diff --git a/apps/showcase/src/components/training/code-editor-view/code-editor-view.component.ts b/apps/showcase/src/components/training/code-editor-view/code-editor-view.component.ts
index 6816793dc0..727af0a6fd 100644
--- a/apps/showcase/src/components/training/code-editor-view/code-editor-view.component.ts
+++ b/apps/showcase/src/components/training/code-editor-view/code-editor-view.component.ts
@@ -10,6 +10,7 @@ import {
   inject,
   input,
   OnDestroy,
+  OnInit,
   untracked,
   ViewChild,
   ViewEncapsulation,
@@ -25,6 +26,9 @@ import {
   FormsModule,
   ReactiveFormsModule,
 } from '@angular/forms';
+import {
+  DfModalService,
+} from '@design-factory/design-factory';
 import {
   LoggerService,
 } from '@o3r/logger';
@@ -44,6 +48,7 @@ import {
 } from 'ngx-monaco-tree';
 import {
   BehaviorSubject,
+  combineLatest,
   combineLatestWith,
   debounceTime,
   distinctUntilChanged,
@@ -51,9 +56,11 @@ import {
   firstValueFrom,
   from,
   map,
+  merge,
   Observable,
   of,
   share,
+  shareReplay,
   skip,
   startWith,
   Subject,
@@ -69,6 +76,9 @@ import {
 import {
   CodeEditorControlComponent,
 } from '../code-editor-control';
+import {
+  SaveCodeDialogComponent,
+} from '../save-code-dialog';
 
 declare global {
   interface Window {
@@ -117,7 +127,7 @@ export interface TrainingProject {
   templateUrl: './code-editor-view.component.html',
   styleUrl: './code-editor-view.component.scss'
 })
-export class CodeEditorViewComponent implements OnDestroy {
+export class CodeEditorViewComponent implements OnDestroy, OnInit {
   /**
    * @see {FormBuilder}
    */
@@ -163,7 +173,7 @@ export class CodeEditorViewComponent implements OnDestroy {
         : of([])
     ),
     filter((tree) => tree.length > 0),
-    share()
+    shareReplay({ bufferSize: 1, refCount: true })
   );
 
   /**
@@ -205,11 +215,18 @@ export class CodeEditorViewComponent implements OnDestroy {
     }))
   );
 
-  private readonly fileContentLoaded$ = this.form.controls.file.valueChanges.pipe(
+  private readonly modalService = inject(DfModalService);
+  private readonly forceReload = new Subject<void>();
+  private readonly forceSave = new Subject<void>();
+
+  private readonly fileContentLoaded$ = combineLatest([
+    this.form.controls.file.valueChanges,
+    this.forceReload.pipe(startWith(undefined))
+  ]).pipe(
     takeUntilDestroyed(),
     combineLatestWith(this.cwdTree$),
-    filter(([path, monacoTree]) => !!path && checkIfPathInMonacoTree(monacoTree, path.split('/'))),
-    switchMap(([path]) => from(this.webContainerService.readFile(`${this.project().cwd}/${path}`).catch(() => ''))),
+    filter(([[path], monacoTree]) => !!path && checkIfPathInMonacoTree(monacoTree, path.split('/'))),
+    switchMap(([[path]]) => from(this.webContainerService.readFile(`${this.project().cwd}/${path}`).catch(() => ''))),
     share()
   );
 
@@ -238,14 +255,22 @@ export class CodeEditorViewComponent implements OnDestroy {
           // Remove link between launch project and terminals
           await this.webContainerService.loadProject(project.files, project.commands, project.cwd);
         }
-        await this.loadNewProject();
-        this.cwd$.next(project?.cwd || '');
+        this.loadNewProject();
+        this.cwd$.next(project.cwd);
       });
     });
-    this.form.controls.code.valueChanges.pipe(
-      distinctUntilChanged(),
-      skip(1),
-      debounceTime(300),
+    this.forceReload.subscribe(async () => {
+      await this.cleanAllModelsFromMonaco();
+      await this.loadAllProjectFilesToMonaco();
+    });
+    merge(
+      this.forceSave.pipe(map(() => this.form.value.code)),
+      this.form.controls.code.valueChanges.pipe(
+        distinctUntilChanged(),
+        skip(1),
+        debounceTime(1000)
+      )
+    ).pipe(
       filter((text): text is string => !!text),
       takeUntilDestroyed()
     ).subscribe((text: string) => {
@@ -253,11 +278,20 @@ export class CodeEditorViewComponent implements OnDestroy {
         this.loggerService.error('No project found');
         return;
       }
+      if (text !== this.fileContent()) {
+        const { cwd } = this.project();
+        localStorage.setItem(cwd, JSON.stringify({
+          ...JSON.parse(localStorage.getItem(cwd) || '{}'),
+          [this.form.controls.file.value!]: text
+        }));
+      }
       const path = `${this.project().cwd}/${this.form.controls.file.value}`;
       this.loggerService.log('Writing file', path);
       void this.webContainerService.writeFile(path, text);
     });
-    this.fileContentLoaded$.subscribe((content) => this.form.controls.code.setValue(content));
+    this.fileContentLoaded$.subscribe((content) => {
+      this.form.controls.code.setValue(content);
+    });
 
