feat: add note templates system with 10 pre-built templates

- Create noteTemplates.ts with 10 default templates (Meeting, Daily Journal, Project Planning, etc.)
- Add TemplateSelector component with search and category filtering
- Integrate template selector in desktop and mobile note creation flows
- Support automatic todo creation from templates
- Organize templates by category (Travail, Personnel, Créativité, Autre)

src/components/TemplateSelector.tsx

@@ -0,0 +1,126 @@
+import { useState } from "react";
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription } from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import { Button } from "@/components/ui/button";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { Badge } from "@/components/ui/badge";
+import { Search, Sparkles } from "lucide-react";
+import { DEFAULT_TEMPLATES, getTemplatesByCategory, searchTemplates, type NoteTemplate } from "@/utils/noteTemplates";
+
+interface TemplateSelectorProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  onSelectTemplate: (template: NoteTemplate) => void;
+}
+
+export function TemplateSelector({ open, onOpenChange, onSelectTemplate }: TemplateSelectorProps) {
+  const [searchQuery, setSearchQuery] = useState("");
+
+  const templates = searchQuery.trim()
+    ? searchTemplates(searchQuery)
+    : DEFAULT_TEMPLATES;
+
+  const templatesByCategory = getTemplatesByCategory();
+
+  const handleSelectTemplate = (template: NoteTemplate) => {
+    onSelectTemplate(template);
+    onOpenChange(false);
+    setSearchQuery("");
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="max-w-3xl max-h-[80vh]">
+        <DialogHeader>
+          <DialogTitle className="flex items-center gap-2">
+            <Sparkles className="h-5 w-5 text-primary" />
+            Choisir un template
+          </DialogTitle>
+          <DialogDescription>
+            Démarrez rapidement avec un modèle prédéfini
+          </DialogDescription>
+        </DialogHeader>
+
+        {/* Search */}
+        <div className="relative">
+          <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+          <Input
+            placeholder="Rechercher un template..."
+            value={searchQuery}
+            onChange={(e) => setSearchQuery(e.target.value)}
+            className="pl-9"
+          />
+        </div>
+
+        {/* Templates Grid */}
+        <ScrollArea className="h-[400px] pr-4">
+          {searchQuery.trim() ? (
+            // Search Results
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+              {templates.map((template) => (
+                <TemplateCard
+                  key={template.id}
+                  template={template}
+                  onClick={() => handleSelectTemplate(template)}
+                />
+              ))}
+              {templates.length === 0 && (
+                <div className="col-span-2 text-center py-8 text-muted-foreground">
+                  Aucun template trouvé
+                </div>
+              )}
+            </div>
+          ) : (
+            // Templates by Category
+            <div className="space-y-6">
+              {Array.from(templatesByCategory.entries()).map(([category, categoryTemplates]) => (
+                <div key={category}>
+                  <h3 className="font-semibold mb-3 text-sm text-muted-foreground uppercase tracking-wide">
+                    {category}
+                  </h3>
+                  <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+                    {categoryTemplates.map((template) => (
+                      <TemplateCard
+                        key={template.id}
+                        template={template}
+                        onClick={() => handleSelectTemplate(template)}
+                      />
+                    ))}
+                  </div>
+                </div>
+              ))}
+            </div>
+          )}
+        </ScrollArea>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
+interface TemplateCardProps {
+  template: NoteTemplate;
+  onClick: () => void;
+}
+
+function TemplateCard({ template, onClick }: TemplateCardProps) {
+  return (
+    <Button
+      variant="outline"
+      className="h-auto p-4 flex flex-col items-start gap-2 hover:bg-accent hover:border-primary transition-all"
+      onClick={onClick}
+    >
+      <div className="flex items-center gap-2 w-full">
+        <span className="text-2xl">{template.icon}</span>
+        <span className="font-semibold text-left flex-1">{template.name}</span>
+      </div>
+      <p className="text-sm text-muted-foreground text-left">
+        {template.description}
+      </p>
+      {template.todos && template.todos.length > 0 && (
+        <Badge variant="secondary" className="text-xs">
+          {template.todos.length} tâche{template.todos.length > 1 ? 's' : ''}
+        </Badge>
+      )}
+    </Button>
+  );
+}

src/pages/Index.tsx

@@ -34,6 +34,8 @@ import { AddUserModal } from "@/components/modals/AddUserModal";
 import { compressImage, formatFileSize } from "@/utils/imageCompression";
 import { ModeToggle } from "@/components/mode-toggle";
 import { downloadNoteAsMarkdown, downloadAllNotesAsMarkdown, downloadTodosAsMarkdown } from "@/utils/markdownExport";
+import { TemplateSelector } from "@/components/TemplateSelector";
+import type { NoteTemplate } from "@/utils/noteTemplates";
 
