feat: star favoris dynamique + sidebar refresh sans reload

- page_editor: étoile ⭐/☆ dynamique selon favorited (x-text)
- toggleFavorite() appelle refreshFavorites() du sidebar
- base.html: refreshFavorites() fetch /api/library/favorites + rebuild DOM
- Context menu 'Add to Favorites' → refreshFavorites() au lieu de location.reload()
- Les items dynamiques ont onclick/oncontextmenu pour fonctionner hors Alpine

app/templates/page_editor.html

@@ -2,7 +2,7 @@
 page_title %}{{ page.title }}{% endblock %} {% block topbar %}
 {% set page_icon = "📄" if page.content_format != 'file' else "📎" %}
 {% set page_title = page.title %}
-{% set right_actions = '<span class="topbar-edited" style="cursor:pointer;" @click="window.E && window.E.toggleActivityOpen()">Edited <span x-text="window.E && window.E.timeAgo || \'\'"></span> ▾</span><button class="topbar-btn share-btn" @click="window.E && window.E.toggleShareOpen()">🔒 Share ▾</button><button class="topbar-btn" @click="window.E && window.E.copyPageLink()" title="Copy link">🔗</button><button class="topbar-btn star-btn" @click="window.E && window.E.toggleFavorite()">⭐</button><button class="topbar-btn relative" @click="window.E && window.E.toggleMoreOpen()">⋯</button>' %}
+{% set right_actions = '<span class="topbar-edited" style="cursor:pointer;" @click="window.E && window.E.toggleActivityOpen()">Edited <span x-text="window.E && window.E.timeAgo || \'\'"></span> ▾</span><button class="topbar-btn share-btn" @click="window.E && window.E.toggleShareOpen()">🔒 Share ▾</button><button class="topbar-btn" @click="window.E && window.E.copyPageLink()" title="Copy link">🔗</button><button class="topbar-btn star-btn" @click="window.E && window.E.toggleFavorite()" x-text="(window.E && window.E.favorited) ? \'⭐\' : \'☆\'"></button><button class="topbar-btn relative" @click="window.E && window.E.toggleMoreOpen()">⋯</button>' %}
 {% include '_header.html' %}
 {% endblock %} {% block content %}
 <div class="page-editor-wrapper" x-data="editorState()">
@@ -686,7 +686,9 @@ page_title %}{{ page.title }}{% endblock %} {% block topbar %}
           const csrf=document.cookie.match(/csrf_token=([^;]+)/);
           const m=this.favorited?'DELETE':'POST';
           fetch(`/board/api/favorites/${this.pid}`,{method:m,headers:{'X-CSRF-Token':csrf?csrf[1]:''}})
-            .then(r=>r.json()).then(()=>{this.favorited=!this.favorited;this.showToast(this.favorited?'Added to favorites':'Removed from favorites');}).catch(()=>{this.showToast('Failed to toggle favorite');});
+            .then(r=>r.json()).then(()=>{this.favorited=!this.favorited;this.showToast(this.favorited?'Added to favorites':'Removed from favorites');
+              if(window.appState&&window.appState.refreshFavorites)window.appState.refreshFavorites();
+            }).catch(()=>{this.showToast('Failed to toggle favorite');});
         },
         toggleActivityOpen(){
           if(!this.activityOpen){this.activityOpen=true;this._justOpened=true;setTimeout(()=>this._justOpened=false,200);}