devinside.Marcin Borecki Ideas. Systems. Evidence.

THE READING ROOM

Engineering

THE READING ROOM

Writing & investigations.

Engineering

One Telemetry Contract Across a .NET AI Platform

A shared dashboard can make a platform look unified long before its measurements are comparable. One service records request duration in seconds. Another records milliseconds. A third starts the timer after retrieval, while the first includes it.

18 min read

Engineering

Migrating Agent Behavior, Not Just SDK Calls

A migration can compile successfully, pass a demonstration and still change the behavior that made an agent useful. The new implementation may choose different tools, forget state at a different boundary or retry an operation that the old implementation treated as terminal.

18 min read

Engineering

Following the Cost of One Task Through Azure

A reproducible C# allocation model separates source records, shared-resource policy and unresolved attribution. Synthetic units make conservation and rounding testable without claiming live cloud costs.

16 min read