 // ===== FONCTIONS UTILITAIRES TIMEZONE EUROPE/PARIS =====
 
@@ -147,6 +149,7 @@ const Index = () => {
   const [addUserModal, setAddUserModal] = useState(false);
   const [deleteUserModal, setDeleteUserModal] = useState<{ open: boolean, userId?: number }>({ open: false });
   const [changePasswordModal, setChangePasswordModal] = useState<{ open: boolean, userId?: number }>({ open: false });
+  const [templateSelectorOpen, setTemplateSelectorOpen] = useState(false);
   const [addNoteTodoModal, setAddNoteTodoModal] = useState(false);
   const [addTagModal, setAddTagModal] = useState(false);
   const [selectedImage, setSelectedImage] = useState<string | null>(null);
@@ -410,13 +413,33 @@ const Index = () => {
     navigate("/login");
   };
 
-  const handleCreateNote = async () => {
+  const handleCreateNote = () => {
+    setTemplateSelectorOpen(true);
+  };
+
+  const handleCreateNoteFromTemplate = async (template: NoteTemplate) => {
     try {
-      const newNote = await NotesService.createNote("Nouvelle note");
+      const title = template.name === "Note vide" ? "Nouvelle note" : template.name;
+      const newNote = await NotesService.createNote(title, template.content);
       if (newNote) {
+        // Add todos if template has any
+        if (template.todos && template.todos.length > 0) {
+          for (const todo of template.todos) {
+            await NotesService.addTodo(newNote.id!, todo.text);
+          }
+          // Reload note to get the todos
+          const notes = await NotesService.getNotes();
+          const updatedNote = notes.find(n => n.id === newNote.id);
+          if (updatedNote) {
+            setNotes([updatedNote, ...notes.filter(n => n.id !== newNote.id)]);
+            setOpenNote(updatedNote);
+          }
+        } else {
           setNotes([newNote, ...notes]);
           setOpenNote(newNote);
         }
+        showSuccess("Note créée depuis le template");
+      }
     } catch (error) {
       showError("Erreur lors de la création de la note");
     }
@@ -2287,6 +2310,13 @@ const Index = () => {
         confirmText="Ajouter"
       />
 
+      {/* Template Selector */}
+      <TemplateSelector
+        open={templateSelectorOpen}
+        onOpenChange={setTemplateSelectorOpen}
+        onSelectTemplate={handleCreateNoteFromTemplate}
+      />
+
       {/* Add Event Modal */}
       <Dialog open={addEventModal} onOpenChange={setAddEventModal}>
         <DialogContent className="max-w-2xl max-h-[90vh] overflow-y-auto">

src/pages/mobile/NotesPage.tsx

@@ -8,6 +8,8 @@ import { MobileCard } from "@/components/mobile/MobileCard";
 import { Plus, Search, CheckSquare, Image as ImageIcon, Paperclip, Tag as TagIcon, FileText } from "lucide-react";
 import NotesService, { Note } from "@/services/NotesService";
 import { showError, showSuccess } from "@/utils/toast";
+import { TemplateSelector } from "@/components/TemplateSelector";
+import type { NoteTemplate } from "@/utils/noteTemplates";
 
 const NOTES_PER_PAGE = 10;
 
@@ -16,6 +18,7 @@ export default function NotesPage() {
   const [searchQuery, setSearchQuery] = useState("");
   const [showArchived, setShowArchived] = useState(false);
   const [page, setPage] = useState(0);
+  const [templateSelectorOpen, setTemplateSelectorOpen] = useState(false);
   const navigate = useNavigate();
 
   const loadNotes = async () => {
@@ -48,10 +51,24 @@ export default function NotesPage() {
   const totalPages = Math.ceil(filteredNotes.length / NOTES_PER_PAGE);
   const paginatedNotes = filteredNotes.slice(page * NOTES_PER_PAGE, (page + 1) * NOTES_PER_PAGE);
 
