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-phase3.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+echo "🚀 Starting DAARION Phase 3 services..."
+echo ""
+
+# Check if .env.phase3 exists
+if [ ! -f .env.phase3 ]; then
+    echo "⚠️  .env.phase3 not found. Creating from example..."
+    cp .env.phase3.example .env.phase3
+    echo "✅ Created .env.phase3 - please edit it with your API keys"
+    echo ""
+fi
+
+# Load environment
+export $(cat .env.phase3 | grep -v '^#' | xargs)
+
+# Build and start services
+echo "📦 Building services..."
+docker-compose -f docker-compose.phase3.yml build
+
+echo ""
+echo "▶️  Starting services..."
+docker-compose -f docker-compose.phase3.yml up -d
+
+echo ""
+echo "⏳ Waiting for services to be healthy..."
+sleep 10
+
+echo ""
+echo "✅ Phase 3 services started!"
+echo ""
+echo "📊 Service Status:"
+echo "  - LLM Proxy:            http://localhost:7007/health"
+echo "  - Memory Orchestrator:  http://localhost:7008/health"
+echo "  - Toolcore:             http://localhost:7009/health"
+echo "  - Agent Runtime:        http://localhost:7006/health"
+echo "  - Agent Filter:         http://localhost:7005/health"
+echo "  - Router:               http://localhost:8000/health"
+echo "  - Messaging Service:    http://localhost:7004/api/messaging/health"
+echo "  - PostgreSQL:           localhost:5432"
+echo "  - NATS:                 localhost:4222 (monitoring: localhost:8222)"
+echo ""
+echo "📝 View logs:"
+echo "  docker-compose -f docker-compose.phase3.yml logs -f [service]"
+echo ""
+echo "🛑 Stop services:"
+echo "  ./scripts/stop-phase3.sh"
+echo ""
+
+
+
+