feat: implement server-wide management actions and enhance TUI dashboard

dev-scripts/ps.sh

@@ -26,6 +26,7 @@ while IFS='|' read -r id _version _enabled _desc _cfg; do
   fi
 
   pid="$(read_pid "$id")"
+  instance_count="$(count_instances "$id")"
   ((found++)) || true
 
   # Uptime: calcular desde el inicio del proceso
@@ -78,6 +79,12 @@ while IFS='|' read -r id _version _enabled _desc _cfg; do
   printf "%-22s  ${GRN}%-8s${RST}  %-12s  %-10s  %-8s  %s\n" \
     "$id" "$pid" "$uptime" "$mem" "${cpu_pct}%" "$log_size"
 
+  # Warn about duplicate instances
+  if [[ "$instance_count" -gt 1 ]]; then
+    printf "  ${RED}⚠ WARNING: %d instances running!${RST} PIDs: %s\n" \
+      "$instance_count" "$(find_agent_pids "$id" | tr '\n' ' ')"
+  fi
+
 done < <(list_agents_raw)
 
 if [[ "$found" -eq 0 ]]; then