Rename block .editor files to .config

Also drop the color and leftSideBarVisible overrides from PageEditor.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014xjLo7mFxZXfPDCHuKX4Dz

components/shopify/policy-body.config.tsx

@@ -0,0 +1,44 @@
+import { ComponentConfig } from '@reacteditor/core';
+import { FileText } from 'lucide-react';
+import PolicyBody, {
+  type PolicyBodyProps,
+} from '@/components/shopify/policy-body';
+import { POLICY_HANDLES } from '@/hooks/use-shopify-policies';
+
+const policyBodyEditor: ComponentConfig<PolicyBodyProps> = {
+  label: 'Policy',
+  icon: <FileText size={16} />,
+  category: 'content',
+  defaultProps: {
+    handle: '',
+    title: '',
+    notFoundMessage: 'This policy has not been published yet.',
+  },
+  fields: {
+    handle: {
+      label: 'Policy',
+      type: 'select',
+      options: [
+        { label: 'Follow the page URL', value: '' },
+        ...POLICY_HANDLES.map((handle) => ({
+          label: handle.replace(/-/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase()),
+          value: handle,
+        })),
+      ],
+    },
+    title: {
+      label: 'Title override',
+      type: 'text',
+      placeholder: "Leave empty to use the policy's own title",
+      contentEditable: true,
+    },
+    notFoundMessage: {
+      label: 'Not-found message',
+      type: 'text',
+      contentEditable: true,
+    },
+  },
+  render: (props) => <PolicyBody {...props} />,
+};
+
+export default policyBodyEditor;