diff --git a/API.md b/API.md
index 79e5330..526ae0b 100644
--- a/API.md
+++ b/API.md
@@ -1,4 +1,4 @@
-# Project Notes REST API Documentation
+# PersoNotes REST API Documentation
 
 Version: **v1**
 Base URL: `http://localhost:8080/api/v1`
@@ -20,7 +20,7 @@ Base URL: `http://localhost:8080/api/v1`
 
 ## Vue d'ensemble
 
-L'API REST de Project Notes permet de gérer vos notes Markdown via HTTP. Elle supporte :
+L'API REST de PersoNotes permet de gérer vos notes Markdown via HTTP. Elle supporte :
 
 - **Listage** : Récupérer la liste de toutes les notes avec métadonnées
 - **Lecture** : Télécharger une note en JSON ou Markdown brut
diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 0a7a6c8..895134e 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -1,6 +1,6 @@
 # Architecture Overview
 
-Project Notes is a web-based Markdown note-taking application built with a hybrid architecture combining Go backend, HTMX for interactions, and modern JavaScript for UI enhancements.
+PersoNotes is a web-based Markdown note-taking application built with a hybrid architecture combining Go backend, HTMX for interactions, and modern JavaScript for UI enhancements.
 
 ## Design Philosophy
 
@@ -68,7 +68,7 @@ User → Browser
        │          ├─ Inject file tree
        │          └─ Return HTML
        │
-       ├─ Load static/dist/project-notes-frontend.es.js (Vite bundle)
+       ├─ Load static/dist/personotes-frontend.es.js (Vite bundle)
        │  │
        │  ├─ Initialize FileTree (file-tree.js)
        │  ├─ Initialize Search (search.js)
@@ -237,8 +237,8 @@ frontend/src/
                  ↓ (Vite build)
 
 static/dist/
-├── project-notes-frontend.es.js    (1.0 MB - ES modules)
-└── project-notes-frontend.umd.js   (679 KB - UMD)
+├── personotes-frontend.es.js    (1.0 MB - ES modules)
+└── personotes-frontend.umd.js   (679 KB - UMD)
 
                  ↓ (Loaded by browser)
 
@@ -472,7 +472,7 @@ HTTP Request
 
 ```nginx
 location / {
-    auth_basic "Project Notes";
+    auth_basic "PersoNotes";
     auth_basic_user_file /etc/nginx/.htpasswd;
     proxy_pass http://localhost:8080;
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 369dfaa..864d108 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-All notable changes to Project Notes will be documented in this file.
+All notable changes to PersoNotes will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
@@ -46,7 +46,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Graceful fallback if package not installed
 
 - **About Page** ℹ️
-  - New "About Project Notes" page accessible from sidebar
+  - New "About PersoNotes" page accessible from sidebar
   - Features overview with keyboard shortcuts reference
   - Visual guide to all shortcuts with `<kbd>` styling
   - Accessible via ℹ️ button next to settings
diff --git a/CLAUDE.md b/CLAUDE.md
index 74ecf2c..c76cfeb 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -316,8 +316,8 @@ npm run build       # Compile frontend modules to static/dist/
 ```
 
 Output files (loaded by templates):
-- `static/dist/project-notes-frontend.es.js` (ES module)
-- `static/dist/project-notes-frontend.umd.js` (UMD format)
+- `static/dist/personotes-frontend.es.js` (ES module)
+- `static/dist/personotes-frontend.umd.js` (UMD format)
 
 Frontend dependencies (from `frontend/package.json`):
 - `@codemirror/basic-setup` (^0.20.0) - Base editor functionality
@@ -388,8 +388,8 @@ The frontend uses Vite (`frontend/vite.config.js`) for bundling JavaScript modul
 1. Vite reads all source files from `frontend/src/`
 2. Resolves npm dependencies (@codemirror packages)
 3. Bundles everything into two formats:
-   - ES module (`project-notes-frontend.es.js`) - 1.0 MB
-   - UMD (`project-notes-frontend.umd.js`) - 679 KB
+   - ES module (`personotes-frontend.es.js`) - 1.0 MB
+   - UMD (`personotes-frontend.umd.js`) - 679 KB
 4. Outputs to `static/dist/` where Go server can serve them
 5. Templates load the ES module version via `<script type="module">`
 
@@ -737,13 +737,13 @@ Loaded in `templates/index.html`:
 
 ### Build Output
 The Vite build process produces:
-- `static/dist/project-notes-frontend.es.js` - ES module format (1.0 MB, includes all CodeMirror 6 dependencies)
-- `static/dist/project-notes-frontend.umd.js` - UMD format (679 KB, legacy compatibility)
+- `static/dist/personotes-frontend.es.js` - ES module format (1.0 MB, includes all CodeMirror 6 dependencies)
+- `static/dist/personotes-frontend.umd.js` - UMD format (679 KB, legacy compatibility)
 
