run demos without docker, keep docker optional via --with-ui

demos/advanced/multi_turn_rag/start_agents.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+PIDS=()
+
+log() { echo "$(date '+%F %T') - $*"; }
+
+cleanup() {
+    log "Stopping agents..."
+    for PID in "${PIDS[@]}"; do
+        kill $PID 2>/dev/null && log "Stopped process $PID"
+    done
+    exit 0
+}
+
+trap cleanup EXIT INT TERM
+
+log "Starting rag_energy_source_agent on port 18083..."
+uv run uvicorn main:app --host 0.0.0.0 --port 18083 &
+PIDS+=($!)
+
+for PID in "${PIDS[@]}"; do
+    wait "$PID"
+done