feat(ui): rinomina Misure→Attività, textarea descrizione task, tool Testo annotazioni

- Navbar e breadcrumb: label "Misure" rinominata "Attività" (IT) / "Activities" (EN)
- Descrizione task: input sostituito con textarea multilinea + display whitespace-pre-wrap
- Annotation editor: nuovo tool "Testo" con fabric.IText (inline editing, serializzazione, viewer)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/frontend/flask_app/templates/maker/task_drawing.html

@@ -247,6 +247,18 @@
           <span class="hidden sm:inline">{{ _('Rettangolo') }}</span>
         </button>
 
+        <!-- Text Tool -->
+        <button type="button"
+                class="anno-btn"
+                :class="{ 'active': annoTool === 'text' }"
+                @click="setAnnoTool('text')"
+                title="{{ _('Testo') }}">
+          <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M4 6h16M4 6v2m16-2v2M7 6v12m0 0h2m-2 0H5m12-12v12m0 0h2m-2 0h-2"/>
+          </svg>
+          <span class="hidden sm:inline">{{ _('Testo') }}</span>
+        </button>
+
         <!-- Separator -->
         <div class="w-px h-6 bg-[var(--border-color)] mx-1"></div>
 

src/frontend/flask_app/templates/maker/task_editor.html

@@ -269,12 +269,12 @@
                  placeholder="{{ _('Es. Seguire procedura ISO 2768') }}">
         </div>
         <!-- Descrizione -->
-        <div>
+        <div class="sm:col-span-2">
           <label class="tmf-label">{{ _('Descrizione') }}</label>
-          <input type="text"
-                 x-model="newTask.description"
-                 class="tmf-input"
-                 placeholder="{{ _('Descrizione opzionale...') }}">
+          <textarea x-model="newTask.description"
+                    class="tmf-input text-sm"
+                    rows="3"
+                    placeholder="{{ _('Descrizione opzionale...') }}"></textarea>
         </div>
       </div>
     </div>
@@ -497,7 +497,7 @@
                 <template x-if="task.description">
                   <div class="flex items-start gap-2">
                     <span class="text-xs font-semibold text-[var(--text-muted)] uppercase tracking-wide shrink-0 mt-0.5">{{ _('Descrizione') }}:</span>
-                    <span class="text-sm text-[var(--text-secondary)]" x-text="task.description"></span>
+                    <span class="text-sm text-[var(--text-secondary)] whitespace-pre-wrap" x-text="task.description"></span>
                   </div>
                 </template>
               </div>
@@ -513,12 +513,12 @@
                          class="tmf-input text-sm"
                          placeholder="{{ _('Direttiva opzionale...') }}">
                 </div>
-                <div>
+                <div class="sm:col-span-2">
                   <label class="tmf-label">{{ _('Descrizione') }}</label>
-                  <input type="text"
-                         x-model="editTaskData.description"
-                         class="tmf-input text-sm"
-                         placeholder="{{ _('Descrizione opzionale...') }}">
+                  <textarea x-model="editTaskData.description"
+                            class="tmf-input text-sm"
+                            rows="3"
+                            placeholder="{{ _('Descrizione opzionale...') }}"></textarea>
                 </div>
               </div>
             </template>

src/frontend/flask_app/templates/measure/task_list.html

@@ -134,7 +134,7 @@
 
             <!-- Directive -->
             {% if task.directive or task.description %}
-            <p class="text-sm text-[var(--text-secondary)] leading-relaxed mb-3 line-clamp-2">
+            <p class="text-sm text-[var(--text-secondary)] leading-relaxed mb-3 line-clamp-2 whitespace-pre-wrap">
               {{ task.directive or task.description }}
             </p>
             {% endif %}