-  const handleCreateNote = async () => {
+  const handleCreateNote = () => {
+    setTemplateSelectorOpen(true);
+  };
+
+  const handleCreateNoteFromTemplate = async (template: NoteTemplate) => {
     try {
-      const newNote = await NotesService.createNote("Nouvelle note", "");
+      const title = template.name === "Note vide" ? "Nouvelle note" : template.name;
+      const newNote = await NotesService.createNote(title, template.content);
+      if (newNote) {
+        // Add todos if template has any
+        if (template.todos && template.todos.length > 0) {
+          for (const todo of template.todos) {
+            await NotesService.addTodo(newNote.id!, todo.text);
+          }
+        }
+        showSuccess("Note créée depuis le template");
         navigate(`/mobile/notes/${newNote.id}`);
+      }
     } catch (error) {
       showError("Erreur lors de la création de la note");
     }
@@ -238,6 +255,13 @@ export default function NotesPage() {
 
       {/* FAB */}
       <MobileFAB icon={Plus} onClick={handleCreateNote} label="Créer une note" />
+
+      {/* Template Selector */}
+      <TemplateSelector
+        open={templateSelectorOpen}
+        onOpenChange={setTemplateSelectorOpen}
+        onSelectTemplate={handleCreateNoteFromTemplate}
+      />
     </div>
   );
 }

