feat: integrate EmojiPickerProvider and add emoji selector shortcut

- Wrapped the layout with EmojiPickerProvider to enable emoji selection functionality.
- Added a new keyboard shortcut (Ctrl/Cmd + Space) for opening the emoji selector, enhancing user experience.

src/app/layout.tsx

@@ -10,6 +10,7 @@ import { userPreferencesService } from '@/services/core/user-preferences';
 import { KeyboardShortcuts } from '@/components/KeyboardShortcuts';
 import { GlobalKeyboardShortcuts } from '@/components/GlobalKeyboardShortcuts';
 import { ToastProvider } from '@/components/ui/Toast';
+import { EmojiPickerProvider } from '@/contexts/EmojiPickerContext';
 import { AuthProvider } from '../components/AuthProvider';
 import { getServerSession } from 'next-auth';
 import { authOptions } from '@/lib/auth';
@@ -50,32 +51,36 @@ export default async function RootLayout({
       >
         <AuthProvider>
           <ToastProvider>
-            <ThemeProvider
-              initialTheme={
-                initialPreferences?.viewPreferences.theme || 'light'
-              }
-              userPreferredTheme={
-                initialPreferences?.viewPreferences.theme === 'light'
-                  ? 'dark'
-                  : initialPreferences?.viewPreferences.theme || 'light'
-              }
-            >
-              <KeyboardShortcutsProvider>
-                <KeyboardShortcuts />
-                <JiraConfigProvider
-                  config={initialPreferences?.jiraConfig || { enabled: false }}
-                >
-                  <UserPreferencesProvider
-                    initialPreferences={initialPreferences}
+            <EmojiPickerProvider>
+              <ThemeProvider
+                initialTheme={
+                  initialPreferences?.viewPreferences.theme || 'light'
+                }
+                userPreferredTheme={
+                  initialPreferences?.viewPreferences.theme === 'light'
+                    ? 'dark'
+                    : initialPreferences?.viewPreferences.theme || 'light'
+                }
+              >
+                <KeyboardShortcutsProvider>
+                  <KeyboardShortcuts />
+                  <JiraConfigProvider
+                    config={
+                      initialPreferences?.jiraConfig || { enabled: false }
+                    }
                   >
-                    <BackgroundProvider>
-                      <GlobalKeyboardShortcuts />
-                      {children}
-                    </BackgroundProvider>
-                  </UserPreferencesProvider>
-                </JiraConfigProvider>
-              </KeyboardShortcutsProvider>
-            </ThemeProvider>
+                    <UserPreferencesProvider
+                      initialPreferences={initialPreferences}
+                    >
+                      <BackgroundProvider>
+                        <GlobalKeyboardShortcuts />
+                        {children}
+                      </BackgroundProvider>
+                    </UserPreferencesProvider>
+                  </JiraConfigProvider>
+                </KeyboardShortcutsProvider>
+              </ThemeProvider>
+            </EmojiPickerProvider>
           </ToastProvider>
         </AuthProvider>
       </body>

