diff --git a/frontend/index.html b/frontend/index.html
index 8a16a63..2c8bc4d 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -979,6 +979,61 @@
                                     id="dashboard-conflicts-container"
                                     style="margin-top: 16px"
                                 ></div>
+                                <!-- Quick Help -->
+                                <div class="quick-help" id="quick-help">
+                                    <div class="qh-header">
+                                        <i data-lucide="keyboard" style="width:16px;height:16px"></i>
+                                        <span>Raccourcis &amp; Astuces</span>
+                                        <button class="qh-toggle" id="qh-toggle" title="Masquer" aria-label="Masquer l'aide">&minus;</button>
+                                    </div>
+                                    <div class="qh-body" id="qh-body">
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+Shift+Space</span>
+                                            <span class="qh-desc">Palette de commandes</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+Alt+Space</span>
+                                            <span class="qh-desc">Palette de fichiers (navigation rapide)</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+K</span>
+                                            <span class="qh-desc">Focus barre de recherche</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">/</span>
+                                            <span class="qh-desc">Recherche rapide (hors champ texte)</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+S</span>
+                                            <span class="qh-desc">Sauvegarder le fichier ouvert</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+F</span>
+                                            <span class="qh-desc">Rechercher dans le document</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Esc</span>
+                                            <span class="qh-desc">Fermer l'editeur / modale</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Ctrl+J</span>
+                                            <span class="qh-desc">Completion IA inline (dans l'editeur)</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">Alt+I</span>
+                                            <span class="qh-desc">Insertion rapide (editeur Forge)</span>
+                                        </div>
+                                        <div class="qh-row">
+                                            <span class="qh-kbd">F1</span>
+                                            <span class="qh-desc">Aide de l'editeur Forge</span>
+                                        </div>
+                                        <div class="qh-divider"></div>
+                                        <div class="qh-tip">
+                                            <i data-lucide="lightbulb" style="width:14px;height:14px"></i>
+                                            <span>Survolez un document avec <strong>Ctrl</strong> pour un apercu rapide. Cliquez sur <strong>Forge</strong> dans la barre d'outils pour l'editeur avance.</span>
+                                        </div>
+                                    </div>
+                                </div>
                             </div>
 
                             <!-- Bookmarks Panel -->
diff --git a/frontend/js/dashboard.js b/frontend/js/dashboard.js
index b1f89d7..7bc2e11 100644
--- a/frontend/js/dashboard.js
+++ b/frontend/js/dashboard.js
@@ -395,6 +395,24 @@ const DashboardRecentWidget = {
     }
 
     this.populateVaultFilter();
+
+    // Quick Help toggle (with localStorage persistence)
+    var qhToggle = document.getElementById('qh-toggle');
+    var qhBody = document.getElementById('qh-body');
+    if (qhToggle && qhBody) {
+      // Restore saved state
+      if (localStorage.getItem('obsigate-qh-collapsed') === '1') {
+        qhBody.classList.add('collapsed');
+        qhToggle.textContent = '+';
+        qhToggle.title = 'Afficher';
+      }
+      qhToggle.addEventListener('click', function() {
+        var collapsed = qhBody.classList.toggle('collapsed');
+        qhToggle.textContent = collapsed ? '+' : '\u2212';
+        qhToggle.title = collapsed ? 'Afficher' : 'Masquer';
+        localStorage.setItem('obsigate-qh-collapsed', collapsed ? '1' : '0');
+      });
+    }
   },
 };
 
diff --git a/frontend/style.css b/frontend/style.css
index 1703e09..5704d4a 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -6446,6 +6446,88 @@ body.popup-mode .content-area {
 }
 .conflict-btn:hover { background: var(--bg-hover); }
 
+/* ── Quick Help (Dashboard) ── */
+.quick-help {
+  margin-top: 16px;
+  background: var(--bg-card, var(--bg-secondary));
+  border: 1px solid var(--border);
+  border-radius: var(--radius-lg);
+  overflow: hidden;
+}
+.qh-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 14px;
+  font-size: 0.8rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  border-bottom: 1px solid var(--border);
+  user-select: none;
+}
+.qh-header i { color: var(--accent); opacity: 0.7; }
+.qh-toggle {
+  margin-left: auto;
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 1rem;
+  line-height: 1;
+  padding: 2px 6px;
+  border-radius: 4px;
+}
+.qh-toggle:hover { color: var(--text-secondary); background: var(--bg-hover); }
+.qh-body {
+  padding: 10px 14px 14px;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
+  gap: 6px 20px;
+}
+.qh-body.collapsed { display: none; }
+.qh-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 4px 0;
+}
+.qh-kbd {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  font-family: var(--mono);
+  font-size: 0.7rem;
+  font-weight: 500;
+  color: var(--accent-text, #79c0ff);
+  background: var(--accent-bg, #1f2a3a);
+  border: 1px solid var(--border-md, #30363d);
+  border-radius: 4px;
+  white-space: nowrap;
+  min-width: 0;
+  letter-spacing: 0.3px;
+}
+.qh-desc {
+  font-size: 0.78rem;
+  color: var(--text-secondary);
+}
+.qh-divider {
+  grid-column: 1 / -1;
+  height: 1px;
+  background: var(--border);
+  margin: 6px 0 8px;
+}
+.qh-tip {
+  grid-column: 1 / -1;
+  display: flex;
+  align-items: flex-start;
+  gap: 8px;
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  line-height: 1.5;
+}
+.qh-tip i { color: var(--warn); flex-shrink: 0; margin-top: 1px; }
+.qh-tip strong { color: var(--text-secondary); }
+
 /* ── Webhooks UI ── */
 .webhook-item {
   display: flex;