o tui: accept [session] [agent] positional args

data/scripts/o

@@ -368,17 +368,39 @@ cmd_kill() {
 }
 
 cmd_tui() {
+    local tmux_session="${session:-}"
     local s a
-    s=$(require_session) || exit 1
-    a=$(require_agent "$s") || exit 1
-
-    local tmux_session="o-${s}"
 
+    # Check for subcommands first
     if [[ "${1:-}" == "exit" ]]; then
-        tmux kill-session -t "$tmux_session" 2>/dev/null && echo "[killed $tmux_session]" || echo "no tui session: $tmux_session"
+        if [[ -z "$tmux_session" ]]; then
+            echo "error: no session context" >&2
+            exit 1
+        fi
+        tmux kill-session -t "o-${tmux_session}" 2>/dev/null && echo "[killed o-${tmux_session}]" || echo "no tui session: o-${tmux_session}"
         return
     fi
 
+    # Accept optional positional args: o tui [session] [agent]
+    s="${1:-${session:-}}"
+    if [[ -n "$1" ]]; then shift; fi
+    a="${1:-${agent:-}}"
+
+    if [[ -z "$s" ]]; then
+        echo "error: no session set" >&2
+        echo "  usage: o tui <session> [agent]" >&2
+        echo "  or:    export session=<name>" >&2
+        exit 1
+    fi
+    if [[ -z "$a" ]]; then
+        echo "error: no agent set" >&2
+        echo "  usage: o tui <session> <agent>" >&2
+        echo "  or:    export agent=<name>" >&2
+        exit 1
+    fi
+
+    tmux_session="o-${s}"
+
     tmux kill-session -t "$tmux_session" 2>/dev/null || true
 
     # Layout: