Publish built-in document edits to V4 plugins

src/app/update/mod.rs

@@ -262,6 +262,23 @@ impl OpenCADStudio {
         crate::plugin::v4_support::publish_selection_changed_v4(tab_id, handles);
     }
 
+    /// Refresh the shared V4 document after built-in geometry edits. Plugin
+    /// writes publish through HostSession immediately; the fingerprint avoids
+    /// sending a duplicate notification at this message boundary.
+    #[cfg(not(target_arch = "wasm32"))]
+    pub(super) fn notify_plugins_document_changed(&mut self) {
+        if self.active_tab >= self.tabs.len() {
+            return;
+        }
+        let tab = &self.tabs[self.active_tab];
+        let key = (tab.id, tab.scene.geometry_epoch);
+        if self.last_plugin_document == Some(key) {
+            return;
+        }
+        self.last_plugin_document = Some(key);
+        crate::plugin::v4_support::publish_document_view_v4(tab.id, &tab.scene.document);
+    }
+
     pub fn update(&mut self, msg: Message) -> Task<Message> {
         self.control_observe_user_message(&msg);
         let perf_started = crate::perf::enabled().then(Instant::now);
@@ -319,6 +336,8 @@ impl OpenCADStudio {
         // and plugin request draining).
         #[cfg(not(target_arch = "wasm32"))]
         self.notify_plugins_selection_changed();
+        #[cfg(not(target_arch = "wasm32"))]
+        self.notify_plugins_document_changed();
         // OTRACK acquires tracking points only while a command or grip drag is
         // running; drop them once neither is active so the temporary tracking
         // points / vectors disappear when the command ends (issue #64).