fix: viewer PDF (TOC, largeur) et plein ecran assistant (BUG-061 a BUG-063)

tests/frontend/pdf-viewer.test.mjs

@@ -39,12 +39,12 @@ test("viewer.js — PDF branch renders the stream in an <iframe class=pdf-iframe
   assert.ok(block, "PDF render block not found");
   assert.match(
     block[1],
-    /<iframe src="\$\{pdfUrl\}" class="pdf-iframe"/,
+    /<iframe src="\$\{pdfUrl\}" data-pdf-url="\$\{pdfUrl\}" class="pdf-iframe"/,
     "PDF must use <iframe>, not <embed>/<object> (CSP object-src 'none' otherwise blocks it)",
   );
   assert.match(
     block[1],
-    /\.pdf-iframe[\s\S]*?src="\$\{pdfUrl\}"/,
+    /<iframe src="\$\{pdfUrl\}"/,
     "iframe src must come from the /pdf/stream URL",
   );
 });
@@ -54,12 +54,37 @@ test("viewer.js — no <embed>/<object> left in the source", () => {
   assert.doesNotMatch(viewer, /<object\b/i, "<object> is blocked by CSP object-src 'none'");
 });
 
-test("viewer.js — TOC still targets the pdf-iframe via contentWindow", () => {
+test("viewer.js — TOC links carry a data-page and never poke contentWindow", () => {
   assert.match(
     viewer,
-    /document\.querySelector\('\.pdf-iframe'\)\.contentWindow\.location\.hash='page=\$\{item\.page\}'/,
-    "TOC links must keep navigating the iframe",
+    /<a href="#" data-page="\$\{item\.page\}">/,
+    "TOC links must expose the target page via data-page",
   );
+  assert.doesNotMatch(
+    viewer,
+    /contentWindow\.location\.hash\s*=/,
+    "contentWindow is about:blank in the native PDF viewer: hash navigation never reaches the document",
+  );
+});
+
+test("viewer.js — navigatePdfToPage reloads the iframe 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");
+});
+
+test("style.css — full-bleed viewers ignore the centered reading width", () => {
+  assert.match(
+    css,
+    /\.sidebar\.hidden ~ \.content-wrapper \.content-area:has\(\.pdf-viewer-container\)/,
+    "PDF viewer must fill the width when the navigation sidebar is hidden",
+  );
+  const rule = css.match(
+    /\.content-area:has\(\.pdf-viewer-container\)[\s\S]*?\{([^}]*)\}/,
+  );
+  assert.ok(rule, "full-bleed rule not found");
+  assert.match(rule[1], /max-width:\s*none/, "the 1200px reading cap must be lifted");
 });
 
 // ── backend : la CSP autorise le cadre same-origin ─────────────────────────