus)">
+                {{ group.latestStatus }}
+              </span>
+            </div>
+          </button>
+          @if (!isGroupExpanded(group.id)) {
+          <button
+            type="button"
+            mat-icon-button
+            class="tasks-list-open-latest"
+            matTooltip="Open latest execution"
+            aria-label="Open latest execution"
+            (click)="selectExecution(group.latestExecutionId)">
+            <mat-icon fontIcon="arrow_forward"></mat-icon>
+          </button>
+          }
+          <button
+            type="button"
+            mat-icon-button
+            class="tasks-list-delete-group"
+            [disabled]="isGroupDeleteDisabled(group)"
+            [matTooltip]="isGroupDeleteDisabled(group) ? 'Stop running executions before deleting this group' : 'Delete every execution in this group'"
+            aria-label="Delete execution group"
+            (click)="requestDeleteExecutionGroup(group, $event)">
+            <mat-icon fontIcon="delete"></mat-icon>
+          </button>
+        </div>
 
+        @if (isGroupExpanded(group.id)) {
         <div class="tasks-list-group-meta">
           <span>Latest {{ group.lastExecutionTimeLabel }}</span>
           <span>Run {{ runNumberLabel(group.latestRunNumber) }}</span>
@@ -94,7 +121,6 @@
         </div>
         }
 
-        @if (isGroupExpanded(group.id)) {
         <div class="tasks-list-executions">
           @for (execution of group.executions; track execution.id) {
           <div
@@ -119,9 +145,33 @@
                   {{ kindLabel(execution) }}
                 </span>
               </div>
-              <span class="tasks-list-status" [ngClass]="statusBadgeClass(execution.status)">
-                {{ execution.status }}
-              </span>
+              <div class="tasks-list-execution-trailing">
+                <span class="tasks-list-status" [ngClass]="statusBadgeClass(execution.status)">
+                  {{ execution.status }}
+                </span>
+                <div class="tasks-list-execution-actions">
+                  <button
+                    type="button"
+                    mat-icon-button
+                    class="tasks-list-execution-action tasks-list-execution-rerun"
+                    matTooltip="Rerun execution"
+                    aria-label="Rerun execution"
+                    [disabled]="!canRerun(execution.status)"
+                    (click)="requestRerunExecution(execution.id, $event)">
+                    <mat-icon fontIcon="replay"></mat-icon>
+                  </button>
+                  <button
+                    type="button"
+                    mat-icon-button
+                    class="tasks-list-execution-action tasks-list-execution-delete"
+                    matTooltip="Delete execution"
+                    aria-label="Delete execution"
+                    [disabled]="isDeleteDisabled(execution.status)"
+                    (click)="requestDeleteExecution(execution.id, $event)">
+                    <mat-icon fontIcon="delete"></mat-icon>
+                  </button>
+                </div>
+              </div>
             </div>
             <div class="tasks-list-execution-details">
               <span>{{ execution.startedAt }}</span>
@@ -134,36 +184,9 @@
               <span class="tasks-list-simulated-badge">Simulated</span>
               }
             </div>
-            <div class="tasks-list-execution-actions">
-              <button
-                type="button"
-                mat-icon-button
-                class="!h-8 !w-8 enabled:!text-emerald-700 disabled:!text-slate-300"
-                matTooltip="Rerun execution"
-                aria-label="Rerun execution"
-                [disabled]="!canRerun(execution.status)"
-                (click)="requestRerunExecution(execution.id, $event)">
-                <mat-icon fontIcon="replay"></mat-icon>
-              </button>
-              <button
-                type="button"
-                mat-icon-button
-                class="!h-8 !w-8 enabled:!text-red-600 disabled:!text-red-200"
-                matTooltip="Delete execution"
-                aria-label="Delete execution"
-                [disabled]="isDeleteDisabled(execution.status)"
-                (click)="requestDeleteExecution(execution.id, $event)">
-                <mat-icon fontIcon="delete"></mat-icon>
-              </button>
-            </div>
           </div>
           }
         </div>
-        } @else {
-        <button type="button" class="tasks-list-latest" (click)="selectExecution(group.latestExecutionId)">
-          <span>Open latest execution</span>
-          <mat-icon fontIcon="arrow_forward"></mat-icon>
-        </button>
         }
       </mat-card>
       </mat-list-item>
diff --git a/src/app/shared/tasks-executions-list/tasks-executions-list.spec.ts b/src/app/shared/tasks-executions-list/tasks-executions-list.spec.ts
index 3b4600a..946bf01 100644
--- a/src/app/shared/tasks-executions-list/tasks-executions-list.spec.ts
+++ b/src/app/shared/tasks-executions-list/tasks-executions-list.spec.ts
@@ -100,6 +100,25 @@ describe('TasksExecutionsListComponent comparison picking', () => {
     expect(component.selectedExecutionId()).toBe('e1');
   });
 
