fix: use message field for Codex permission card subtitle

Codex elicitation requests from MCP use the 'message' field (from
ElicitRequest schema), not 'command' or 'cwd'. Update the permission
handler to extract and pass this field, and display it as the card
subtitle with fallback to command.

cli/src/codex/codexMcpClient.ts

@@ -262,8 +262,9 @@ export class CodexMcpClient {
                         toolCallId,
                         toolName,
                         {
-                            command: command ?? [],
-                            cwd: cwd ?? ''
+                            message: typeof params.message === 'string' ? params.message : undefined,
+                            command: command ?? undefined,
+                            cwd: cwd ?? undefined
                         }
                     );
 

cli/src/codex/codexRemoteLauncher.ts

@@ -314,6 +314,7 @@ class CodexRemoteLauncher extends RemoteLauncherBase {
         const permissionHandler = new CodexPermissionHandler(session.client, {
             onRequest: ({ id, toolName, input }) => {
                 const inputRecord = input && typeof input === 'object' ? input as Record<string, unknown> : {};
+                const message = typeof inputRecord.message === 'string' ? inputRecord.message : undefined;
                 const rawCommand = inputRecord.command;
                 const command = Array.isArray(rawCommand)
                     ? rawCommand.filter((part): part is string => typeof part === 'string').join(' ')
@@ -329,6 +330,7 @@ class CodexRemoteLauncher extends RemoteLauncherBase {
                     callId: id,
                     input: {
                         tool: toolName,
+                        message,
                         command,
                         cwd
                     },