Chunk 10.0

This session focused on completing Milestone 02 (Enterprise Grade) for the FGW project, which added comprehensive observability, operations, and AI support infrastructure. The work stream continued from the previous session and finalized the remaining enterprise-grade features including wallet backup automation, monitoring dashboards, operational runbooks, and an AI-powered support system. All work was committed to the repository with the entire Milestone 02 being finished in this session. The key achievements include complete Ansible roles for wallet backup (critical since wallet loss is unrecoverable) and YugabyteDB backup, a backup playbook, Prometheus recording rules, and five Grafana dashboards covering overview, S3-SLA, deals, storage, and financials. Six operational runbooks were created covering common issues, wallet recovery, database recovery, deal troubleshooting, capacity expansion, and emergency procedures. The AI support system was built with a LangGraph agent architecture using self-hosted Ollama/Mistral models, including knowledge base ingestion, diagnostic tools, and Prometheus query capabilities. After completing the main implementation, the session verified all work against the milestone execution plan and executed recommended follow-up tasks including integration testing, Ansible role syntax validation, and adding comprehensive test coverage for the GC, balance metrics, and deal metrics code. All new test code was properly adjusted to use singleton patterns for Prometheus metric registration to avoid conflicts with the global registry.

The Enterprise-Grade Milestone: A Comprehensive Synthesis of Observability, Automation, and AI Support for a Distributed Storage System 3486 words

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