src/utils/noteTemplates.ts

@@ -0,0 +1,363 @@
+export interface NoteTemplate {
+  id: string;
+  name: string;
+  description: string;
+  icon: string;
+  category: string;
+  content: string;
+  todos?: Array<{ text: string; completed: boolean }>;
+}
+
+export const DEFAULT_TEMPLATES: NoteTemplate[] = [
+  {
+    id: 'blank',
+    name: 'Note vide',
+    description: 'Commencer avec une page blanche',
+    icon: '📄',
+    category: 'Général',
+    content: '',
+    todos: []
+  },
+  {
+    id: 'meeting',
+    name: 'Réunion',
+    description: 'Notes de réunion structurées',
+    icon: '🤝',
+    category: 'Travail',
+    content: `<h2>Réunion - [Titre]</h2>
+<p><strong>Date:</strong> ${new Date().toLocaleDateString('fr-FR')}</p>
+<p><strong>Participants:</strong> </p>
+<p><strong>Objectif:</strong> </p>
+
+<h3>Points discutés</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>Décisions</h3>
+<p>• </p>
+
+<h3>Prochaines étapes</h3>
+<p>→ </p>`,
+    todos: [
+      { text: 'Envoyer le compte-rendu', completed: false },
+      { text: 'Planifier le suivi', completed: false }
+    ]
+  },
+  {
+    id: 'daily-journal',
+    name: 'Journal quotidien',
+    description: 'Réflexions et gratitude du jour',
+    icon: '📔',
+    category: 'Personnel',
+    content: `<h2>Journal - ${new Date().toLocaleDateString('fr-FR', { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' })}</h2>
+
+<h3>🌅 Ce matin je me sens...</h3>
+<p></p>
+
+<h3>🎯 Mes priorités aujourd'hui</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>💡 Idées et réflexions</h3>
+<p></p>
+
+<h3>🙏 Gratitude</h3>
+<p>Aujourd'hui je suis reconnaissant(e) pour:</p>
+<p>• </p>
+
+<h3>🌙 Bilan de la journée</h3>
+<p></p>`,
+    todos: []
+  },
+  {
+    id: 'project-planning',
+    name: 'Planification de projet',
+    description: 'Organiser un nouveau projet',
+    icon: '🎯',
+    category: 'Travail',
+    content: `<h2>Projet - [Nom du projet]</h2>
+
+<h3>📋 Vue d'ensemble</h3>
+<p><strong>Objectif:</strong> </p>
+<p><strong>Deadline:</strong> </p>
+<p><strong>Responsable:</strong> </p>
+
+<h3>🎯 Objectifs</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>📊 Phases du projet</h3>
+<p><strong>Phase 1:</strong> Préparation</p>
+<p>• </p>
+
+<p><strong>Phase 2:</strong> Développement</p>
+<p>• </p>
+
+<p><strong>Phase 3:</strong> Finalisation</p>
+<p>• </p>
+
+<h3>👥 Équipe</h3>
+<p>• </p>
+
+<h3>⚠️ Risques identifiés</h3>
+<p>• </p>
+
+<h3>📌 Ressources nécessaires</h3>
+<p>• </p>`,
+    todos: [
+      { text: 'Définir le scope', completed: false },
+      { text: 'Assembler l\'équipe', completed: false },
+      { text: 'Créer le planning', completed: false }
+    ]
+  },
+  {
+    id: 'brainstorming',
+    name: 'Brainstorming',
+    description: 'Session de génération d\'idées',
+    icon: '💭',
+    category: 'Créativité',
+    content: `<h2>💭 Brainstorming - [Sujet]</h2>
+
+<p><strong>Date:</strong> ${new Date().toLocaleDateString('fr-FR')}</p>
+<p><strong>Question centrale:</strong> </p>
+
+<h3>💡 Idées</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+<p>4. </p>
+<p>5. </p>
+
+<h3>⭐ Idées à creuser</h3>
+<p>• </p>
+
+<h3>🚀 Actions possibles</h3>
+<p>→ </p>
+
+<h3>🔗 Connexions et insights</h3>
+<p></p>`,
+    todos: []
+  },
+  {
+    id: 'recipe',
+    name: 'Recette de cuisine',
+    description: 'Noter une recette',
+    icon: '👨‍🍳',
+    category: 'Personnel',
+    content: `<h2>🍳 Recette - [Nom du plat]</h2>
+
+<p><strong>⏱️ Temps de préparation:</strong> </p>
+<p><strong>👥 Portions:</strong> </p>
+<p><strong>😋 Difficulté:</strong> Facile / Moyen / Difficile</p>
+
+<h3>📝 Ingrédients</h3>
+<p>• </p>
+
+<h3>👨‍🍳 Préparation</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>💡 Astuces</h3>
+<p>• </p>
+
+<h3>📌 Notes</h3>
+<p></p>`,
+    todos: []
+  },
+  {
+    id: 'weekly-review',
+    name: 'Revue hebdomadaire',
+    description: 'Bilan et planification de la semaine',
+    icon: '📊',
+    category: 'Productivité',
+    content: `<h2>📊 Revue de la semaine</h2>
+<p><strong>Semaine du:</strong> ${new Date().toLocaleDateString('fr-FR')}</p>
+
+<h3>✅ Accomplissements</h3>
+<p>Cette semaine j'ai réussi à:</p>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>📈 Progrès</h3>
