feat: barre d'outils de lecture epinglee, coloration syntaxique des fichiers de code et avatars predefinis (#115, #117, BUG-078)

tests/frontend/toolbar-order.test.mjs

@@ -111,6 +111,30 @@ test("style.css — .action-sep rule exists", () => {
   assert.match(css, /\.file-actions \.action-sep\s*\{[^}]*background:[^;]*;/);
 });
 
+// ── #115 : barre d'outils collante au défilement ─────────────────────────
+test("viewer.js — action bar wrapped in a sticky .file-toolbar", () => {
+  assert.match(viewer, /class:\s*"file-toolbar"[\s\S]{0,120}file-actions/,
+    "the document action bar must live in a .file-toolbar wrapper");
+});
+
+test("popout.html — action bar wrapped in a .file-toolbar", () => {
+  assert.match(popout, /className\s*=\s*"file-toolbar"/,
+    "popout action bar must live in a .file-toolbar wrapper");
+});
+
+test("style.css — .file-toolbar is pinned to the top while scrolling", () => {
+  const m = css.match(/\.file-toolbar\s*\{([\s\S]*?)\}/);
+  assert.ok(m, ".file-toolbar rule missing");
+  assert.match(m[1], /position:\s*sticky/, ".file-toolbar must be sticky");
+  assert.match(m[1], /top:\s*0/, ".file-toolbar must pin to the top");
+  assert.match(m[1], /background:/, ".file-toolbar needs an opaque background");
+});
+
+test("style.css — reading mode hides the sticky toolbar", () => {
+  assert.match(css, /body\.reading-mode\s+\.file-toolbar\s*[,{]/,
+    "reading mode must hide .file-toolbar");
+});
+
 if (process.exitCode) {
   console.error("\nToolbar order tests FAILED");
 } else {