README: two-tier layout and session table

README.md

@@ -16,7 +16,7 @@ Evaluation logs of every model row reported in the ICLR 2027 submission *FARPO:
   requests omitted.
 * `mobileworld/<session>.zip` - per-task trajectories and the MobileWorld GUI-only evaluation report.
 
-## Tier 2 - complete sessions (511 GB in total)
+## Tier 2 - complete sessions (684 GB in total)
 
 Everything the evaluation harness wrote, including every device screenshot, the per-step request sent to
 the policy (prompt, folded history, memory state, response), the MemGUI-Eval judge inputs and outputs,
@@ -44,7 +44,7 @@ cd eval/memgui_bench_full/memgui_8b_on_mg_26072401 && for z in *.zip; do unzip -
 |---|---|---|---|---|
 | MemGUI-8B-SFT (MemGUI-Agent release; RL initialisation) | MemGUI-Bench | `session-memgui-v26050803` | 9 | 46.1 |
 | MemGUI-8B-SFT (MemGUI-Agent release; RL initialisation) | MobileWorld | `memgui_8b_26050801` | 1 | 2.2 |
-| FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset) | MemGUI-Bench | `memgui_8b_on_mg_26072401-check1` | 6 | 54.7 |
+| FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset) | MemGUI-Bench | `memgui_8b_on_mg_26072401-check1` | 10 | 83.9 |
 | FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset) | MemGUI-Bench | `memgui_8b_on_mg_26072401` | 25 | 91.3 |
 | FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset) | MemGUI-Bench | `memgui_8b_on_mg_26062901` | 4 | 13.1 |
 | FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset) | MobileWorld | `memgui_on_mw_8b_26062801` | 1 | 2.4 |
@@ -62,10 +62,10 @@ cd eval/memgui_bench_full/memgui_8b_on_mg_26072401 && for z in *.zip; do unzip -
 | rho=1/4, reverts to the natural ratio (sweep) | MobileWorld | `memgui_on_mw_8b_26070601` | 1 | 2.8 |
 | direct RL from Qwen3-VL-8B-Instruct (rho=9) | MemGUI-Bench | `memgui_8b_on_mg_26090601` | 9 | 86.9 |
 | direct RL from Qwen3-VL-8B-Instruct (rho=9) | MobileWorld | `memgui_on_mw_8b_26090601` | 1 | 2.2 |
-| ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies) | MemGUI-Bench | `memgui_8b_on_mg_26090701-check1` | 0 | 0.0 |
+| ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies) | MemGUI-Bench | `memgui_8b_on_mg_26090701-check1` | 9 | 77.6 |
 | ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies) | MemGUI-Bench | `memgui_8b_on_mg_26090701` | 36 | 96.5 |
 | ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies) | MobileWorld | `memgui_on_mw_8b_26090701` | 1 | 2.9 |
-| ablation step 2: + reward decoupling (decoupled estimator, natural sampling; session -check2 is the one reported in the paper) | MemGUI-Bench | `memgui_8b_on_mg_26090901-check2` | 0 | 0.0 |
+| ablation step 2: + reward decoupling (decoupled estimator, natural sampling; session -check2 is the one reported in the paper) | MemGUI-Bench | `memgui_8b_on_mg_26090901-check2` | 10 | 66.0 |
 | ablation step 2: + reward decoupling (decoupled estimator, natural sampling; session -check2 is the one reported in the paper) | MobileWorld | `memgui_on_mw_8b_26090901-check1` | 1 | 2.6 |
 
 `manifest.json` maps every archive (compact and full) to the row of the paper it supports.