fix: TOC PDF - forcer le rechargement de l'iframe (BUG-063 complement)

tests/e2e/pdf-viewer.spec.js

@@ -101,9 +101,11 @@ test.describe('PDF viewer — TOC & plein largeur', () => {
     await expect(tocLinks).toHaveCount(3, { timeout: 10000 });
 
     await page.locator('#content-area .pdf-toc a[data-page="3"]').click();
+    // Le changement de query force un rechargement (un simple changement de
+    // fragment est ignoré par le lecteur PDF natif), puis #page=3 est appliqué.
     await expect(page.locator('#content-area .pdf-iframe')).toHaveAttribute(
       'src',
-      /\/pdf\/stream\?path=.*#page=3$/,
+      /\/pdf\/stream\?path=.*&_pdfpage=\d+#page=3$/,
       { timeout: 5000 },
     );
   });

tests/frontend/pdf-viewer.test.mjs

@@ -67,11 +67,15 @@ test("viewer.js — TOC links carry a data-page and never poke contentWindow", (
   );
 });
 
-test("viewer.js — navigatePdfToPage reloads the iframe with the #page fragment", () => {
+test("viewer.js — navigatePdfToPage forces a reload with the #page fragment", () => {
   const fn = viewer.match(/export function navigatePdfToPage\(area, page\) \{([\s\S]*?)\n\}/);
   assert.ok(fn, "navigatePdfToPage helper not found");
   assert.match(fn[1], /data-pdf-url/, "the base URL must be preserved without the fragment");
-  assert.match(fn[1], /iframe\.src = `\$\{base\}#page=\$\{page\}`/, "the iframe must be reloaded with #page=N");
+  assert.match(
+    fn[1],
+    /_pdfpage=\$\{Date\.now\(\)\}#page=\$\{page\}/,
+    "the query must change to force a reload (a fragment-only change is ignored by the native viewer)",
+  );
 });
 
 test("style.css — full-bleed viewers ignore the centered reading width", () => {