Keep prompted Hermes sessions interactive

Hermes oneshot deliberately exits after answering, which closes the agent terminal. Seed the TUI chat session instead, keep inherited flags after the subcommand for older Hermes parsers, and bind the query as one argument so dash-prefixed prompts remain data.

Co-Authored-By: Codex XHigh <noreply@openai.com>

bin/omarchy-agent

@@ -87,10 +87,9 @@ codex)
   [[ -n ${prompt:-} ]] && command+=(-- "$prompt")
   ;;
 hermes)
-  # Hermes has no "start interactive, seeded with this prompt" mode. --oneshot
-  # answers the prompt and exits, which is the closest it offers.
   if [[ -n ${prompt:-} ]]; then
-    command=(hermes --yolo --oneshot "$prompt")
+    # Keep inherited flags after chat so older Hermes subparsers do not clear them.
+    command=(hermes chat --yolo --tui "--query=$prompt")
   else
     command=(hermes --yolo)
   fi