v0.3.4.post1 Patch Fix

• Fixed a "full_loss_mask" KeyError introduced in #434. The original PR was tested with Ulysses enabled but caused errors when Ulysses was disabled.
• Updated configuration and scripts in boba_grpo.py to reproduce legacy results.

What's Changed

• chore: add comprehensive agent operations guide to AGENTS.md by @rchardx in #440
• fix boba_grpo bug by @shun001 in #439
• fix KeyError: "full_loss_mask" without ulysses and synchronize the boba GRPO yaml config by @garrett4wade in #441

New Contributors

• @shun001 made their first contribution in #439

Full Changelog: v0.3.4...v0.3.4.post1