docs(structured-content): add toggle lock buttons for inline and block

Author: tupizz

apps/docs/snippets/extensions/structured-content.mdx

@@ -67,6 +67,34 @@ import { SuperDocEditor } from '/snippets/components/superdoc-editor.jsx'
         }
       },
     ],
+    [
+      {
+        label: 'Toggle inline lock',
+        onClick: (superdoc) => {
+          const editor = superdoc?.activeEditor || superdoc?.editor
+          if (!editor?.commands) return
+          const tags = editor.helpers.structuredContentCommands.getStructuredContentTags(editor.state)
+          const field = tags.find(t => String(t.id) === '1')
+          const locked = field?.lockMode && field.lockMode !== 'unlocked'
+          editor.commands.updateStructuredContentById('1', {
+            attrs: { lockMode: locked ? 'unlocked' : 'sdtContentLocked' },
+          });
+        }
+      },
+      {
+        label: 'Toggle block lock',
+        onClick: (superdoc) => {
+          const editor = superdoc?.activeEditor || superdoc?.editor
+          if (!editor?.commands) return
+          const tags = editor.helpers.structuredContentCommands.getStructuredContentTags(editor.state)
+          const field = tags.find(t => String(t.id) === '2')
+          const locked = field?.lockMode && field.lockMode !== 'unlocked'
+          editor.commands.updateStructuredContentById('2', {
+            attrs: { lockMode: locked ? 'unlocked' : 'sdtContentLocked' },
+          });
+        }
+      },
+    ],
     [
       {
         label: 'Delete all fields',