+<p>• </p>
+
+<h3>⚠️ Défis rencontrés</h3>
+<p>• </p>
+
+<h3>💡 Leçons apprises</h3>
+<p>• </p>
+
+<h3>🎯 Objectifs semaine prochaine</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>🔄 Habitudes à améliorer</h3>
+<p>• </p>`,
+    todos: [
+      { text: 'Planifier la semaine prochaine', completed: false }
+    ]
+  },
+  {
+    id: 'bug-report',
+    name: 'Rapport de bug',
+    description: 'Documenter un problème technique',
+    icon: '🐛',
+    category: 'Développement',
+    content: `<h2>🐛 Bug Report</h2>
+
+<p><strong>Date:</strong> ${new Date().toLocaleDateString('fr-FR')}</p>
+<p><strong>Priorité:</strong> 🔴 Critique / 🟠 Haute / 🟡 Moyenne / 🟢 Basse</p>
+<p><strong>Statut:</strong> Nouveau / En cours / Résolu</p>
+
+<h3>📋 Description</h3>
+<p></p>
+
+<h3>🔄 Étapes pour reproduire</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>✅ Résultat attendu</h3>
+<p></p>
+
+<h3>❌ Résultat actuel</h3>
+<p></p>
+
+<h3>💻 Environnement</h3>
+<p><strong>OS:</strong> </p>
+<p><strong>Navigateur:</strong> </p>
+<p><strong>Version:</strong> </p>
+
+<h3>📌 Notes additionnelles</h3>
+<p></p>
+
+<h3>🔧 Solution proposée</h3>
+<p></p>`,
+    todos: [
+      { text: 'Reproduire le bug', completed: false },
+      { text: 'Identifier la cause', completed: false },
+      { text: 'Implémenter le fix', completed: false },
+      { text: 'Tester la solution', completed: false }
+    ]
+  },
+  {
+    id: 'learning-notes',
+    name: 'Notes d\'apprentissage',
+    description: 'Apprendre un nouveau sujet',
+    icon: '📚',
+    category: 'Éducation',
+    content: `<h2>📚 Notes d'apprentissage - [Sujet]</h2>
+
+<p><strong>Date:</strong> ${new Date().toLocaleDateString('fr-FR')}</p>
+<p><strong>Source:</strong> </p>
+
+<h3>🎯 Objectifs d'apprentissage</h3>
+<p>• </p>
+
+<h3>📝 Concepts clés</h3>
+<p><strong>Concept 1:</strong> </p>
+<p>• </p>
+
+<p><strong>Concept 2:</strong> </p>
+<p>• </p>
+
+<h3>💡 Exemples</h3>
+<p></p>
+
+<h3>❓ Questions</h3>
+<p>• </p>
+
+<h3>🔗 Ressources</h3>
+<p>• </p>
+
+<h3>📌 À retenir</h3>
+<p>• </p>
+
+<h3>✍️ Pratique</h3>
+<p>Exercices à faire:</p>
+<p>1. </p>`,
+    todos: [
+      { text: 'Réviser les notes', completed: false },
+      { text: 'Faire les exercices', completed: false }
+    ]
+  },
+  {
+    id: 'travel-planning',
+    name: 'Planification de voyage',
+    description: 'Organiser un déplacement',
+    icon: '✈️',
+    category: 'Personnel',
+    content: `<h2>✈️ Voyage - [Destination]</h2>
+
+<p><strong>📅 Dates:</strong> du [date] au [date]</p>
+<p><strong>👥 Voyageurs:</strong> </p>
+<p><strong>💰 Budget:</strong> </p>
+
+<h3>🎒 À emporter</h3>
+<p>Vêtements:</p>
+<p>• </p>
+
+<p>Documents:</p>
+<p>• Passeport</p>
+<p>• Billets</p>
+<p>• Assurance</p>
+
+<h3>🏨 Hébergement</h3>
+<p><strong>Hôtel/Airbnb:</strong> </p>
+<p><strong>Adresse:</strong> </p>
+<p><strong>Check-in:</strong> </p>
+
+<h3>✈️ Transport</h3>
+<p><strong>Vol aller:</strong> </p>
+<p><strong>Vol retour:</strong> </p>
+
+<h3>📍 Lieux à visiter</h3>
+<p>1. </p>
+<p>2. </p>
+<p>3. </p>
+
+<h3>🍽️ Restaurants recommandés</h3>
+<p>• </p>
+
+<h3>💡 Conseils et infos pratiques</h3>
+<p>• </p>`,
+    todos: [
+      { text: 'Réserver les vols', completed: false },
+      { text: 'Réserver l\'hébergement', completed: false },
+      { text: 'Faire la valise', completed: false }
+    ]
+  }
+];
+
+export function getTemplatesByCategory(): Map<string, NoteTemplate[]> {
+  const categorized = new Map<string, NoteTemplate[]>();
+
+  DEFAULT_TEMPLATES.forEach(template => {
+    const category = template.category;
+    if (!categorized.has(category)) {
+      categorized.set(category, []);
+    }
+    categorized.get(category)!.push(template);
+  });
+
+  return categorized;
+}
+
+export function getTemplateById(id: string): NoteTemplate | undefined {
+  return DEFAULT_TEMPLATES.find(t => t.id === id);
+}
+
+export function searchTemplates(query: string): NoteTemplate[] {
+  const lowerQuery = query.toLowerCase();
+  return DEFAULT_TEMPLATES.filter(template =>
+    template.name.toLowerCase().includes(lowerQuery) ||
+    template.description.toLowerCase().includes(lowerQuery) ||
+    template.category.toLowerCase().includes(lowerQuery)
+  );
+}