 ## Project Structure
 
 ```
-project-notes/
+personotes/
 ├── cmd/
 │   └── server/
 │       └── main.go              # Server entry point
@@ -776,8 +776,8 @@ project-notes/
 │   └── vite.config.js           # Vite build configuration
 ├── static/
 │   ├── dist/                    # Compiled frontend (generated)
-│   │   ├── project-notes-frontend.es.js
-│   │   └── project-notes-frontend.umd.js
+│   │   ├── personotes-frontend.es.js
+│   │   └── personotes-frontend.umd.js
 │   └── theme.css                # Material Darker theme
 ├── templates/
 │   ├── index.html               # Main page layout
diff --git a/IMPLEMENTATION_THEMES.md b/IMPLEMENTATION_THEMES.md
index 9542e86..f82500f 100644
--- a/IMPLEMENTATION_THEMES.md
+++ b/IMPLEMENTATION_THEMES.md
@@ -2,7 +2,7 @@
 
 ## ✅ Fonctionnalité Implémentée
 
-Un système complet de gestion de thèmes a été ajouté à Project Notes, permettant aux utilisateurs de personnaliser l'apparence de l'application.
+Un système complet de gestion de thèmes a été ajouté à PersoNotes, permettant aux utilisateurs de personnaliser l'apparence de l'application.
 
 ## 📁 Fichiers Créés
 
diff --git a/README.md b/README.md
index 849fca7..b2e5ca1 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Project Notes
+# PersoNotes
 
 A lightweight, web-based Markdown note-taking application with a Go backend and a minimalist frontend built with htmx.
 
@@ -13,7 +13,7 @@ A lightweight, web-based Markdown note-taking application with a Go backend and
 - 🛠️ Super Easy to build
 - 🚀 Powerful REST API
 
-![Project Notes Interface](image.png)
+![PersoNotes Interface](image.png)
 
 
 ## Features
@@ -56,8 +56,8 @@ A lightweight, web-based Markdown note-taking application with a Go backend and
 
 1.  **Clone the repository:**
     ```bash
-    git clone https://github.com/mathieu/project-notes.git
-    cd project-notes
+    git clone https://github.com/mathieu/personotes.git
+    cd personotes
     ```
 2.  **Download Go modules:**
     ```bash
diff --git a/cmd/server/main.go b/cmd/server/main.go
index 6c867bc..9e1cdc8 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -13,9 +13,9 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/mathieu/project-notes/internal/api"
-	"github.com/mathieu/project-notes/internal/indexer"
-	"github.com/mathieu/project-notes/internal/watcher"
+	"github.com/mathieu/personotes/internal/api"
+	"github.com/mathieu/personotes/internal/indexer"
+	"github.com/mathieu/personotes/internal/watcher"
 )
 
 func main() {
diff --git a/docs/ARCHITECTURE_OVERVIEW.md b/docs/ARCHITECTURE_OVERVIEW.md
index 76b4852..684a037 100644
--- a/docs/ARCHITECTURE_OVERVIEW.md
+++ b/docs/ARCHITECTURE_OVERVIEW.md
@@ -2,7 +2,7 @@
 
 ## Hybrid Architecture
 
-Project Notes uses a **hybrid architecture** that combines the best of multiple paradigms:
+PersoNotes uses a **hybrid architecture** that combines the best of multiple paradigms:
 
 ### Core Components
 
@@ -240,7 +240,7 @@ Internet → Reverse Proxy (nginx/Caddy)
               ↓
           Basic Auth / OAuth
               ↓
-          Project Notes (Go)
+          PersoNotes (Go)
               ↓
           Filesystem (notes/)
 ```
@@ -248,7 +248,7 @@ Internet → Reverse Proxy (nginx/Caddy)
 Example nginx config:
 ```nginx
 location / {
-    auth_basic "Project Notes";
+    auth_basic "PersoNotes";
     auth_basic_user_file /etc/nginx/.htpasswd;
     proxy_pass http://localhost:8080;
 }
diff --git a/docs/DAILY_NOTES.md b/docs/DAILY_NOTES.md
index 1f2fe57..cd0f533 100644
--- a/docs/DAILY_NOTES.md
+++ b/docs/DAILY_NOTES.md
@@ -1,6 +1,6 @@
 # Daily Notes - Documentation
 
-Les **Daily Notes** sont des notes quotidiennes permettant une prise de notes rapide et organisée par date. Cette fonctionnalité s'intègre parfaitement dans Project Notes avec un calendrier interactif et des raccourcis clavier.
+Les **Daily Notes** sont des notes quotidiennes permettant une prise de notes rapide et organisée par date. Cette fonctionnalité s'intègre parfaitement dans PersoNotes avec un calendrier interactif et des raccourcis clavier.
 
 ## 🎯 Fonctionnalités
 
@@ -385,4 +385,4 @@ if ((event.ctrlKey || event.metaKey) && event.key === 'j') {
 
 **Version** : 1.0.0
 **Date** : 2025-01-11
-**Auteur** : Project Notes Team
+**Auteur** : PersoNotes Team
diff --git a/docs/FREEBSD_BUILD.md b/docs/FREEBSD_BUILD.md
index 4542ac0..35f15fe 100644
--- a/docs/FREEBSD_BUILD.md
+++ b/docs/FREEBSD_BUILD.md
@@ -69,7 +69,7 @@ Le serveur démarre sur `http://localhost:8080`
 cp server /usr/local/bin/project-notes
 
 # Créer un utilisateur dédié
-pw useradd -n notes -c "Project Notes" -d /var/notes -s /usr/sbin/nologin
+pw useradd -n notes -c "PersoNotes" -d /var/notes -s /usr/sbin/nologin
 
 # Créer le dossier de notes
 mkdir -p /var/notes/notes
diff --git a/docs/KEYBOARD_SHORTCUTS.md b/docs/KEYBOARD_SHORTCUTS.md
index 4e1a2e6..7ad286e 100644
--- a/docs/KEYBOARD_SHORTCUTS.md
+++ b/docs/KEYBOARD_SHORTCUTS.md
@@ -1,6 +1,6 @@
-# ⌨️ Raccourcis Clavier - Project Notes
+# ⌨️ Raccourcis Clavier - PersoNotes
 
-Cette documentation liste tous les raccourcis clavier disponibles dans l'application Project Notes.
+Cette documentation liste tous les raccourcis clavier disponibles dans l'application PersoNotes.
 
 ## 📋 Liste des Raccourcis
 
diff --git a/docs/README.md b/docs/README.md
index d918000..0f16aa4 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,6 +1,6 @@
 # Documentation
 
-Ce dossier contient la documentation détaillée des fonctionnalités de Project Notes.
+Ce dossier contient la documentation détaillée des fonctionnalités de PersoNotes.
 
 ## Guides Disponibles
 
diff --git a/docs/THEMES.md b/docs/THEMES.md
index f1f09c4..972c002 100644
--- a/docs/THEMES.md
+++ b/docs/THEMES.md
@@ -2,7 +2,7 @@
 
 ## Vue d'ensemble
 
-L'application Project Notes dispose d'un système de thèmes complet permettant aux utilisateurs de personnaliser l'apparence de l'interface. Six thèmes sombres professionnels sont disponibles par défaut.
+L'application PersoNotes dispose d'un système de thèmes complet permettant aux utilisateurs de personnaliser l'apparence de l'interface. Six thèmes sombres professionnels sont disponibles par défaut.
 
 ## Thèmes Disponibles
 
diff --git a/docs/THEMES_CATPPUCCIN_EVERFOREST.md b/docs/THEMES_CATPPUCCIN_EVERFOREST.md
index df5a020..8566150 100644
--- a/docs/THEMES_CATPPUCCIN_EVERFOREST.md
+++ b/docs/THEMES_CATPPUCCIN_EVERFOREST.md
@@ -105,7 +105,7 @@ Everforest est un thème inspiré de la nature avec une palette de couleurs vert
 
 ## Installation
 
-Les deux thèmes sont maintenant disponibles par défaut dans Project Notes !
+Les deux thèmes sont maintenant disponibles par défaut dans PersoNotes !
 
 ### Activation
 
diff --git a/docs/USAGE_GUIDE.md b/docs/USAGE_GUIDE.md
index e1955fb..19140a8 100644
--- a/docs/USAGE_GUIDE.md
+++ b/docs/USAGE_GUIDE.md
@@ -1,6 +1,6 @@
 # Usage Guide
 
-Complete guide for using Project Notes - from creating your first note to advanced features.
+Complete guide for using PersoNotes - from creating your first note to advanced features.
 
 ## Table of Contents
 
@@ -19,14 +19,14 @@ Complete guide for using Project Notes - from creating your first note to advanc
 
 ## Quick Start
 
-The fastest way to get started with Project Notes:
+The fastest way to get started with PersoNotes:
 
 1. **Open the application** at `http://localhost:8080`
 2. **Press `Ctrl/Cmd+D`** to create today's daily note
 3. **Start writing** - the editor saves automatically with `Ctrl/Cmd+S`
 4. **Press `Ctrl/Cmd+K`** to search your notes anytime
 
-That's it! You're now using Project Notes.
+That's it! You're now using PersoNotes.
 
 ---
 
@@ -158,7 +158,7 @@ Your Markdown content...
 
 ## Searching Notes
 
-Project Notes includes a powerful search system with two interfaces.
+PersoNotes includes a powerful search system with two interfaces.
 
 ### Quick Search Modal (Recommended)
 
diff --git a/frontend/src/daily-notes.js b/frontend/src/daily-notes.js
index 15193fa..9aff381 100644
--- a/frontend/src/daily-notes.js
+++ b/frontend/src/daily-notes.js
@@ -16,7 +16,8 @@ function initDailyNotesShortcut() {
             if (typeof htmx !== 'undefined') {
                 htmx.ajax('GET', '/api/daily/today', {
                     target: '#editor-container',
-                    swap: 'innerHTML'
