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In this sub-session, the assistant established a functional test cluster and monitoring UI for the Filecoin Gateway's distributed S3 storage system. Initial work included building a comprehensive cluster monitoring dashboard with real-time polling and React components, plus a Docker Compose-based test infrastructure with two Kuri nodes, shared YugabyteDB, and supporting scripts. Several operational bugs were fixed: permission suppression for YugabyteDB file permissions, idempotent database initialization, corrected container status checking, and CAR staging configuration. The pivotal correction came when the user identified a fundamental architecture flaw—the assistant had been running Kuri nodes as direct S3 endpoints, violating the roadmap's requirement for separate stateless frontend proxy nodes. This led to a complete redesign: generating per-node independent settings files, restructuring docker-compose into a proper three-layer hierarchy (S3 proxy on port 8078 → Kuri nodes → YugabyteDB), and implementing the routing layer as specified in the roadmap, completing Phase 3 of the implementation plan.
From Dashboard to Architecture: Building, Debugging, and Correcting a Distributed S3 Test Cluster