Apply agent account selection to CLI subprocesses (#14233)

* Apply agent account selection to CLI subprocesses

* Fix account dispatch edge cases and remove redundant shell wrappers

* Use the current account when launching a new agent session

default/bash/fns/agent-accounts

@@ -1,35 +0,0 @@
-# Start Claude Code, Codex, and Grok as the active subscription account, so
-# `cx`, `cy`, `tdl` and a plain `claude` all follow `omarchy agent account use`.
-# An explicitly set CLAUDE_CONFIG_DIR / CODEX_HOME / GROK_HOME still wins.
-claude() {
-  local home=""
-  [[ -z ${CLAUDE_CONFIG_DIR:-} ]] && home=$(omarchy-agent-account-home claude)
-
-  if [[ -n $home ]]; then
-    CLAUDE_CONFIG_DIR="$home" command claude "$@"
-  else
-    command claude "$@"
-  fi
-}
-
-codex() {
-  local home=""
-  [[ -z ${CODEX_HOME:-} ]] && home=$(omarchy-agent-account-home codex)
-
-  if [[ -n $home ]]; then
-    CODEX_HOME="$home" command codex "$@"
-  else
-    command codex "$@"
-  fi
-}
-
-grok() {
-  local home=""
-  [[ -z ${GROK_HOME:-} ]] && home=$(omarchy-agent-account-home grok)
-
-  if [[ -n $home ]]; then
-    GROK_HOME="$home" command grok "$@"
-  else
-    command grok "$@"
-  fi
-}