+                    swap: 'innerHTML',
+                    pushUrl: true
                 });
             }
         }
diff --git a/frontend/src/file-tree.js b/frontend/src/file-tree.js
index d707cbc..f2f886e 100644
--- a/frontend/src/file-tree.js
+++ b/frontend/src/file-tree.js
@@ -10,6 +10,12 @@ class FileTree {
     }
 
     init() {
+        this.setupEventListeners();
+
+        console.log('FileTree initialized with event delegation');
+    }
+
+    setupEventListeners() {
         // Utiliser la délégation d'événements sur le conteneur de la sidebar
         // Cela évite de perdre les listeners après les swaps htmx
         const sidebar = document.getElementById('sidebar');
@@ -18,8 +24,13 @@ class FileTree {
             return;
         }
 
-        // Event listener délégué pour les clics sur les folder-headers
-        sidebar.addEventListener('click', (e) => {
+        // Supprimer les anciens listeners s'ils existent
+        if (this.clickHandler) {
+            sidebar.removeEventListener('click', this.clickHandler);
+        }
+
+        // Créer et stocker le handler pour pouvoir le supprimer plus tard
+        this.clickHandler = (e) => {
             // Ignorer les clics sur les checkboxes
             if (e.target.classList.contains('selection-checkbox')) {
                 return;
@@ -41,12 +52,13 @@ class FileTree {
                 // Ne pas bloquer la propagation pour les fichiers
                 return;
             }
-        });
+        };
+
+        // Attacher le handler
+        sidebar.addEventListener('click', this.clickHandler);
 
         // Event listeners délégués pour le drag & drop
         this.setupDelegatedDragAndDrop(sidebar);
-
-        console.log('FileTree initialized with event delegation');
     }
 
     toggleFolder(header) {
@@ -69,8 +81,17 @@ class FileTree {
     }
 
     setupDelegatedDragAndDrop(sidebar) {
+        // Supprimer les anciens handlers s'ils existent
+        if (this.dragStartHandler) {
+            sidebar.removeEventListener('dragstart', this.dragStartHandler);
+            sidebar.removeEventListener('dragend', this.dragEndHandler);
+            sidebar.removeEventListener('dragover', this.dragOverHandler);
+            sidebar.removeEventListener('dragleave', this.dragLeaveHandler);
+            sidebar.removeEventListener('drop', this.dropHandler);
+        }
+
         // Drag start - délégué pour fichiers et dossiers
-        sidebar.addEventListener('dragstart', (e) => {
+        this.dragStartHandler = (e) => {
             const fileItem = e.target.closest('.file-item');
             const folderHeader = e.target.closest('.folder-header');
 
@@ -79,41 +100,48 @@ class FileTree {
             } else if (folderHeader && folderHeader.draggable) {
                 this.handleDragStart(e, 'folder', folderHeader);
             }
-        });
+        };
 
         // Drag end - délégué
-        sidebar.addEventListener('dragend', (e) => {
+        this.dragEndHandler = (e) => {
             const fileItem = e.target.closest('.file-item');
             const folderHeader = e.target.closest('.folder-header');
 
             if (fileItem || folderHeader) {
                 this.handleDragEnd(e);
             }
-        });
+        };
 
         // Drag over - délégué sur les folder-headers
-        sidebar.addEventListener('dragover', (e) => {
+        this.dragOverHandler = (e) => {
             const folderHeader = e.target.closest('.folder-header');
             if (folderHeader) {
                 this.handleDragOver(e, folderHeader);
             }
-        });
+        };
 
         // Drag leave - délégué
-        sidebar.addEventListener('dragleave', (e) => {
+        this.dragLeaveHandler = (e) => {
             const folderHeader = e.target.closest('.folder-header');
             if (folderHeader) {
                 this.handleDragLeave(e, folderHeader);
             }
-        });
+        };
 
         // Drop - délégué
-        sidebar.addEventListener('drop', (e) => {
+        this.dropHandler = (e) => {
             const folderHeader = e.target.closest('.folder-header');
             if (folderHeader) {
                 this.handleDrop(e, folderHeader);
             }
-        });
+        };
+
+        // Attacher les handlers
+        sidebar.addEventListener('dragstart', this.dragStartHandler);
+        sidebar.addEventListener('dragend', this.dragEndHandler);
+        sidebar.addEventListener('dragover', this.dragOverHandler);
+        sidebar.addEventListener('dragleave', this.dragLeaveHandler);
+        sidebar.addEventListener('drop', this.dropHandler);
 
         // Rendre les dossiers draggables (sauf racine)
         this.updateDraggableAttributes();
@@ -124,6 +152,7 @@ class FileTree {
             // Vérifier si le swap concerne le file-tree
             const target = event.detail?.target;
             if (target && (target.id === 'file-tree' || target.closest('#file-tree'))) {
+                console.log('FileTree: afterSwap detected, updating attributes...');
                 this.updateDraggableAttributes();
             }
         });
@@ -131,10 +160,22 @@ class FileTree {
         // Écouter aussi les swaps out-of-band (oob) qui mettent à jour le file-tree
         document.body.addEventListener('htmx:oobAfterSwap', (event) => {
             const target = event.detail?.target;
+            // Ignorer les swaps de statut (auto-save-status, save-status)
             if (target && target.id === 'file-tree') {
+                console.log('FileTree: oobAfterSwap detected, updating attributes...');
                 this.updateDraggableAttributes();
             }
         });
+
+        // Écouter les restaurations d'historique (bouton retour du navigateur)
+        document.body.addEventListener('htmx:historyRestore', () => {
+            console.log('FileTree: History restored, re-initializing event listeners...');
+            // Réinitialiser complètement les event listeners après restauration de l'historique
+            setTimeout(() => {
+                this.setupEventListeners();
+                this.updateDraggableAttributes();
+            }, 50);
+        });
     }
 
     updateDraggableAttributes() {
@@ -415,7 +456,8 @@ window.handleNewNote = function(event) {
     if (typeof htmx !== 'undefined') {
         htmx.ajax('GET', `/api/notes/${encodeURIComponent(noteName)}`, {
             target: '#editor-container',
-            swap: 'innerHTML'
+            swap: 'innerHTML',
+            pushUrl: true
         });
     }
 }
diff --git a/frontend/src/sidebar-sections.js b/frontend/src/sidebar-sections.js
new file mode 100644
index 0000000..3970baf
--- /dev/null
+++ b/frontend/src/sidebar-sections.js
@@ -0,0 +1,193 @@
+/**
+ * SidebarSections - Gère les sections rétractables de la sidebar
+ * Permet de replier/déplier les favoris et le répertoire de notes
+ */
+class SidebarSections {
+    constructor() {
+        this.sections = {
+            favorites: { key: 'sidebar-favorites-expanded', defaultState: true },
+            notes: { key: 'sidebar-notes-expanded', defaultState: true }
+        };
+        this.init();
+    }
+
+    init() {
+        console.log('SidebarSections: Initialisation...');
+
+        // Restaurer l'état sauvegardé au démarrage
+        this.restoreStates();
+
+        // Écouter les événements HTMX pour réattacher les handlers après les swaps
+        document.body.addEventListener('htmx:afterSwap', (event) => {
+            const targetId = event.detail?.target?.id;
+
+            if (targetId === 'favorites-list') {
+                console.log('Favoris rechargés, restauration de l\'état...');
+                setTimeout(() => this.restoreSectionState('favorites'), 50);
+            }
+
+            if (targetId === 'file-tree') {
+                console.log('File-tree rechargé, restauration de l\'état...');
+                setTimeout(() => this.restoreSectionState('notes'), 50);
+            }
+        });
+
+        document.body.addEventListener('htmx:oobAfterSwap', (event) => {
+            const targetId = event.detail?.target?.id;
+
+            // Ne restaurer l'état que pour les swaps du file-tree complet
+            // Les swaps de statut (auto-save-status) ne doivent pas déclencher la restauration
