feat(tablestyle): add Annotative toggle to the Table Style editor

The table-style details panel gains an Annotative checkbox that flips the
new TableStyle.annotative flag, rounding out annotative across the Text,
Dimension and Table style editors.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/mod.rs

@@ -898,6 +898,8 @@ pub enum Message {
     TableStyleDialogSelect(String),
     TableStyleDialogNew,
     TableStyleDialogDelete,
+    /// Toggle the Annotative flag on the selected table style.
+    TableStyleToggleAnnotative,
     // ── MLineStyle Dialog ─────────────────────────────────────────────────
     MlStyleDialogOpen,
     #[allow(dead_code)]

src/app/update.rs

@@ -5744,6 +5744,22 @@ impl OpenCADStudio {
                 Task::none()
             }
 
+            Message::TableStyleToggleAnnotative => {
+                use acadrust::objects::ObjectType;
+                let i = self.active_tab;
+                let name = self.tablestyle_selected.clone();
+                self.push_undo_snapshot(i, "TABLESTYLE EDIT");
+                for obj in self.tabs[i].scene.document.objects.values_mut() {
+                    if let ObjectType::TableStyle(s) = obj {
+                        if s.name == name {
+                            s.annotative = !s.annotative;
+                        }
+                    }
+                }
+                self.tabs[i].dirty = true;
+                Task::none()
+            }
+
             Message::TableStyleDialogNew => {
                 use acadrust::objects::ObjectType;
                 let i = self.active_tab;