Agent Rollout Trace Distillation

This recipe ingests built-in agent rollout traces with AgentRolloutSeedSource(...), selecting the format with --format and optionally overriding the input directory with --trace-dir. It works with atif, claude_code, codex, and hermes_agent; atif expects standalone .json trajectory files and requires --trace-dir, while claude_code, codex, and hermes_agent can use their default locations when --trace-dir is omitted. The pipeline turns each imported trace into a compact task digest, a standalone instruction-response pair for coding-assistant SFT, and a judge-scored quality signal you can use for downstream filtering. It supports both full dataset creation and in-memory preview mode via --preview.