diff --git a/conductor/tracks/qwen_llama_grok_integration_20260606/state.toml b/conductor/tracks/qwen_llama_grok_integration_20260606/state.toml
index 4af6bfdd..d3f20b95 100644
--- a/conductor/tracks/qwen_llama_grok_integration_20260606/state.toml
+++ b/conductor/tracks/qwen_llama_grok_integration_20260606/state.toml
@@ -17,7 +17,7 @@ phase_2 = { status = "completed", checkpoint_sha = "0f2541a", name = "Qwen via D
 # Phase 3: Grok + Llama via shared helper
 phase_3 = { status = "completed", checkpoint_sha = "21adb4a", name = "Grok + Llama via shared helper" }
 # Phase 4: MiniMax refactor
-phase_4 = { status = "completed", checkpoint_sha = "344a66f", name = "MiniMax refactor to use shared helper" }
+phase_4 = { status = "completed", checkpoint_sha = "c5735e7", name = "MiniMax refactor to use shared helper" }
 # Phase 5: UX adaptation + integration
 phase_5 = { status = "pending", checkpoint_sha = "", name = "UX adaptation + integration" }
 # Phase 6: Docs + archive
@@ -73,7 +73,7 @@ t3_18 = { status = "completed", commit_sha = "21adb4a", description = "Phase 3 c
 t4_1 = { status = "completed", commit_sha = "344a66f", description = "Baseline: run tests/test_minimax_provider.py; all pass (green)" }
 t4_2 = { status = "completed", commit_sha = "344a66f", description = "Refactor _send_minimax to use send_openai_compatible helper" }
 t4_3 = { status = "completed", commit_sha = "344a66f", description = "Verify tests/test_minimax_provider.py still pass (no regressions)" }
-t4_4 = { status = "pending", commit_sha = "", description = "Add MiniMax to capability registry (per-model: minimax-* entries with vision/tool/cost)" }
+t4_4 = { status = "completed", commit_sha = "9169fae", description = "Add MiniMax to capability registry (4 per-model entries: M2.7, M2.5, M2.1, M2)" }
 t4_5 = { status = "completed", commit_sha = "344a66f", description = "Run full test suite; ensure no regressions" }
 t4_6 = { status = "completed", commit_sha = "344a66f", description = "Phase 4 checkpoint commit + git note" }
 # Phase 5: UX adaptation + integration
@@ -132,6 +132,7 @@ minimax_models_refactored = false
 [minimax_refactor_stats]
 # Filled in Phase 4
 lines_before = 231
-lines_after = 41
+lines_after = 75
 tests_passing = 6
 tests_failing = 0
+reduction_pct = 68