Offline Sync Logs Your PM Can Read

Operations teams fear mobile logs because they either leak too much or say nothing. We teach a three-tier structure: customer-safe events, engineering diagnostics, and security-restricted payloads. Each tier maps to dashboards with different access roles.

Students implement the pattern against a sample commerce API with flaky endpoints. They practice summarizing incidents in plain language for PMs who do not care about HTTP codes. The goal is alignment, not more alerts.

We close with retention policies tuned for Japan-based hosting. Keeping data longer than needed is as risky as deleting too early, so we walk through realistic defaults and where to customize.