README: B200 continuation checkpoints

README.md

@@ -36,3 +36,5 @@ Each Duke arm was resumed on 2 x B200 (UMass) from its `verl_ckpt/` checkpoint w
 | `rl_balance_noloc_fullhist_step260` | full action history, balance-GRPO, no localization reward, SDAR on | step 140 | 260 | 0.579 | 0.789 | 0.514 / 0.757 @ 140 |
 | `rl_balance_floc_step240` | evidence retrieval, balance-GRPO, factored_cite localization reward, SDAR on | step 160 | 240 | 0.550 | 0.775 | 0.519 / 0.760 @ 160 |
 | `rl_sft1e5_balance_noloc_step120` | evidence retrieval, balance-GRPO, no localization reward, SDAR on (lr1e-5 init) | step 60 | 120 | 0.468 | 0.734 | 0.428 / 0.713 @ 60 |
+| `rl_balance_floc_step380` | evidence retrieval, balance-GRPO, factored_cite localization reward, SDAR on | step 160 | 380 | 0.631 | 0.816 | 0.519 / 0.760 @ 160 |
+| `rl_balance_noloc_sdar_off_step280` | evidence retrieval, balance-GRPO, no localization reward, SDAR off (plain GRPO) | step 120 | 280 | 0.559 | 0.780 | 0.532 / 0.766 @ 120 |