fix: preserve web builds and leader selection order

src/app/commands/blocks.rs

@@ -106,14 +106,6 @@ impl OpenCADStudio {
                         &handles,
                     );
                     let count = self.copy_entities_to_clipboard(i, &handles, base);
-                    // Copy to system clipboard as JSON for web/cross-platform support
-                    if let Ok(clipboard_data) = serde_json::to_string(&self.clipboard) {
-                        return Some(iced::clipboard::write(format!(
-                            "OCS_CLIPBOARD_JSON\n{}\n{}",
-                            serde_json::json!([base.x, base.y, base.z]).to_string(),
-                            clipboard_data
-                        )).discard());
-                    }
                     self.command_line.push_info(crate::tf!(
                         "{} object(s) copied to clipboard.",
                         count
@@ -159,14 +151,6 @@ impl OpenCADStudio {
                 if coords.len() == 3 && !handles.is_empty() {
                     let base = glam::DVec3::new(coords[0], coords[1], coords[2]);
                     let count = self.copy_entities_to_clipboard(i, &handles, base);
-                    // Copy to system clipboard as JSON for web/cross-platform support
-                    if let Ok(clipboard_data) = serde_json::to_string(&self.clipboard) {
-                        let _ = iced::clipboard::write(format!(
-                            "OCS_CLIPBOARD_JSON\n{}\n{}",
-                            serde_json::json!([base.x, base.y, base.z]).to_string(),
-                            clipboard_data
-                        ));
-                    }
                     self.command_line.push_info(crate::tf!(
                         "{} object(s) copied to clipboard (base {:.3},{:.3}).",
                         count,
@@ -195,14 +179,6 @@ impl OpenCADStudio {
                         &handles,
                     );
                     let count = self.copy_entities_to_clipboard(i, &handles, base);
-                    // Copy to system clipboard as JSON for web/cross-platform support
-                    if let Ok(clipboard_data) = serde_json::to_string(&self.clipboard) {
-                        let _ = iced::clipboard::write(format!(
-                            "OCS_CLIPBOARD_JSON\n{}\n{}",
-                            serde_json::json!([base.x, base.y, base.z]).to_string(),
-                            clipboard_data
-                        ));
-                    }
                     self.push_undo_snapshot(i, "CUTCLIP");
                     self.tabs[i].scene.erase_entities(&handles);
                     self.tabs[i].scene.deselect_all();

src/app/properties.rs

@@ -35,7 +35,7 @@ impl OpenCADStudio {
         // A 186 468-entity selection spends ~112 ms in here. Split it into the
         // three phases that can own that: resolving the selected handles,
         // building the panel, and syncing the ribbon.
-        let t_all = crate::perf::enabled().then(std::time::Instant::now);
+        let t_all = crate::perf::enabled().then(iced::time::Instant::now);
         let i = self.active_tab;
         if !crate::entities::object_data::cache_is_prepared(
             &self.tabs[i].scene.object_data_cache,
@@ -112,7 +112,7 @@ impl OpenCADStudio {
         // Everything before this is the prelude: the object-data cache, the
         // unit context, the layer and linetype lists.
         let m_prelude = t_all.map(|t| t.elapsed().as_secs_f64() * 1000.0);
-        let t_handles = crate::perf::enabled().then(std::time::Instant::now);
+        let t_handles = crate::perf::enabled().then(iced::time::Instant::now);
         // `selected_entities` resolves every handle to an entity and builds a
         // vector of pairs; only the handles are wanted here, but the resolution
         // is what decides membership — a handle whose entity is gone is not in
@@ -2196,7 +2196,7 @@ impl OpenCADStudio {
                     // the active group, moving into the working plane, and
                     // aggregating into "varies" rows. `properties-detail`
                     // reports this whole arm as `rest`; this splits it.
-                    let t_arm = crate::perf::enabled().then(std::time::Instant::now);
+                    let t_arm = crate::perf::enabled().then(iced::time::Instant::now);
                     let groups = build_selection_groups(&selected);
                     let t_groups = t_arm.map(|t| t.elapsed().as_secs_f64() * 1000.0);
                     let active_group = selected_group
@@ -2372,7 +2372,7 @@ filter={:.1} local={:.1} aggregate={:.1} entities={}",
         self.tabs[i].properties = new_panel;
         self.refresh_selected_grips();
         let m_panel = t_all.map(|t| t.elapsed().as_secs_f64() * 1000.0);
-        let t_ribbon = crate::perf::enabled().then(std::time::Instant::now);
+        let t_ribbon = crate::perf::enabled().then(iced::time::Instant::now);
         self.sync_ribbon_from_selection();
         if let Some(t) = t_all {
             let ribbon_ms = t_ribbon.map_or(0.0, |r| r.elapsed().as_secs_f64() * 1000.0);