fix: add missing open-settings command

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/main.ts

@@ -43,6 +43,15 @@ export default class FormfirePlugin extends Plugin {
       callback: () => this.activateSidebar(),
     });
 
+    this.addCommand({
+      id: 'open-settings',
+      name: 'Open settings',
+      callback: () => {
+        (this.app as any).setting.open();
+        (this.app as any).setting.openTabById('formfire');
+      },
+    });
+
     // Dynamic per-form commands
     this.registerDynamicCommands();
   }