+            if (targetId === 'file-tree') {
+                console.log('File-tree rechargé (oob), restauration de l\'état...');
+                setTimeout(() => this.restoreSectionState('notes'), 50);
+            }
+        });
+
+        // Écouter les restaurations d'historique (bouton retour du navigateur)
+        document.body.addEventListener('htmx:historyRestore', () => {
+            console.log('SidebarSections: History restored, restoring section states...');
+            // Restaurer les états des sections après restauration de l'historique
+            setTimeout(() => {
+                this.restoreSectionState('favorites');
+                this.restoreSectionState('notes');
+            }, 100);
+        });
+
+        console.log('SidebarSections: Initialisé');
+    }
+
+    /**
+     * Récupère l'état sauvegardé d'une section
+     */
+    getSectionState(sectionName) {
+        const section = this.sections[sectionName];
+        if (!section) return true;
+
+        const saved = localStorage.getItem(section.key);
+        return saved !== null ? saved === 'true' : section.defaultState;
+    }
+
+    /**
+     * Sauvegarde l'état d'une section
+     */
+    setSectionState(sectionName, isExpanded) {
+        const section = this.sections[sectionName];
+        if (!section) return;
+
+        localStorage.setItem(section.key, isExpanded.toString());
+        console.log(`État sauvegardé: ${sectionName} = ${isExpanded}`);
+    }
+
+    /**
+     * Toggle une section (ouvert/fermé)
+     */
+    toggleSection(sectionName, headerElement) {
+        if (!headerElement) {
+            console.error(`Header element not found for section: ${sectionName}`);
+            return;
+        }
+
+        const contentElement = headerElement.nextElementSibling;
+        const toggleIcon = headerElement.querySelector('.section-toggle');
+
+        if (!contentElement) {
+            console.error(`Content element not found for section: ${sectionName}`);
+            return;
+        }
+
+        const isCurrentlyExpanded = contentElement.style.display !== 'none';
+        const newState = !isCurrentlyExpanded;
+
+        if (newState) {
+            // Ouvrir
+            contentElement.style.display = 'block';
+            if (toggleIcon) {
+                toggleIcon.classList.add('expanded');
+            }
+        } else {
+            // Fermer
+            contentElement.style.display = 'none';
+            if (toggleIcon) {
+                toggleIcon.classList.remove('expanded');
+            }
+        }
+
+        this.setSectionState(sectionName, newState);
+        console.log(`Section ${sectionName} ${newState ? 'ouverte' : 'fermée'}`);
+    }
+
+    /**
+     * Restaure l'état d'une section depuis localStorage
+     */
+    restoreSectionState(sectionName) {
+        const isExpanded = this.getSectionState(sectionName);
+        const header = document.querySelector(`[data-section="${sectionName}"]`);
+
+        if (!header) {
+            console.warn(`Header not found for section: ${sectionName}`);
+            return;
+        }
+
+        const content = header.nextElementSibling;
+        const toggleIcon = header.querySelector('.section-toggle');
+
+        if (!content) {
+            console.warn(`Content not found for section: ${sectionName}`);
+            return;
+        }
+
+        if (isExpanded) {
+            content.style.display = 'block';
+            if (toggleIcon) {
+                toggleIcon.classList.add('expanded');
+            }
+        } else {
+            content.style.display = 'none';
+            if (toggleIcon) {
+                toggleIcon.classList.remove('expanded');
+            }
+        }
+
+        console.log(`État restauré: ${sectionName} = ${isExpanded ? 'ouvert' : 'fermé'}`);
+    }
+
+    /**
+     * Restaure tous les états au démarrage
+     */
+    restoreStates() {
+        // Attendre que le DOM soit complètement chargé et que HTMX ait fini de charger les contenus
+        // Délai augmenté pour correspondre aux délais des triggers HTMX (250ms + marge)
+        setTimeout(() => {
+            this.restoreSectionState('favorites');
+            this.restoreSectionState('notes');
+        }, 400);
+    }
+}
+
+/**
+ * Fonction globale pour toggle une section (appelée depuis le HTML)
+ */
+window.toggleSidebarSection = function(sectionName, event) {
+    if (event) {
+        event.preventDefault();
+        event.stopPropagation();
+    }
+
+    const headerElement = event?.currentTarget || document.querySelector(`[data-section="${sectionName}"]`);
+
+    if (window.sidebarSections && headerElement) {
+        window.sidebarSections.toggleSection(sectionName, headerElement);
+    }
+};
+
+/**
+ * Initialisation automatique
+ */
+if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', () => {
+        window.sidebarSections = new SidebarSections();
+    });
+} else {
+    // DOM déjà chargé
+    window.sidebarSections = new SidebarSections();
+}
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 6dbdec4..3a51807 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -13,8 +13,8 @@ export default defineConfig({
   build: {
     lib: {
       entry: 'src/main.js', // This will be our main entry point
-      name: 'ProjectNotesFrontend',
-      fileName: (format) => `project-notes-frontend.${format}.js`
+      name: 'PersoNotesFrontend',
+      fileName: (format) => `personotes-frontend.${format}.js`
     },
     outDir: '../static/dist', // Output to a new 'dist' folder inside the existing 'static' directory
     emptyOutDir: true,
diff --git a/generate_notes.sh b/generate_notes.sh
index 9a718bb..feac370 100755
--- a/generate_notes.sh
+++ b/generate_notes.sh
@@ -138,8 +138,8 @@ frontend/
 ## Build
 
 \`npm run build\` génère:
-- \`project-notes-frontend.es.js\` (ES modules)
-- \`project-notes-frontend.umd.js\` (UMD)
+- \`personotes-frontend.es.js\` (ES modules)
+- \`personotes-frontend.umd.js\` (UMD)
 
 ## Watch Mode
 
@@ -737,7 +737,7 @@ Not aligned with minimalist approach."
 
 # Quelques notes à la racine
 create_note "welcome.md" "Welcome" '"default"' \
-"# Welcome to Project Notes
+"# Welcome to PersoNotes
 
 This is your personal note-taking app.
 
diff --git a/go.mod b/go.mod
index d5fd34a..76935eb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/mathieu/project-notes
+module github.com/mathieu/personotes
 
 go 1.22
 
diff --git a/internal/api/daily_notes.go b/internal/api/daily_notes.go
index 60ffe8f..ddb1da3 100644
--- a/internal/api/daily_notes.go
+++ b/internal/api/daily_notes.go
@@ -212,6 +212,12 @@ func (h *Handler) handleDailyCalendar(w http.ResponseWriter, r *http.Request, ye
 		return
 	}
 
+	// Si ce n'est pas une requête HTMX, rediriger vers la page principale
+	if r.Header.Get("HX-Request") == "" {
+		http.Redirect(w, r, "/", http.StatusSeeOther)
+		return
+	}
+
 	// Parser année et mois
 	year, err := strconv.Atoi(yearStr)
 	if err != nil || year < 1900 || year > 2100 {
@@ -353,6 +359,12 @@ func (h *Handler) handleDailyRecent(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// Si ce n'est pas une requête HTMX, rediriger vers la page principale
+	if r.Header.Get("HX-Request") == "" {
+		http.Redirect(w, r, "/", http.StatusSeeOther)
+		return
+	}
+
 	// Chercher les daily notes des 14 derniers jours (au cas où certaines manquent)
 	recentNotes := make([]*DailyNoteInfo, 0, 7)
 
diff --git a/internal/api/favorites.go b/internal/api/favorites.go
index e701170..95ced18 100644
--- a/internal/api/favorites.go
+++ b/internal/api/favorites.go
@@ -87,38 +87,45 @@ func (h *Handler) handleFavorites(w http.ResponseWriter, r *http.Request) {
 
 // handleGetFavorites retourne la liste des favoris (HTML)
 func (h *Handler) handleGetFavorites(w http.ResponseWriter, r *http.Request) {
+	// Pas de redirection ici car cet endpoint est utilisé par HTMX ET par fetch()
+	// depuis le JavaScript pour mettre à jour la liste après ajout/suppression
+	h.renderFavoritesList(w)
+}
+
+// renderFavoritesList rend le template des favoris (méthode interne)
+func (h *Handler) renderFavoritesList(w http.ResponseWriter) {
 	favorites, err := h.loadFavorites()
 	if err != nil {
 		h.logger.Printf("Erreur chargement favoris: %v", err)
