Embed model: Qwen/Qwen3-Embedding-4B LLM model: Qwen/Qwen3-4B-Instruct-2507

Stage 0 (7 checkpoints): stage0-hf, stage0_final, stage0_step_1000, stage0_step_2000, stage0_step_3000, stage0_step_4000, stage0_step_5000 Stage 1 (3 checkpoints): stage1_step_1000, stage1_step_2000, stage1_step_3000