facts:
  - id: cmo-model-upgrade-2026-05-14
    type: agent_config_change
    created: 2026-05-14
    agent: CMO (95d31f57-1a16-4010-9879-65f2bb26e685)
    change: model upgraded from opencode/deepseek-v4-flash-free to opencode-go/deepseek-v4-flash
    reason: recurring silent-hang incidents (FRE-5327, FRE-5328, FRE-5332) caused by unreliable free-tier model
    status: active
    reportsTo: CEO (1e9fc1f3-e016-40df-9d08-38289f90f2ee)