HF RL Explorer

Improve Example construction with a fluent Builder and condition DSL

Improve Example construction with a fluent Builder and condition DSL: a task in LegoFlow-SWE (Harbor dataset). The current API for constructing Example objects is cumbersome and prone to misuse (e.g., issue 154). Users have to manually create criteria and invoke mutation methods in a fragmented…

The task

The current API for constructing `Example` objects is cumbersome and prone to misuse (e.g., issue #154). Users have to manually create criteria and invoke mutation methods in a fragmented style:

Part of Lego-X/LegoFlow-SWE.