rename session pinning to model affinity with x-model-affinity header

demos/llm_routing/session_pinning/start_agents.sh

@@ -1,28 +0,0 @@
-#!/bin/bash
-set -e
-
-SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-PIDS=()
-
-log() { echo "$(date '+%F %T') - $*"; }
-
-cleanup() {
-    log "Stopping agents..."
-    for PID in "${PIDS[@]}"; do
-        kill "$PID" 2>/dev/null && log "Stopped process $PID"
-    done
-    exit 0
-}
-
-trap cleanup EXIT INT TERM
-
-export PLANO_URL="${PLANO_URL:-http://localhost:12000}"
-export AGENT_PORT="${AGENT_PORT:-8000}"
-
-log "Starting research_agent on port $AGENT_PORT..."
-uv run "$SCRIPT_DIR/agent.py" &
-PIDS+=($!)
-
-for PID in "${PIDS[@]}"; do
-    wait "$PID"
-done