Fix: propagate reload to PDF viewer even when URL doesnt change

src-ui/src/app/components/common/pdf-viewer/pdf-viewer.component.spec.ts

@@ -283,6 +283,22 @@ describe('PngxPdfViewerComponent', () => {
     expect(mockViewer.currentPageNumber).toBe(1)
   })
 
+  it('reloads when the source revision changes', () => {
+    const resetSpy = jest.spyOn(component as any, 'resetViewerState')
+    const loadSpy = jest
+      .spyOn(component as any, 'loadDocument')
+      .mockImplementation(() => {})
+    component.src = 'test.pdf'
+    component.sourceRevision = 1
+
+    component.ngOnChanges({
+      sourceRevision: new SimpleChange(0, 1, false),
+    })
+
+    expect(resetSpy).toHaveBeenCalled()
+    expect(loadSpy).toHaveBeenCalled()
+  })
+
   it('applies viewer state after view init when already loaded', () => {
     const applySpy = jest.spyOn(component as any, 'applyViewerState')
     ;(component as any).hasLoaded = true

src-ui/src/app/components/common/pdf-viewer/pdf-viewer.component.ts

@@ -43,6 +43,7 @@ export class PngxPdfViewerComponent
   private readonly document = inject<Document>(DOCUMENT)
 
   @Input() src!: string
+  @Input() sourceRevision = 0
   @Input() password?: string
   @Input() page?: number
   @Output() pageChange = new EventEmitter<number>()
@@ -93,7 +94,7 @@ export class PngxPdfViewerComponent
   }
 
   ngOnChanges(changes: SimpleChanges): void {
-    if (changes['src'] || changes['password']) {
+    if (changes['src'] || changes['sourceRevision'] || changes['password']) {
       this.resetViewerState()
       if (this.src) {
         this.loadDocument()

src-ui/src/app/components/document-detail/document-detail.component.html

@@ -472,6 +472,7 @@
           <div class="preview-sticky pdf-viewer-container">
             <pngx-pdf-viewer
               [src]="pdfSource()"
+              [sourceRevision]="previewRevision()"
               [password]="pdfPassword()"
               [renderMode]="PdfRenderMode.All"
               [page]="previewCurrentPage()" (pageChange)="previewCurrentPage.set($event)"

src-ui/src/app/components/document-detail/document-detail.component.spec.ts

@@ -1602,6 +1602,7 @@ describe('DocumentDetailComponent', () => {
     expect(openDoc.__changedFields).toEqual([])
     expect(setDirtySpy).toHaveBeenCalledWith(openDoc, false)
     expect(saveSpy).toHaveBeenCalled()
+    expect(component.previewRevision()).toBe(1)
   })
 
   it('should ignore incoming update for a different document id', () => {

src-ui/src/app/components/document-detail/document-detail.component.ts

@@ -249,6 +249,7 @@ export class DocumentDetailComponent
   titleSubject: Subject<string> = new Subject()
   readonly previewUrl = signal<string>(undefined)
   readonly pdfSource = signal<string>(undefined)
+  readonly previewRevision = signal(0)
   readonly pdfPassword = signal<string>(undefined)
   readonly thumbUrl = signal<string>(undefined)
   readonly previewText = signal<string>(undefined)
@@ -609,6 +610,9 @@ export class DocumentDetailComponent
               .subscribe()
           }
           this.updateComponent(useDoc)
+          if (forceRemote) {
+            this.previewRevision.update((revision) => revision + 1)
+          }
           this.titleSubject
             .pipe(
               debounceTime(1000),