Upload round66 engine strict report

reports/round66_engine_strict_report.json

@@ -0,0 +1,31 @@
+{
+  "engine_strict_rows": 1575,
+  "base_rows": 1425,
+  "spark_rows": 150,
+  "source_counts": {
+    "round6-corrections": 10,
+    "round5-corrections": 6,
+    "round4-corrections": 8,
+    "blender-native-synthetic": 169,
+    "blender-python-api": 79,
+    "blender-mcp-server": 20,
+    "commitpackft": 202,
+    "nvidia_opencodeinstruct": 243,
+    "xcoder_80k": 60,
+    "python_text2code": 18,
+    "nemotron4-synthetic": 45,
+    "blender-manual": 449,
+    "screenshot-caption-pairs": 97,
+    "blender-release-notes": 14,
+    "blender-addon-docs": 1,
+    "round5-formatting": 4,
+    "spark-unreal-python-samples": 31,
+    "spark-unreal-recipebook": 9,
+    "spark-godot-demo-3d": 110
+  },
+  "notes": [
+    "Built from the reviewed round65 strict export plus reviewed Spark-curated engine rows.",
+    "Deduplicated by user+assistant signature.",
+    "Intended as the broader next-pass 3D engine training asset before any later cleanup-only run."
+  ]
+}