feat: Add presence heartbeat for Matrix online status

- matrix-gateway: POST /internal/matrix/presence/online endpoint
- usePresenceHeartbeat hook with activity tracking
- Auto away after 5 min inactivity
- Offline on page close/visibility change
- Integrated in MatrixChatRoom component

scripts/start-phase2.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Start Phase 2 Agent Integration Services
+
+echo "🚀 Starting DAARION Phase 2 Services..."
+echo ""
+
+# Check if docker network exists
+if ! docker network inspect daarion >/dev/null 2>&1; then
+    echo "📦 Creating daarion network..."
+    docker network create daarion
+fi
+
+# Start services
+echo "📦 Building and starting services..."
+docker-compose -f docker-compose.agents.yml up -d --build
+
+echo ""
+echo "⏳ Waiting for services to be healthy..."
+sleep 10
+
+echo ""
+echo "✅ Phase 2 services started!"
+echo ""
+echo "Services:"
+echo "  - agent-filter: http://localhost:7005"
+echo "  - router: http://localhost:8000"
+echo "  - agent-runtime: http://localhost:7006"
+echo ""
+echo "Check status:"
+echo "  docker ps | grep -E '(agent-filter|router|agent-runtime)'"
+echo ""
+echo "Check logs:"
+echo "  docker logs -f agent-filter"
+echo "  docker logs -f router"
+echo "  docker logs -f agent-runtime"
+echo ""
+echo "Run tests:"
+echo "  ./scripts/test-phase2-e2e.sh"
+
+
+
+