src/contexts/EmojiPickerContext.tsx

@@ -0,0 +1,183 @@
+'use client';
+
+import {
+  createContext,
+  useContext,
+  useState,
+  useEffect,
+  ReactNode,
+} from 'react';
+import { createPortal } from 'react-dom';
+import { EmojiPicker } from '@/components/ui/Emoji';
+
+interface EmojiPickerContextType {
+  isOpen: boolean;
+  position: { top: number; left: number };
+  targetInput: HTMLInputElement | HTMLTextAreaElement | null;
+  openEmojiPicker: (input: HTMLInputElement | HTMLTextAreaElement) => void;
+  closeEmojiPicker: () => void;
+  insertEmoji: (emoji: string) => void;
+}
+
+const EmojiPickerContext = createContext<EmojiPickerContextType | undefined>(
+  undefined
+);
+
+export function EmojiPickerProvider({ children }: { children: ReactNode }) {
+  const [isOpen, setIsOpen] = useState(false);
+  const [position, setPosition] = useState({ top: 0, left: 0 });
+  const [targetInput, setTargetInput] = useState<
+    HTMLInputElement | HTMLTextAreaElement | null
+  >(null);
+
+  const openEmojiPicker = (input: HTMLInputElement | HTMLTextAreaElement) => {
+    const rect = input.getBoundingClientRect();
+
+    let top = rect.top + 40; // Position fixe à 40px du haut de l'input
+    const left = rect.left;
+
+    // Pour les textarea, positionner près du curseur réel
+    if (input.tagName === 'TEXTAREA') {
+      const textarea = input as HTMLTextAreaElement;
+
+      // Calculer la position du curseur dans le textarea
+      const selectionStart = textarea.selectionStart || 0;
+      const textBeforeCursor = textarea.value.substring(0, selectionStart);
+
+      // Compter les lignes avant le curseur
+      const linesBeforeCursor = textBeforeCursor.split('\n').length - 1;
+      const lineHeight =
+        parseInt(window.getComputedStyle(textarea).lineHeight) || 20;
+
+      // Calculer la position du curseur
+      const cursorTop =
+        rect.top + linesBeforeCursor * lineHeight + lineHeight * 0.5;
+
+      // Positionner le picker près du curseur
+      top = Math.min(
+        cursorTop + 4,
+        rect.bottom - 200 // Ne pas dépasser le bas du textarea
+      );
+
+      // S'assurer que le picker reste dans la viewport
+      top = Math.max(top, 100); // Au moins 100px du haut de la page
+    }
+
+    setPosition({ top, left });
+    setTargetInput(input);
+    setIsOpen(true);
+  };
+
+  const closeEmojiPicker = () => {
+    setIsOpen(false);
+    setTargetInput(null);
+  };
+
+  const insertEmoji = (emoji: string) => {
+    if (targetInput) {
+      const start = targetInput.selectionStart || 0;
+      const end = targetInput.selectionEnd || 0;
+      const value = targetInput.value;
+
+      const newValue = value.slice(0, start) + emoji + value.slice(end);
+      targetInput.value = newValue;
+
+      // Déclencher l'événement change pour React
+      const event = new Event('input', { bubbles: true });
+      targetInput.dispatchEvent(event);
+
+      // Repositionner le curseur après l'emoji
+      const newPosition = start + emoji.length;
+      targetInput.setSelectionRange(newPosition, newPosition);
+
+      closeEmojiPicker();
+    }
+  };
+
+  // Gérer les raccourcis clavier globaux
+  useEffect(() => {
+    const handleKeyDown = (e: KeyboardEvent) => {
+      // Ctrl+Cmd+Space (les deux touches ensemble)
+      if (e.ctrlKey && e.metaKey && e.code === 'Space') {
+        const activeElement = document.activeElement;
+
+        // Vérifier si l'élément actif est un input ou textarea
+        if (
+          activeElement &&
+          (activeElement.tagName === 'INPUT' ||
+            activeElement.tagName === 'TEXTAREA')
+        ) {
+          e.preventDefault();
+          openEmojiPicker(
+            activeElement as HTMLInputElement | HTMLTextAreaElement
+          );
+        }
+      }
+
+      // Échapper pour fermer
+      if (e.key === 'Escape' && isOpen) {
+        closeEmojiPicker();
+      }
+    };
+
+    document.addEventListener('keydown', handleKeyDown);
+    return () => document.removeEventListener('keydown', handleKeyDown);
+  }, [isOpen]);
+
+  // Fermer quand on clique ailleurs
+  useEffect(() => {
+    if (!isOpen) return;
+
+    const handleClickOutside = (e: MouseEvent) => {
+      const target = e.target as Element;
+      if (!target.closest('[data-emoji-picker]')) {
+        closeEmojiPicker();
+      }
+    };
+
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => document.removeEventListener('mousedown', handleClickOutside);
+  }, [isOpen]);
+
+  return (
+    <EmojiPickerContext.Provider
+      value={{
+        isOpen,
+        position,
+        targetInput,
+        openEmojiPicker,
+        closeEmojiPicker,
+        insertEmoji,
+      }}
+    >
+      {children}
+
+      {/* Emoji Picker Portal */}
+      {isOpen &&
+        typeof window !== 'undefined' &&
+        createPortal(
+          <div
+            data-emoji-picker
+            className="fixed z-[99999] bg-[var(--card)] border border-[var(--border)] rounded-lg shadow-2xl"
+            style={{
+              top: `${position.top}px`,
+              left: `${position.left}px`,
+            }}
+          >
+            <EmojiPicker onEmojiSelect={insertEmoji} />
+          </div>,
+          document.body
+        )}
+    </EmojiPickerContext.Provider>
+  );
+}
+
+export function useEmojiPicker() {
+  const context = useContext(EmojiPickerContext);
+  if (context === undefined) {
+    throw new Error(
+      'useEmojiPicker must be used within an EmojiPickerProvider'
+    );
+  }
+  return context;
+}

src/contexts/KeyboardShortcutsContext.tsx

@@ -48,6 +48,11 @@ const PAGE_SHORTCUTS: PageShortcuts = {
       description: 'Fermer les modales/annuler',
       category: 'Navigation',
     },
+    {
+      keys: ['Ctrl', 'Cmd', 'Space'],
+      description: "Ouvrir le sélecteur d'emoji",
+      category: 'Édition',
+    },
   ],
 
   // Dashboard