feat(codex): add remote compaction toggle for third-party providers

Write model_providers name as "OpenAI" to let Codex attempt remote
compaction through compatible endpoints. Hidden for official providers.

src/components/providers/forms/CodexConfigEditor.tsx

@@ -7,6 +7,10 @@ interface CodexConfigEditorProps {
 
   configValue: string;
 
+  providerName?: string;
+
+  showRemoteCompaction?: boolean;
+
   onAuthChange: (value: string) => void;
 
   onConfigChange: (value: string) => void;
@@ -37,6 +41,8 @@ interface CodexConfigEditorProps {
 const CodexConfigEditor: React.FC<CodexConfigEditorProps> = ({
   authValue,
   configValue,
+  providerName,
+  showRemoteCompaction,
   onAuthChange,
   onConfigChange,
   onAuthBlur,
@@ -72,6 +78,8 @@ const CodexConfigEditor: React.FC<CodexConfigEditorProps> = ({
       <CodexConfigSection
         value={configValue}
         onChange={onConfigChange}
+        providerName={providerName}
+        showRemoteCompaction={showRemoteCompaction}
         useCommonConfig={useCommonConfig}
         onCommonConfigToggle={onCommonConfigToggle}
         onEditCommonConfig={() => setIsCommonConfigModalOpen(true)}