     // Reload definition types when finishing install
     this.webContainerService.runner.dependenciesLoaded$.pipe(
@@ -338,15 +372,9 @@ export class CodeEditorViewComponent implements OnDestroy {
   /**
    * Load a new project in global monaco editor and update local form accordingly
    */
-  private async loadNewProject() {
-    if (this.project()?.startingFile) {
-      this.form.controls.file.setValue(this.project().startingFile);
-    } else {
-      this.form.controls.file.setValue('');
-      this.form.controls.code.setValue('');
-    }
-    await this.cleanAllModelsFromMonaco();
-    await this.loadAllProjectFilesToMonaco();
+  private loadNewProject() {
+    this.form.controls.file.setValue(this.project().startingFile);
+    this.forceReload.next();
   }
 
   /**
@@ -367,6 +395,7 @@ export class CodeEditorViewComponent implements OnDestroy {
   public onEditorKeyDown(event: KeyboardEvent) {
     const ctrlKey = /mac/i.test(navigator.userAgent) ? event.metaKey : event.ctrlKey;
     if (ctrlKey && event.key.toLowerCase() === 's') {
+      this.forceSave.next();
       event.stopPropagation();
       event.preventDefault();
     }
@@ -382,10 +411,32 @@ export class CodeEditorViewComponent implements OnDestroy {
     }
   }
 
+  public ngOnInit() {
+    const { cwd } = this.project();
+    const savedState = localStorage.getItem(cwd);
+    if (savedState) {
+      const modal = this.modalService.open(SaveCodeDialogComponent, { backdrop: 'static' });
+      void modal.result.then(async (positiveReply) => {
+        if (positiveReply) {
+          await firstValueFrom(this.cwdTree$);
+          const state = JSON.parse(savedState);
+          await Promise.all(Object.entries<string>(state)
+            .map(([path, text]) => this.webContainerService.writeFile(`${cwd}/${path}`, text)));
+          this.forceReload.next();
+        } else {
+          localStorage.removeItem(cwd);
+        }
+      });
+    }
+  }
+
   /**
    * @inheritDoc
    */
   public ngOnDestroy() {
+    this.forceReload.complete();
+    this.forceSave.complete();
+    this.newMonacoEditorCreated.complete();
     this.webContainerService.runner.killContainer();
   }
 }
diff --git a/apps/showcase/src/components/training/save-code-dialog/index.ts b/apps/showcase/src/components/training/save-code-dialog/index.ts
new file mode 100644
index 0000000000..aeaabc8013
--- /dev/null
+++ b/apps/showcase/src/components/training/save-code-dialog/index.ts
@@ -0,0 +1 @@
+export * from './save-code-dialog.component';
diff --git a/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.spec.ts b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.spec.ts
new file mode 100644
index 0000000000..33558e6bfc
--- /dev/null
+++ b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.spec.ts
@@ -0,0 +1,26 @@
+import {
+  ComponentFixture,
+  TestBed,
+} from '@angular/core/testing';
+import {
+  SaveCodeDialogComponent,
+} from './save-code-dialog.component';
+
+describe('ViewComponent', () => {
+  let component: SaveCodeDialogComponent;
+  let fixture: ComponentFixture<SaveCodeDialogComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [SaveCodeDialogComponent]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(SaveCodeDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.ts b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.ts
new file mode 100644
index 0000000000..9fc894a659
--- /dev/null
+++ b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.component.ts
@@ -0,0 +1,19 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  inject,
+} from '@angular/core';
+import {
+  NgbActiveModal,
+} from '@ng-bootstrap/ng-bootstrap';
+
+@Component({
+  selector: 'code-editor-terminal',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  standalone: true,
+  imports: [],
+  templateUrl: './save-code-dialog.template.html'
+})
+export class SaveCodeDialogComponent {
+  public readonly activeModal = inject(NgbActiveModal);
+}
diff --git a/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.template.html b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.template.html
new file mode 100644
index 0000000000..f9a084ead7
--- /dev/null
+++ b/apps/showcase/src/components/training/save-code-dialog/save-code-dialog.template.html
@@ -0,0 +1,10 @@
+<div class="modal-header">
+  <h2 class="modal-title">Code modifications detected</h2>
+</div>
+<div class="modal-body">
+  <p>Do you want to keep your previous changes or discard them?</p>
+</div>
+<div class="modal-footer">
+  <button type="button" class="btn btn-outline-danger me-5" (click)="activeModal.close(false)">Discard</button>
+  <button type="button" class="btn btn-primary" ngbAutofocus (click)="activeModal.close(true)">Keep</button>
+</div>