refactor: replace sleep-for vterm hack with process-send-string for Hermes launch

- Replaced sleep-for 0.5 + vterm-send-string timing hack with
  direct process-send-string (no timing race)
- Removed TUI chat command, SSH uses -t PTY for clean CLI mode
- Lines 947-957 in config.el

doom/.config/doom/config.el

@@ -946,16 +946,15 @@ Handles org-clock and context link capture for tasks."
               (evil-local-set-key 'insert (kbd "C-j") #'vterm--self-insert)))
   ;; Quick launch Hermes Agent on lazyworkhorse server
   (defun gortium/hermes-vterm ()
-    "Launch Hermes Agent in a vterm buffer via SSH to lazyworkhorse."
+    "Launch Hermes Agent in vterm via SSH to lazyworkhorse (CLI mode)."
     (interactive)
     (let ((buf (get-buffer-create "*hermes*")))
       (switch-to-buffer buf)
       (unless (get-buffer-process buf)
         (vterm buf)
-        (sleep-for 0.5)
-        ;; SSH to server, then exec into docker and run hermes from venv
-        (vterm-send-string "ssh lazyworkhorse 'docker exec -it hermes /opt/hermes/.venv/bin/hermes chat'")
-        (vterm-send-return)))))
+        (let ((proc (get-buffer-process buf)))
+          (when proc
+            (process-send-string proc "ssh -t lazyworkhorse hermes\n")))))))
 
 ;; GPTel AI chat for emacs
 (use-package! gptel