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-phase4.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+# Start DAARION Phase 4 Services
+# Включає auth-service, pdp-service, usage-engine + всі попередні
+
+echo "🚀 Starting DAARION Phase 4 (Security Layer)..."
+
+# Check if .env exists
+if [ ! -f .env ]; then
+    echo "⚠️  .env file not found. Creating template..."
+    cat > .env << EOF
+# OpenAI API Key
+OPENAI_API_KEY=your-openai-api-key-here
+
+# DeepSeek API Key (optional)
+DEEPSEEK_API_KEY=your-deepseek-api-key-here
+
+# Matrix Homeserver (optional, for Phase 1)
+MATRIX_HOMESERVER_URL=https://matrix.org
+EOF
+    echo "✅ Created .env template. Please edit it and add your API keys."
+    exit 1
+fi
+
+# Build and start all services
+docker-compose -f docker-compose.phase4.yml up --build -d
+
+echo ""
+echo "✅ Phase 4 services started!"
+echo ""
+echo "📊 Services:"
+echo "  - PostgreSQL:            http://localhost:5432"
+echo "  - NATS:                  http://localhost:4222"
+echo "  - Auth Service:          http://localhost:7011"
+echo "  - PDP Service:           http://localhost:7012"
+echo "  - Usage Engine:          http://localhost:7013"
+echo "  - LLM Proxy:             http://localhost:7007"
+echo "  - Memory Orchestrator:   http://localhost:7008"
+echo "  - Toolcore:              http://localhost:7009"
+echo "  - Agent Filter:          http://localhost:7005"
+echo "  - DAGI Router:           http://localhost:7006"
+echo "  - Agent Runtime:         http://localhost:7010"
+echo "  - Messaging Service:     http://localhost:7004"
+echo ""
+echo "📝 Check logs:"
+echo "  docker-compose -f docker-compose.phase4.yml logs -f [service-name]"
+echo ""
+echo "🔍 Health checks:"
+echo "  curl http://localhost:7011/health  # auth-service"
+echo "  curl http://localhost:7012/health  # pdp-service"
+echo "  curl http://localhost:7013/health  # usage-engine"
+echo ""
+echo "📚 Documentation: docs/PHASE4_READY.md"
+
+
+
+