rename: letta remote -> letta server with remote as alias (#1265)

Co-authored-by: Letta Code <noreply@letta.com>

src/websocket/listen-log.ts

@@ -1,5 +1,5 @@
 /**
- * Always-on file logger for letta remote sessions.
+ * Always-on file logger for letta server sessions.
  * Writes to ~/.letta/logs/remote/{timestamp}.log regardless of --debug mode.
  * Debug mode additionally prints to console; this file always captures the log.
  */

src/websocket/listen-register.ts

@@ -1,5 +1,5 @@
 /**
- * Shared registration helper for letta remote / /remote command.
+ * Shared registration helper for letta server / /server command.
  * Owns the HTTP request contract and error handling; callers own UX strings and logging.
  */
 import { getVersion } from "../version.ts";