feat(array): ARRAYEDIT Source edits what an associative array repeats

ARRAYEDIT picks an associative array (or takes the preselected one) and
its Source option opens the objects every item repeats in the Block
Editor; saving there updates all items at once. Counts and spacings stay
in Properties.

Refs #1109

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/commands/blocks.rs

@@ -301,6 +301,45 @@ impl OpenCADStudio {
                 }
             }
 
+            // ARRAYEDIT — edit an associative array; a preselected one skips
+            // the pick.
+            "ARRAYEDIT" => {
+                use crate::modules::draw::modify::arrayedit::ArrayEditCommand;
+                let selected = self.tabs[i].scene.selected_handles_in_order();
+                let array = match selected.as_slice() {
+                    [handle] => Some(*handle),
+                    _ => None,
+                };
+                self.tabs[i].scene.deselect_all();
+                let command = ArrayEditCommand::new(array);
+                self.command_line.push_info(&command.prompt());
+                self.tabs[i].active_cmd = Some(Box::new(command));
+            }
+
+            // ARRAYEDIT Source: edit the objects the array repeats in the
+            // Block Editor; every item follows when it is saved.
+            cmd if cmd.starts_with("ARRAYEDIT_SOURCE:") => {
+                let handle = codec::Handle::new(
+                    cmd["ARRAYEDIT_SOURCE:".len()..].parse().unwrap_or(0),
+                );
+                let document = &self.tabs[i].scene.document;
+                let source = crate::scene::assoc_array::array_of_insert(document, handle)
+                    .and_then(|array| {
+                        document
+                            .block_records
+                            .iter()
+                            .find(|record| record.handle == array.source_block)
+                            .map(|record| record.name.clone())
+                    });
+                match source {
+                    Some(name) => return Some(self.dispatch_command(&format!("BEDIT_OPEN:{name}"))),
+                    None => self.command_line.push_error(
+                        crate::t!("ARRAYEDIT: the selected object is not an associative array.")
+                            .as_ref(),
+                    ),
+                }
+            }
+
             // PASTESPEC — offer the copied objects now; the system clipboard's
             // text joins the formats once read (Message::PasteSpecial).
             "PASTESPEC" => {