 		// En cas d'erreur, retourner une liste vide plutôt qu'une erreur 500
 		favorites = &FavoritesData{Items: []Favorite{}}
 	}
-	
+
 	// Enrichir avec les informations des fichiers
 	enrichedFavorites := []map[string]interface{}{}
-	
+
 	for _, fav := range favorites.Items {
 		absPath := filepath.Join(h.notesDir, fav.Path)
-		
+
 		// Vérifier si le fichier/dossier existe toujours
 		if _, err := os.Stat(absPath); os.IsNotExist(err) {
 			continue // Skip les favoris qui n'existent plus
 		}
-		
+
 		item := map[string]interface{}{
 			"Path":  fav.Path,
 			"IsDir": fav.IsDir,
 			"Title": fav.Title,
 			"Icon":  getIcon(fav.IsDir, fav.Path),
 		}
-		
+
 		enrichedFavorites = append(enrichedFavorites, item)
 	}
-	
+
 	data := map[string]interface{}{
 		"Favorites": enrichedFavorites,
 	}
-	
+
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	if err := h.templates.ExecuteTemplate(w, "favorites.html", data); err != nil {
 		h.logger.Printf("Erreur template favoris: %v", err)
@@ -192,24 +199,34 @@ func (h *Handler) handleAddFavorite(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Erreur de sauvegarde", http.StatusInternalServerError)
 		return
 	}
-	
+
 	// Retourner la liste mise à jour
-	h.handleGetFavorites(w, r)
+	h.renderFavoritesList(w)
 }
 
 // handleRemoveFavorite retire un élément des favoris
 func (h *Handler) handleRemoveFavorite(w http.ResponseWriter, r *http.Request) {
-	if err := r.ParseForm(); err != nil {
-		// Pour DELETE, il faut lire le body manuellement
-		body, _ := io.ReadAll(r.Body)
-		r.Body.Close()
-		values, _ := url.ParseQuery(string(body))
-		r.Form = values
+	// Pour DELETE, il faut toujours lire le body manuellement
+	// car ParseForm() ne lit pas le body pour les méthodes DELETE
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		h.logger.Printf("Erreur lecture body: %v", err)
+		http.Error(w, "Erreur lecture requête", http.StatusBadRequest)
+		return
 	}
-	
-	path := r.FormValue("path")
-	
+	r.Body.Close()
+
+	values, err := url.ParseQuery(string(body))
+	if err != nil {
+		h.logger.Printf("Erreur parsing query: %v", err)
+		http.Error(w, "Erreur parsing requête", http.StatusBadRequest)
+		return
+	}
+
+	path := values.Get("path")
+
 	if path == "" {
+		h.logger.Printf("Chemin requis manquant dans la requête")
 		http.Error(w, "Chemin requis", http.StatusBadRequest)
 		return
 	}
@@ -243,15 +260,15 @@ func (h *Handler) handleRemoveFavorite(w http.ResponseWriter, r *http.Request) {
 	}
 	
 	favorites.Items = newItems
-	
+
 	if err := h.saveFavorites(favorites); err != nil {
 		h.logger.Printf("Erreur sauvegarde favoris: %v", err)
 		http.Error(w, "Erreur de sauvegarde", http.StatusInternalServerError)
 		return
 	}
-	
+
 	// Retourner la liste mise à jour
-	h.handleGetFavorites(w, r)
+	h.renderFavoritesList(w)
 }
 
 // handleReorderFavorites réorganise l'ordre des favoris
diff --git a/internal/api/handler.go b/internal/api/handler.go
index e33eab1..53ce082 100644
--- a/internal/api/handler.go
+++ b/internal/api/handler.go
@@ -16,7 +16,7 @@ import (
 
 	yaml "gopkg.in/yaml.v3"
 
-	"github.com/mathieu/project-notes/internal/indexer"
+	"github.com/mathieu/personotes/internal/indexer"
 )
 
 // TreeNode représente un nœud dans l'arborescence des fichiers
@@ -235,6 +235,12 @@ func (h *Handler) handleFileTree(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// Si ce n'est pas une requête HTMX, rediriger vers la page principale
+	if r.Header.Get("HX-Request") == "" {
+		http.Redirect(w, r, "/", http.StatusSeeOther)
+		return
+	}
+
 	tree, err := h.buildFileTree()
 	if err != nil {
 		h.logger.Printf("erreur lors de la construction de l arborescence: %v", err)
@@ -261,18 +267,26 @@ func (h *Handler) handleHome(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// Si ce n'est pas une requête HTMX (ex: accès direct via URL), rediriger vers la page principale
+	if r.Header.Get("HX-Request") == "" {
+		http.Redirect(w, r, "/", http.StatusSeeOther)
+		return
+	}
+
 	// Générer le contenu Markdown avec la liste de toutes les notes
 	content := h.generateHomeMarkdown()
 
 	// Utiliser le template editor.html pour afficher la page d'accueil
 	data := struct {
-		Filename string
-		Content  string
-		IsHome   bool
+		Filename  string
+		Content   string
+		IsHome    bool
+		Backlinks []BacklinkInfo
 	}{
-		Filename: "🏠 Accueil - Index",
-		Content:  content,
-		IsHome:   true,
+		Filename:  "🏠 Accueil - Index",
+		Content:   content,
+		IsHome:    true,
+		Backlinks: nil, // Pas de backlinks pour la page d'accueil
 	}
 
 	err := h.templates.ExecuteTemplate(w, "editor.html", data)
@@ -577,13 +591,15 @@ func (h *Handler) createAndRenderNote(w http.ResponseWriter, r *http.Request, fi
 	initialContent := "---\n" + string(fmBytes) + "---\n\n# " + newFM.Title + "\n\nCommencez à écrire votre note ici..."
 
 	data := struct {
-		Filename string
-		Content  string
-		IsHome   bool
+		Filename  string
+		Content   string
+		IsHome    bool
+		Backlinks []BacklinkInfo
 	}{
-		Filename: filename,
-		Content:  initialContent,
-		IsHome:   false,
+		Filename:  filename,
+		Content:   initialContent,
+		IsHome:    false,
+		Backlinks: nil, // Pas de backlinks pour une nouvelle note
 	}
 
 	err = h.templates.ExecuteTemplate(w, "editor.html", data)
@@ -599,6 +615,11 @@ func (h *Handler) handleSearch(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// Pas de redirection ici car cet endpoint est utilisé par:
+	// 1. La sidebar de recherche (HTMX)
+	// 2. La modale de recherche Ctrl+K (fetch)
+	// 3. Le link inserter pour créer des backlinks (fetch)
+
 	query := strings.TrimSpace(r.URL.Query().Get("query"))
 	if query == "" {
 		query = strings.TrimSpace(r.URL.Query().Get("tag"))
@@ -673,6 +694,13 @@ func (h *Handler) handleDeleteNote(w http.ResponseWriter, r *http.Request, filen
 }
 
 func (h *Handler) handleGetNote(w http.ResponseWriter, r *http.Request, filename string) {
+	// Si ce n'est pas une requête HTMX (ex: refresh navigateur), rediriger vers la page principale
+	// Cela évite d'afficher un fragment HTML sans CSS lors d'un Ctrl+F5
+	if r.Header.Get("HX-Request") == "" {
+		http.Redirect(w, r, "/", http.StatusSeeOther)
+		return
+	}
+
 	fullPath := filepath.Join(h.notesDir, filename)
 	content, err := os.ReadFile(fullPath)
 	if err != nil {
@@ -800,8 +828,12 @@ func (h *Handler) handlePostNote(w http.ResponseWriter, r *http.Request, filenam
 		}
 	}()
 
-	// Repondre a htmx pour vider l'editeur et rafraichir l'arborescence
-	h.renderFileTreeOOB(w)
+	// Pour les notes existantes, ne pas recharger le file-tree (évite de fermer les dossiers ouverts)
+	// Le file-tree sera rechargé uniquement lors de la création de nouveaux fichiers/dossiers
+	if isNewFile {
+		// Nouvelle note : mettre à jour le file-tree pour l'afficher
+		h.renderFileTreeOOB(w)
+	}
 
     // Répondre avec les statuts de sauvegarde OOB
     nowStr := time.Now().Format("15:04:05")
diff --git a/internal/api/handler_test.go b/internal/api/handler_test.go
index 19ba1a5..68a9948 100644
--- a/internal/api/handler_test.go
+++ b/internal/api/handler_test.go
@@ -11,7 +11,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/mathieu/project-notes/internal/indexer"
+	"github.com/mathieu/personotes/internal/indexer"
 )
 
 func newTestHandler(t *testing.T, notesDir string) *Handler {
diff --git a/internal/api/rest_handler.go b/internal/api/rest_handler.go
index 765fa94..07a9926 100644
--- a/internal/api/rest_handler.go
+++ b/internal/api/rest_handler.go
@@ -12,7 +12,7 @@ import (
 
 	yaml "gopkg.in/yaml.v3"
 
-	"github.com/mathieu/project-notes/internal/indexer"
+	"github.com/mathieu/personotes/internal/indexer"
 )
 
 // REST API Structures
diff --git a/internal/watcher/watcher.go b/internal/watcher/watcher.go
index 2c8b96d..35d053b 100644
--- a/internal/watcher/watcher.go
+++ b/internal/watcher/watcher.go
@@ -11,7 +11,7 @@ import (
 
 	"github.com/fsnotify/fsnotify"
 
-	"github.com/mathieu/project-notes/internal/indexer"
+	"github.com/mathieu/personotes/internal/indexer"
 )
 
 // Watcher observe les modifications dans le repertoire des notes et relance l indexation au besoin.
diff --git a/notes/.favorites.json b/notes/.favorites.json
index 4b8a7dd..9e54c9b 100644
--- a/notes/.favorites.json
+++ b/notes/.favorites.json
@@ -7,96 +7,68 @@
