{"service":"Dynamo Layer 2 Demo Sequencer (C#)","status":"running","endpoints":["POST /api/v2/tx - Submit a transaction (chat/reaction/vote/etc)","GET /api/v2/tx/status?ids={comma-separated} - Get tx status + batch/L1 mapping","GET /api/v2/chat?since={timestamp}&limit={limit} - Get chat messages","GET /api/v2/mempool - View mempool","GET /api/v2/stats - Server statistics","POST /api/v2/create-batch - Create batch from mempool","GET /api/v2/batch/{hash} - Get batch by hash","GET /api/v2/batch/{hash}/replay - Get deterministic replay bundle for a batch","GET /api/v2/batches?since={timestamp}&limit={limit} - List all batches","GET /api/v2/peers - Get known peer sequencers (gossip discovery)","POST /api/v2/test-rollup - Test rollup with pending transactions","POST /api/v2/test-dummy-rollup - Test rollup with dummy transaction"]}