+  it('requests clearing every run in one group from its header action', () => {
+    const deleteRequested = vi.fn();
+    const target = group('g1', ['e1', 'e2']);
+    component.executionGroupDeleteRequested.subscribe(deleteRequested);
+
+    component.requestDeleteExecutionGroup(target);
+
+    expect(deleteRequested).toHaveBeenCalledWith(target);
+  });
+
+  it('disables deleting a group while one of its executions is running', () => {
+    const runningGroup: TaskExecutionGroupListItem = {
+      ...group('g1', ['e1']),
+      executions: [{ ...group('g1', ['e1']).executions[0], status: 'RUNNING' }]
+    };
+
+    expect(component.isGroupDeleteDisabled(runningGroup)).toBe(true);
+  });
+
   it('confines comparison to one group, and clears the picks on leaving', () => {
     // Runs of different flows share no node ids, so comparing across groups is meaningless.
     component.toggleCompareMode('g1');
diff --git a/src/app/shared/tasks-executions-list/tasks-executions-list.ts b/src/app/shared/tasks-executions-list/tasks-executions-list.ts
index 595aa6f..ceae6ec 100644
--- a/src/app/shared/tasks-executions-list/tasks-executions-list.ts
+++ b/src/app/shared/tasks-executions-list/tasks-executions-list.ts
@@ -16,6 +16,7 @@ import { MatTooltipModule } from '@angular/material/tooltip';
 import { getExecutionStatusGroup, TaskExecutionStatus, TaskExecutionStatusGroup } from '@models/task-execution';
 import { OrderEvent, OrderField, Ordering, orderDirType } from '@shared/ordering/ordering';
 import { OrderViewState } from '@utilities/list-state-holder';
+import { TruncatedTooltipDirective } from '@shared/truncated-tooltip/truncated-tooltip';
 
 export type TaskExecutionFilter = 'all' | TaskExecutionStatusGroup;
 
@@ -67,7 +68,7 @@ export type TaskExecutionGroupListItem = {
 
 @Component({
   selector: 'app-tasks-executions-list',
-  imports: [CommonModule, FormsModule, Ordering, MatButtonModule, MatButtonToggleModule, MatCardModule, MatFormFieldModule, MatIconModule, MatInputModule, MatListModule, MatTooltipModule],
+  imports: [CommonModule, FormsModule, Ordering, MatButtonModule, MatButtonToggleModule, MatCardModule, MatFormFieldModule, MatIconModule, MatInputModule, MatListModule, MatTooltipModule, TruncatedTooltipDirective],
   templateUrl: './tasks-executions-list.html',
   styleUrl: './tasks-executions-list.css',
   changeDetection: ChangeDetectionStrategy.OnPush
@@ -77,6 +78,7 @@ export class TasksExecutionsListComponent {
   readonly selectedExecutionId = input<string | null>(null);
   readonly executionSelected = output<string>();
   readonly executionDeleteRequested = output<string>();
+  readonly executionGroupDeleteRequested = output<TaskExecutionGroupListItem>();
   readonly executionRerunRequested = output<string>();
   /** Two runs of one group, picked to be compared. */
   readonly compareRequested = output<{ leftId: string; rightId: string }>();
@@ -201,6 +203,11 @@ export class TasksExecutionsListComponent {
     this.executionDeleteRequested.emit(executionId);
   }
 