       "added_at": "2025-11-11T13:55:41.091354066+01:00",
       "order": 0
     },
-    {
-      "path": "documentation/old-ideas.md",
-      "is_dir": false,
-      "title": "old-ideas",
-      "added_at": "2025-11-11T13:55:46.034104752+01:00",
-      "order": 1
-    },
-    {
-      "path": "documentation/bienvenue.md",
-      "is_dir": false,
-      "title": "bienvenue",
-      "added_at": "2025-11-11T13:55:46.95626865+01:00",
-      "order": 2
-    },
     {
       "path": "research/ai",
       "is_dir": true,
       "title": "ai",
       "added_at": "2025-11-11T13:55:49.371541279+01:00",
-      "order": 3
-    },
-    {
-      "path": "research/design/typography.md",
-      "is_dir": false,
-      "title": "typography",
-      "added_at": "2025-11-11T13:55:51.238574069+01:00",
-      "order": 4
+      "order": 1
     },
     {
       "path": "research/design/ui-inspiration.md",
       "is_dir": false,
       "title": "ui-inspiration",
       "added_at": "2025-11-11T14:20:49.985321698+01:00",
-      "order": 5
-    },
-    {
-      "path": "research/tech/go-performance.md",
-      "is_dir": false,
-      "title": "go-performance",
-      "added_at": "2025-11-11T14:20:53.861619294+01:00",
-      "order": 6
+      "order": 2
     },
     {
       "path": "research/tech/websockets.md",
       "is_dir": false,
       "title": "websockets",
       "added_at": "2025-11-11T14:20:55.347335695+01:00",
-      "order": 7
+      "order": 3
     },
     {
       "path": "tasks/backlog.md",
       "is_dir": false,
       "title": "backlog",
       "added_at": "2025-11-11T14:20:57.762787363+01:00",
-      "order": 8
+      "order": 4
     },
     {
       "path": "ideas/client-feedback.md",
       "is_dir": false,
       "title": "client-feedback",
       "added_at": "2025-11-11T14:22:16.497953232+01:00",
-      "order": 9
+      "order": 5
     },
     {
       "path": "ideas/collaboration.md",
       "is_dir": false,
       "title": "collaboration",
       "added_at": "2025-11-11T14:22:18.012032002+01:00",
-      "order": 10
+      "order": 6
     },
     {
       "path": "ideas/mobile-app.md",
       "is_dir": false,
       "title": "mobile-app",
       "added_at": "2025-11-11T14:22:19.048311608+01:00",
-      "order": 11
+      "order": 7
     },
     {
       "path": "meetings/2025",
       "is_dir": true,
       "title": "2025",
       "added_at": "2025-11-11T14:22:21.531283601+01:00",
-      "order": 12
+      "order": 8
     },
     {
       "path": "meetings/outscale.md",
       "is_dir": false,
       "title": "outscale",
       "added_at": "2025-11-11T14:22:22.519332518+01:00",
-      "order": 13
+      "order": 9
     }
   ]
 }
\ No newline at end of file
diff --git a/notes/daily/2025/11/12.md b/notes/daily/2025/11/12.md
new file mode 100644
index 0000000..9a086a9
--- /dev/null
+++ b/notes/daily/2025/11/12.md
@@ -0,0 +1,28 @@
+---
+title: Daily Note - 2025-11-12
+date: 12-11-2025
+last_modified: 12-11-2025:10:37
+tags:
+    - daily
+---
+
+# 📅 Mercredi 12 novembre 2025
+
+## 🎯 Objectifs du jour
+-
+
+## 📝 Notes
+- C'est la note du jour
+
+  Elle est cool
+
+/i
+
+## ✅ Accompli
+-
+
+## 💭 Réflexions
+-
+
+## 🔗 Liens
+-
diff --git a/notes/documentation/bienvenue.md b/notes/documentation/bienvenue.md
index 82335ff..470395a 100644
--- a/notes/documentation/bienvenue.md
+++ b/notes/documentation/bienvenue.md
@@ -1,5 +1,5 @@
 ---
-title: Bienvenue dans Project Notes
+title: Bienvenue dans PersoNotes
 date: 08-11-2025
 last_modified: 09-11-2025:01:13
 tags:
@@ -17,7 +17,7 @@ C'est mon application de prise de note
 
 ## J'espére qu'elle va bien marcher
 
-# Bienvenue dans Project Notes
+# Bienvenue dans PersoNotes
 
 Bienvenue dans votre application de prise de notes en Markdown ! Cette page vous explique comment utiliser l'application et le format front matter.
 
diff --git a/notes/meetings/2025/sprint-planning.md b/notes/meetings/2025/sprint-planning.md
index 4796bcd..2c10444 100644
--- a/notes/meetings/2025/sprint-planning.md
+++ b/notes/meetings/2025/sprint-planning.md
@@ -1,8 +1,10 @@
 ---
-title: "Sprint Planning January"
-date: "10-11-2025"
-last_modified: "10-11-2025:19:21"
-tags: ["meeting", "planning"]
+title: Sprint Planning January
+date: 10-11-2025
+last_modified: 12-11-2025:10:26
+tags:
+    - meeting
+    - planning
 ---
 
 # Sprint Planning - Janvier 2025
@@ -26,3 +28,6 @@ tags: ["meeting", "planning"]
 
 - Complexité du drag & drop de dossiers
 - Tests E2E à mettre en place
+
+
+/il
diff --git a/notes/personal/learning-goals.md b/notes/personal/learning-goals.md
index 973bdd7..125d7d9 100644
--- a/notes/personal/learning-goals.md
+++ b/notes/personal/learning-goals.md
@@ -1,7 +1,7 @@
 ---
 title: 2025 Learning Goals
 date: 10-11-2025
-last_modified: 11-11-2025:17:15
+last_modified: 12-11-2025:10:28
 tags:
     - personal
     - learning
@@ -28,5 +28,3 @@ tags:
 2. The Pragmatic Programmer
 3. Clean Architecture
 
-
-/
\ No newline at end of file
diff --git a/notes/projets/backend/api-design.md b/notes/projets/backend/api-design.md
index 208d790..db79482 100644
--- a/notes/projets/backend/api-design.md
+++ b/notes/projets/backend/api-design.md
@@ -1,7 +1,7 @@
 ---
 title: API Design
 date: 10-11-2025
-last_modified: 11-11-2025:15:23
+last_modified: 12-11-2025:10:32
 tags:
     - projet
     - backend
@@ -29,3 +29,6 @@ Pour l'instant, pas d'authentification. À implémenter avec JWT.
 
 
 <!--  -->
+
+
+##  This is a test
\ No newline at end of file
diff --git a/notes/projets/frontend/codemirror-integration.md b/notes/projets/frontend/codemirror-integration.md
index f15211d..69949f2 100644
--- a/notes/projets/frontend/codemirror-integration.md
+++ b/notes/projets/frontend/codemirror-integration.md
@@ -1,8 +1,11 @@
 ---
-title: "CodeMirror Integration"
-date: "10-11-2025"
-last_modified: "10-11-2025:19:21"
-tags: ["projet", "frontend", "editor"]
+title: CodeMirror Integration
+date: 10-11-2025
+last_modified: 12-11-2025:09:37
+tags:
+    - projet
+    - frontend
+    - editor
 ---
 
 # CodeMirror 6 Integration
@@ -22,6 +25,7 @@ Système de commandes rapides avec `/`:
 - /table - Tableau
 - /code - Bloc de code
 
+
 ## Auto-save
 
 Déclenché après 2 secondes d'inactivité.
diff --git a/notes/projets/frontend/vite-build.md b/notes/projets/frontend/vite-build.md
index cf75e97..6bd698f 100644
--- a/notes/projets/frontend/vite-build.md
+++ b/notes/projets/frontend/vite-build.md
@@ -23,8 +23,8 @@ frontend/
 ## Build
 
 `npm run build` génère:
-- `project-notes-frontend.es.js` (ES modules)
-- `project-notes-frontend.umd.js` (UMD)
+- `personotes-frontend.es.js` (ES modules)
+- `personotes-frontend.umd.js` (UMD)
 
 ## Watch Mode
 
diff --git a/notes/test-delete-1.md b/notes/test-delete-1.md
index 2935cb3..e301708 100644
--- a/notes/test-delete-1.md
+++ b/notes/test-delete-1.md
@@ -11,4 +11,4 @@ ddddddddlffdfdddddddddddddd
 
 [texte](url)
 
-<a href="#" onclick="return false;" hx-get="/api/notes/documentation/bienvenue.md" hx-target="#editor-container" hx-swap="innerHTML">Bienvenue dans Project Notes</a>
\ No newline at end of file
+<a href="#" onclick="return false;" hx-get="/api/notes/documentation/bienvenue.md" hx-target="#editor-container" hx-swap="innerHTML">Bienvenue dans PersoNotes</a>
\ No newline at end of file
diff --git a/notes/welcome.md b/notes/welcome.md
index f19fbde..f1830f6 100644
--- a/notes/welcome.md
+++ b/notes/welcome.md
@@ -5,7 +5,7 @@ last_modified: "10-11-2025:19:21"
 tags: ["default"]
 ---
 
-# Welcome to Project Notes
+# Welcome to PersoNotes
 
 This is your personal note-taking app.
 
diff --git a/personotes.jpg b/personotes.jpg
new file mode 100644
index 0000000..3a6f221
Binary files /dev/null and b/personotes.jpg differ
diff --git a/static/images/logo.svg b/static/images/logo.svg
new file mode 100644
index 0000000..21218d2
--- /dev/null
+++ b/static/images/logo.svg
@@ -0,0 +1,76 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" width="64" height="64">
+  <defs>
+    <style>
+      .dog-face { fill: #E8DCC8; }
+      .dog-fur-dark { fill: #8B7355; }
+      .dog-ear-inner { fill: #D4A574; }
+      .dog-eye { fill: #2C1810; }
+      .dog-nose { fill: #1A0F0A; }
+      .dog-mouth { fill: none; stroke: #2C1810; stroke-width: 1; stroke-linecap: round; }
+      .pencil-body { fill: #F4C430; }
