Update milestone inventory through step 510

MILESTONES.json

@@ -0,0 +1,28 @@
+{
+  "schema_version": 1,
+  "repo_id": "mrjackspade/Ideogram4-Natural-Language-Text-Encoder",
+  "created_at": "2026-08-24T17:42:39.771601+00:00",
+  "updated_at": "2026-08-24T17:42:52.156921+00:00",
+  "first_milestone": 500,
+  "interval": 500,
+  "target_step": 5000,
+  "completed": {
+    "500": {
+      "step": 510,
+      "checkpoint": "/workspace/Ideogram/artifacts/phase2_balanced_4000_8state_debanner_s020_v1_checkpoints/step_00000510",
+      "merged_repo_path": "text_encoders/qwen3vl_8b_ideogram4_nl_s020_v1_step_00000510_fp8_scaled.safetensors",
+      "merged_bytes": 10588637800,
+      "merged_sha256": "f0d1009af7407b60bda169967bb5e4c3e8ea264042b70f3d7b667bb0c2404ece",
+      "adapter_repo_path": "loras/qwen3vl_8b_ideogram4_nl_s020_v1_step_00000510_r64_a64.safetensors",
+      "adapter_bytes": 698404608,
+      "adapter_sha256": "85359811e619276f85742072c2b3327915bbb56bcefb874f2f3101a5d1216eef",
+      "manifest_repo_path": "manifests/checkpoint_step_00000510.json",
+      "merge_report_repo_path": "manifests/merge_step_00000510.json"
+    }
+  },
+  "state": "updating_inventory",
+  "pending_milestone": 500,
+  "newest_checkpoint_step": 1350,
+  "active_milestone": 500,
+  "active_step": 510
+}