+  requestDeleteExecutionGroup(group: TaskExecutionGroupListItem, event?: Event) {
+    event?.stopPropagation();
+    this.executionGroupDeleteRequested.emit(group);
+  }
+
   requestRerunExecution(executionId: string, event?: Event) {
     event?.stopPropagation();
     this.executionRerunRequested.emit(executionId);
@@ -246,6 +253,12 @@ export class TasksExecutionsListComponent {
     return getExecutionStatusGroup(status) === 'RUNNING';
   }
 
+  isGroupDeleteDisabled(group: TaskExecutionGroupListItem): boolean {
+    return group.executions.some((execution) =>
+      getExecutionStatusGroup(execution.status) === 'RUNNING'
+    );
+  }
+
   canRerun(status: TaskExecutionStatus): boolean {
     return getExecutionStatusGroup(status) === 'FINAL';
   }
diff --git a/src/app/shared/truncated-tooltip/truncated-tooltip.ts b/src/app/shared/truncated-tooltip/truncated-tooltip.ts
new file mode 100644
index 0000000..9f21dea
--- /dev/null
+++ b/src/app/shared/truncated-tooltip/truncated-tooltip.ts
@@ -0,0 +1,54 @@
+// SPDX-FileCopyrightText: 2025-2026 Lucio Lelii <lucio.lelii@isti.cnr.it> - ISTI-CNR
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// Attribution term under AGPL-3.0 section 7(b): see LICENSE-ADDENDUM.
+
+import { AfterViewInit, Directive, ElementRef, Input, OnChanges, OnDestroy, SimpleChanges, inject } from '@angular/core';
+import { MatTooltip } from '@angular/material/tooltip';
+
+/**
+ * Shows a title preview only when its host has actually been ellipsized. Measuring after render
+ * and observing size changes avoids the stale first-row-only result a template expression gives
+ * while a list is still laying itself out.
+ */
+@Directive({
+  selector: '[appTruncatedTooltip]',
+  standalone: true,
+  hostDirectives: [MatTooltip]
+})
+export class TruncatedTooltipDirective implements AfterViewInit, OnChanges, OnDestroy {
+  @Input({ required: true }) appTruncatedTooltip = '';
+
+  private readonly element = inject(ElementRef<HTMLElement>);
+  private readonly tooltip = inject(MatTooltip);
+  private resizeObserver: ResizeObserver | null = null;
+
+  ngAfterViewInit() {
+    this.tooltip.position = 'above';
+    this.tooltip.tooltipClass = 'title-preview-tooltip';
+    this.scheduleRefresh();
+
+    if (typeof ResizeObserver !== 'undefined') {
+      this.resizeObserver = new ResizeObserver(() => this.refresh());
+      this.resizeObserver.observe(this.element.nativeElement);
+    }
+  }
+
+  ngOnChanges(_changes: SimpleChanges) {
+    this.tooltip.message = this.appTruncatedTooltip;
+    this.scheduleRefresh();
+  }
+
+  ngOnDestroy() {
+    this.resizeObserver?.disconnect();
+  }
+
+  private scheduleRefresh() {
+    queueMicrotask(() => this.refresh());
+  }
+
+  private refresh() {
+    const host = this.element.nativeElement;
+    this.tooltip.message = this.appTruncatedTooltip;
+    this.tooltip.disabled = host.scrollWidth <= host.clientWidth;
+  }
+}
diff --git a/src/styles.css b/src/styles.css
index 0a14c0f..9dc75ba 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -422,6 +422,22 @@ body.node-focus-modal-open {
   transform: translateY(0);
 }
 
+/* Full sidebar titles float above the sidebar like a horizontally expanded card. */
+.cdk-overlay-container:has(.title-preview-tooltip) {
+  z-index: 2000;
+}
+
+.title-preview-tooltip.mat-mdc-tooltip-surface,
+.title-preview-tooltip .mat-mdc-tooltip-surface {
+  max-width: calc(100vw - 2rem);
+  white-space: nowrap;
+  border: 1px solid #cbd5e1;
+  border-radius: 6px;
+  background: #ffffff;
+  color: #1e293b;
+  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
+}
+
 .llm-error-title,
 .llm-warning-list-title {
   font-size: 11px;