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-phase6.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# Start DAARION Phase 6 — Agent Lifecycle
+
+echo "🚀 Starting DAARION Phase 6..."
+echo ""
+
+# Apply migration 007
+echo "📦 Applying migration 007 (Agent Lifecycle tables)..."
+docker-compose -f docker-compose.phase6.yml exec -T postgres psql -U postgres -d daarion < migrations/007_create_agents_tables.sql || echo "Migration already applied or failed (continuing...)"
+
+echo ""
+echo "🐳 Starting all services..."
+docker-compose -f docker-compose.phase6.yml up -d
+
+echo ""
+echo "⏳ Waiting for services to be ready..."
+sleep 10
+
+echo ""
+echo "✅ DAARION Phase 6 started!"
+echo ""
+echo "Services:"
+echo "  - agents-service:  http://localhost:7014"
+echo "  - auth-service:    http://localhost:7011"
+echo "  - pdp-service:     http://localhost:7012"
+echo "  - usage-engine:    http://localhost:7013"
+echo "  - Agent Hub UI:    http://localhost:3000/agent-hub"
+echo ""
+echo "WebSocket:"
+echo "  - ws://localhost:7014/ws/agents/stream"
+echo ""
+echo "To view logs: docker-compose -f docker-compose.phase6.yml logs -f"
+echo "To stop: ./scripts/stop-phase6.sh"
+