+      .pencil-tip { fill: #2C1810; }
+      .pencil-eraser { fill: #FF6B9D; }
+      .pencil-band { fill: #C0C0C0; }
+      .highlight { fill: white; opacity: 0.6; }
+    </style>
+  </defs>
+
+  <!-- Oreille gauche -->
+  <path class="dog-fur-dark" d="M 18 15 L 12 5 L 22 8 Z"/>
+  <path class="dog-ear-inner" d="M 18 15 L 14 8 L 20 10 Z"/>
+
+  <!-- Oreille droite -->
+  <path class="dog-fur-dark" d="M 46 15 L 52 5 L 42 8 Z"/>
+  <path class="dog-ear-inner" d="M 46 15 L 50 8 L 44 10 Z"/>
+
+  <!-- Tache de fourrure sombre sur le front -->
+  <ellipse class="dog-fur-dark" cx="32" cy="20" rx="12" ry="8"/>
+
+  <!-- Visage principal -->
+  <circle class="dog-face" cx="32" cy="32" r="20"/>
+
+  <!-- Taches de fourrure claires sur les joues -->
+  <ellipse class="dog-face" cx="22" cy="35" rx="8" ry="10" opacity="0.8"/>
+  <ellipse class="dog-face" cx="42" cy="35" rx="8" ry="10" opacity="0.8"/>
+
+  <!-- Yeux -->
+  <ellipse class="dog-eye" cx="26" cy="28" rx="3" ry="4"/>
+  <ellipse class="dog-eye" cx="38" cy="28" rx="3" ry="4"/>
+
+  <!-- Reflets dans les yeux pour le rendre plus vivant -->
+  <circle class="highlight" cx="27" cy="27" r="1.5"/>
+  <circle class="highlight" cx="39" cy="27" r="1.5"/>
+
+  <!-- Museau -->
+  <ellipse class="dog-face" cx="32" cy="38" rx="10" ry="8"/>
+
+  <!-- Nez -->
+  <ellipse class="dog-nose" cx="32" cy="36" rx="3" ry="2.5"/>
+
+  <!-- Crayon dans la bouche -->
+  <!-- Corps du crayon (partie hexagonale) -->
+  <g transform="translate(32, 42) rotate(0)">
+    <!-- Partie principale du crayon -->
+    <rect class="pencil-body" x="-15" y="-2" width="30" height="4" rx="0.5"/>
+
+    <!-- Bandes décoratives -->
+    <rect class="pencil-band" x="-15" y="-2" width="2" height="4"/>
+    <rect class="pencil-band" x="13" y="-2" width="2" height="4"/>
+
+    <!-- Pointe du crayon (gauche) -->
+    <path class="pencil-body" d="M -15 -2 L -19 0 L -15 2 Z"/>
+    <path class="pencil-tip" d="M -19 -0.5 L -22 0 L -19 0.5 Z"/>
+
+    <!-- Gomme (droite) -->
+    <rect class="pencil-eraser" x="15" y="-2" width="3" height="4" rx="0.5"/>
+
+    <!-- Reflet sur le crayon -->
+    <rect class="highlight" x="-12" y="-1.5" width="20" height="1" rx="0.5" opacity="0.3"/>
+  </g>
+
+  <!-- Petites moustaches -->
+  <line class="dog-mouth" x1="18" y1="36" x2="12" y2="35"/>
+  <line class="dog-mouth" x1="18" y1="38" x2="12" y2="39"/>
+  <line class="dog-mouth" x1="46" y1="36" x2="52" y2="35"/>
+  <line class="dog-mouth" x1="46" y1="38" x2="52" y2="39"/>
+</svg>
diff --git a/static/theme.css b/static/theme.css
index faacf83..c790d7e 100644
--- a/static/theme.css
+++ b/static/theme.css
@@ -1,5 +1,5 @@
 /*
- * Project Notes - Material Darker Theme
+ * PersoNotes - Material Darker Theme
  * Inspired by Material Design with dark palette
  */
 
@@ -219,6 +219,38 @@ aside h2,
     margin: 0 0 var(--spacing-sm) 0;
 }
 
+/* Sections rétractables de la sidebar */
+.sidebar-section-header {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    padding: 0.5rem 0;
+    user-select: none;
+    transition: opacity var(--transition-fast);
+}
+
+.sidebar-section-header:hover {
+    opacity: 0.8;
+}
+
+.section-toggle {
+    font-size: 0.75rem;
+    color: var(--text-secondary);
+    display: inline-block;
+    transition: transform var(--transition-fast);
+    width: 1rem;
+    text-align: center;
+}
+
+.section-toggle.expanded {
+    transform: rotate(90deg);
+}
+
+.sidebar-section-content {
+    overflow: hidden;
+    transition: opacity var(--transition-fast);
+}
+
 aside hr {
     border: none;
     border-top: 1px solid var(--border-primary);
diff --git a/static/themes.css b/static/themes.css
index db45c2f..344907d 100644
--- a/static/themes.css
+++ b/static/themes.css
@@ -1,5 +1,5 @@
 /*
- * Project Notes - Multi-Theme System
+ * PersoNotes - Multi-Theme System
  * Supports: Material Dark (default), Monokai Dark, Dracula, One Dark, Solarized Dark, Nord
  */
 
diff --git a/templates/about.html b/templates/about.html
index 26bbfd2..1daecc1 100644
--- a/templates/about.html
+++ b/templates/about.html
@@ -1,7 +1,7 @@
 <div id="about-content" style="padding: 3rem; max-width: 900px; margin: 0 auto;">
     <div style="text-align: center; margin-bottom: 3rem;">
         <h1 style="font-size: 2.5rem; color: #c792ea; margin-bottom: 1rem;">
-            📝 About Project Notes
+            📝 About PersoNotes
         </h1>
         <p style="font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 2rem;">
             Un gestionnaire de notes Markdown moderne et puissant
diff --git a/templates/daily-calendar.html b/templates/daily-calendar.html
index 3aa693d..6c89d2c 100644
--- a/templates/daily-calendar.html
+++ b/templates/daily-calendar.html
@@ -36,6 +36,7 @@
                      hx-get="/api/daily/{{.Date.Format "2006-01-02"}}"
                      hx-target="#editor-container"
                      hx-swap="innerHTML"
+                     hx-push-url="true"
                      {{end}}
                      title="{{if .HasNote}}Note du {{.Date.Format "02/01/2006"}}{{else}}{{.Date.Format "02/01/2006"}} - Pas de note{{end}}">
                     <span class="calendar-day-number">{{.Day}}</span>
@@ -49,6 +50,7 @@
             hx-get="/api/daily/today"
             hx-target="#editor-container"
             hx-swap="innerHTML"
+            hx-push-url="true"
             title="Ouvrir la note du jour">
         📅 Aujourd'hui
     </button>
diff --git a/templates/daily-recent.html b/templates/daily-recent.html
index 5510491..3edf687 100644
--- a/templates/daily-recent.html
+++ b/templates/daily-recent.html
@@ -6,6 +6,7 @@
                hx-get="/api/daily/{{.Date.Format "2006-01-02"}}"
                hx-target="#editor-container"
                hx-swap="innerHTML"
+               hx-push-url="true"
                title="Note du {{.Date.Format "02/01/2006"}}">
                 <span class="daily-recent-icon">📄</span>
                 <div class="daily-recent-content">
diff --git a/templates/editor.html b/templates/editor.html
index 314a827..72937c3 100644
--- a/templates/editor.html
+++ b/templates/editor.html
@@ -10,7 +10,7 @@
                 {{end}}
             </label>
             {{if .IsHome}}
-                <button type="button" class="toggle-preview-btn" hx-get="/api/home" hx-target="#editor-container" hx-swap="innerHTML" title="Actualiser la page d'accueil">
+                <button type="button" class="toggle-preview-btn" hx-get="/api/home" hx-target="#editor-container" hx-swap="innerHTML" hx-push-url="true" title="Actualiser la page d'accueil">
                     🔄 Actualiser
                 </button>
             {{else}}
@@ -32,7 +32,7 @@
                     <ul class="backlinks-list">
                         {{range .Backlinks}}
                         <li class="backlink-item">
-                            <a href="#" onclick="return false;" hx-get="/api/notes/{{.Path}}" hx-target="#editor-container" hx-swap="innerHTML" class="backlink-link">
+                            <a href="#" onclick="return false;" hx-get="/api/notes/{{.Path}}" hx-target="#editor-container" hx-swap="innerHTML" hx-push-url="true" class="backlink-link">
                                 📄 {{.Title}}
                             </a>
                         </li>
diff --git a/templates/favorites.html b/templates/favorites.html
index 5a73baa..8192a71 100644
--- a/templates/favorites.html
+++ b/templates/favorites.html
@@ -16,7 +16,8 @@
                    data-path="{{.Path}}"
                    hx-get="/api/notes/{{.Path}}"
                    hx-target="#editor-container"
-                   hx-swap="innerHTML">
+                   hx-swap="innerHTML"
+                   hx-push-url="true">
                     <span class="favorite-icon">⭐</span>
                     <span class="favorite-file-icon">{{.Icon}}</span>
                     <span class="favorite-name">{{.Title}}</span>
diff --git a/templates/file-tree.html b/templates/file-tree.html
index e725b09..00ec649 100644
--- a/templates/file-tree.html
+++ b/templates/file-tree.html
@@ -1,21 +1,25 @@
-<!-- Indicateur de racine (non cliquable) -->
-<div class="root-indicator">
+<!-- Indicateur de racine (maintenant cliquable et rétractable) -->
