run_name: gpu_asset_run
seed: 20260901

# These are the only two competition-data inputs.  They are intentionally not
# included in this repository and must be downloaded from the competition.
question_zip: question.zip
submission_example_zip: submission_example.zip
output_root: outputs

video:
  frames_per_video: 24
  selected_views: 6
  max_edge: 1024
  jpeg_quality: 95

# `primitive` is deterministic and CPU-friendly: it proves format/physics
# correctness. `hunyuan` is the high-fidelity GPU path used for an online run.
reconstruction:
  backend: hunyuan
  hunyuan_repo: third_party/Hunyuan3D-2.1
  hunyuan_model: tencent/Hunyuan3D-2.1
  hunyuan_texture: true
  # resident keeps Shape + Paint in a 48 GiB L20. Use sequential on a 24 GiB
  # 24 GiB GPU: make all shapes, free Shape, then make all textures.
  hunyuan_load_mode: resident
  # The L20 profile retains the public model's high-quality Paint defaults.
  # Smaller values are explicit compatibility overrides for lower-VRAM GPUs.
  hunyuan_paint_max_views: 6
  hunyuan_paint_resolution: 512
  max_faces: 30000

# `center` needs no model. `sam2` uses the pinned, public SAM2 checkout prepared
# by scripts/bootstrap_models.py and selects the best centered automatic mask.
segmentation:
  backend: sam2
  sam2_repo: third_party/sam2
  sam2_model: facebook/sam2.1-hiera-large
  min_area_fraction: 0.03
  max_area_fraction: 0.90

physics:
  # convex_hull follows the reconstructed silhouette; bounding_box is a
  # conservative compatibility fallback for a restrictive downstream engine.
  collision_mode: convex_hull
  default_mass_kg: 1.0
  density_kg_m3: 700.0
  friction: 0.8
  simulation_steps: 120

package:
  archive_root: submission_example/submission
  compression_level: 6