+<div class="sidebar-section-header" data-section="notes" onclick="toggleSidebarSection('notes', event)" style="cursor: pointer;">
+    <span class="section-toggle expanded">▶</span>
     <span class="folder-icon">🏠</span>
     <span class="folder-name">Racine</span>
     <span class="root-hint">(notes/)</span>
 </div>
 
-<hr style="border: none; border-top: 1px solid var(--border-primary); margin: 0.75rem 0;">
+<!-- Contenu rétractable du file-tree -->
+<div class="sidebar-section-content" id="notes-content" style="display: block;">
+    <hr style="border: none; border-top: 1px solid var(--border-primary); margin: 0.75rem 0;">
 
-{{if .Tree}}
-{{if .Tree.Children}}
-    {{template "tree-node" .Tree}}
-{{else}}
-    <p style="color: var(--text-muted); font-size: 0.85rem;">Aucune note trouvée.</p>
-{{end}}
-{{else}}
-    <p style="color: var(--text-muted); font-size: 0.85rem;">Aucune note trouvée.</p>
-{{end}}
+    {{if .Tree}}
+    {{if .Tree.Children}}
+        {{template "tree-node" .Tree}}
+    {{else}}
+        <p style="color: var(--text-muted); font-size: 0.85rem;">Aucune note trouvée.</p>
+    {{end}}
+    {{else}}
+        <p style="color: var(--text-muted); font-size: 0.85rem;">Aucune note trouvée.</p>
+    {{end}}
+</div>
 
 {{define "tree-node"}}
     {{range .Children}}
@@ -43,6 +47,7 @@
                    hx-get="/api/notes/{{.Path}}"
                    hx-target="#editor-container"
                    hx-swap="innerHTML"
+                   hx-push-url="true"
                    draggable="true">
                    📄 {{.Name}}
                 </a>
diff --git a/templates/index.html b/templates/index.html
index 437bf55..d9bdd73 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Project Notes</title>
+    <title>PersoNotes</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap" rel="stylesheet">
@@ -21,15 +21,19 @@
     <script src="/frontend/src/font-manager.js"></script>
     <script src="/frontend/src/vim-mode-manager.js"></script>
     <script src="/frontend/src/favorites.js"></script>
+    <script src="/frontend/src/sidebar-sections.js"></script>
     <script src="/frontend/src/keyboard-shortcuts.js"></script>
-    <script type="module" src="/static/dist/project-notes-frontend.es.js"></script>
+    <script type="module" src="/static/dist/personotes-frontend.es.js"></script>
 </head>
 <body>
     <header>
         <button id="toggle-sidebar-btn" title="Afficher/Masquer la barre latérale (Ctrl/Cmd+B)" style="background: none; border: none; padding: 0; margin-right: 1rem; cursor: pointer; color: var(--text-primary); display: flex; align-items: center;">
             <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="3" y1="12" x2="21" y2="12"></line><line x1="3" y1="6" x2="21" y2="6"></line><line x1="3" y1="18" x2="21" y2="18"></line></svg>
         </button>
-        <h1>📝 Project Notes</h1>
+        <div style="display: flex; align-items: center; gap: 0.75rem;">
+            <img src="/static/images/logo.svg" alt="Logo" style="width: 40px; height: 40px;">
+            <h1 style="margin: 0;">PersoNotes</h1>
+        </div>
         <input
             type="search"
             name="query"
@@ -44,6 +48,7 @@
             hx-get="/api/home"
             hx-target="#editor-container"
             hx-swap="innerHTML"
+            hx-push-url="true"
             style="white-space: nowrap;"
             title="Retour à la page d'accueil (Ctrl/Cmd+H)">
             🏠 Accueil
@@ -52,6 +57,7 @@
             hx-get="/api/daily/today"
             hx-target="#editor-container"
             hx-swap="innerHTML"
+            hx-push-url="true"
             style="white-space: nowrap;"
             title="Note du jour (Ctrl/Cmd+D)">
             📅 Note du jour
@@ -478,13 +484,18 @@
             <hr>
 
             <section>
-                <h2 class="sidebar-section-title">⭐ Favoris</h2>
-                <div id="favorites-list"
-                     hx-get="/api/favorites"
-                     hx-trigger="load"
-                     hx-swap="innerHTML">
-                    <!-- Les favoris apparaîtront ici -->
-                    <p style="color: var(--text-muted); font-size: 0.85rem; text-align: center;">Chargement...</p>
+                <div class="sidebar-section-header" data-section="favorites" onclick="toggleSidebarSection('favorites', event)" style="cursor: pointer; display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0;">
+                    <span class="section-toggle expanded">▶</span>
+                    <h2 class="sidebar-section-title" style="margin: 0; flex: 1;">⭐ Favoris</h2>
+                </div>
+                <div class="sidebar-section-content" id="favorites-content" style="display: block;">
+                    <div id="favorites-list"
+                         hx-get="/api/favorites"
+                         hx-trigger="load once delay:100ms"
+                         hx-swap="innerHTML">
+                        <!-- Les favoris apparaîtront ici -->
+                        <p style="color: var(--text-muted); font-size: 0.85rem; text-align: center;">Chargement...</p>
+                    </div>
                 </div>
             </section>
 
@@ -494,7 +505,7 @@
                 <h2 class="sidebar-section-title">📅 Daily Notes</h2>
                 <div id="daily-calendar-container"
                      hx-get="/api/daily/calendar/{{.Now.Format "2006/01"}}"
-                     hx-trigger="load"
+                     hx-trigger="load once delay:150ms"
                      hx-swap="innerHTML">
                     <!-- Le calendrier apparaîtra ici -->
                     <p style="color: var(--text-muted); font-size: 0.85rem; text-align: center;">Chargement...</p>
@@ -503,7 +514,7 @@
                 <h3 style="font-size: 0.8rem; margin-top: var(--spacing-md); margin-bottom: var(--spacing-sm); color: var(--text-secondary);">Récentes</h3>
                 <div id="daily-recent-container"
                      hx-get="/api/daily/recent"
-                     hx-trigger="load"
+                     hx-trigger="load once delay:200ms"
                      hx-swap="innerHTML">
                     <!-- Les notes récentes apparaîtront ici -->
                 </div>
@@ -521,7 +532,7 @@
                         </svg>
                     </button>
                 </div>
-                <div id="file-tree" hx-get="/api/tree" hx-trigger="load" hx-swap="innerHTML">
+                <div id="file-tree" hx-get="/api/tree" hx-trigger="load once delay:250ms" hx-swap="innerHTML">
                     <!-- L'arborescence des fichiers apparaîtra ici -->
                     <p style="color: var(--text-muted); font-size: 0.85rem;">Chargement...</p>
                 </div>
@@ -546,7 +557,7 @@
                 <!-- Bouton À propos -->
                 <button 
                     class="sidebar-action-btn" 
-                    title="À propos de Project Notes"
+                    title="À propos de PersoNotes"
                     hx-get="/api/about"
                     hx-target="#editor-container"
                     hx-swap="innerHTML"
@@ -562,7 +573,7 @@
         <main id="main-content">
             <div id="editor-container"
                  hx-get="/api/home"
-                 hx-trigger="load"
+                 hx-trigger="load once"
                  hx-swap="innerHTML">
                 <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; height: 50vh; text-align: center; color: var(--text-secondary);">
                     <svg style="width: 64px; height: 64px; margin-bottom: 1rem; opacity: 0.5;" fill="none" stroke="currentColor" viewBox="0 0 24 24">
diff --git a/templates/search-results.html b/templates/search-results.html
index e78bdb9..0264b0e 100644
--- a/templates/search-results.html
+++ b/templates/search-results.html
@@ -10,7 +10,8 @@
                        class="search-result-link"
                        hx-get="/api/notes/{{.Path}}"
                        hx-target="#editor-container"
-                       hx-swap="innerHTML">
+                       hx-swap="innerHTML"
+                       hx-push-url="true">
                         <div class="search-result-icon">📄</div>
                         <div class="search-result-content">
                             <div class="search-result-header">