路线一：HSSD 官方 SceneSmith 检索 smoke

这里不是手工挑模型，而是按 SceneSmith HSSD retrieval server/client 流程，用 query=wooden dining chair、object_type=FURNITURE 返回的前三个候选。该 smoke 已验证官方检索链可以直接取回 GLB 与尺寸信息；HSSD 全量下载仍在后台断点续传。

原始 smoke summary

{
  "hssd_data_path": "/data/share/ud4scenesmith/static/hssd_scenesmith_official_preprocessed_20260509/hssd-models",
  "hssd_preprocessed_path": "/data/share/ud4scenesmith/static/hssd_scenesmith_official_preprocessed_20260509/preprocessed_downloaded_subset",
  "query": "wooden dining chair",
  "object_type": "FURNITURE",
  "num_candidates": 3,
  "responses": [
    {
      "index": 0,
      "query": "wooden dining chair",
      "results": [
        {
          "mesh_path": "/data/250010098/physxanything_stage1_experiments/runs/route1_hssd_server_client_smoke_20260510/retrieved_meshes/088c257155d527517719972d29f363a438cfb4cd.glb",
          "hssd_id": "088c257155d527517719972d29f363a438cfb4cd",
          "object_name": "wooden dining chair",
          "similarity_score": 0.25775888562202454,
          "size": [
            0.46029986441135406,
            0.775649290997535,
            0.4925348162651062
          ],
          "category": "large_objects"
        },
        {
          "mesh_path": "/data/250010098/physxanything_stage1_experiments/runs/route1_hssd_server_client_smoke_20260510/retrieved_meshes/03ee88f8d8feb58ba1714bdfb88093b7469d51c9.glb",
          "hssd_id": "03ee88f8d8feb58ba1714bdfb88093b7469d51c9",
          "object_name": "wooden dining chair",
          "similarity_score": 0.2568815052509308,
          "size": [
            0.47735992074012756,
            0.6094475388526917,
            0.47735993564128876
          ],
          "category": "large_objects"
        },
        {
          "mesh_path": "/data/250010098/physxanything_stage1_experiments/runs/route1_hssd_server_client_smoke_20260510/retrieved_meshes/019b16dbb75c196d82d53639d6e987c1b8d95dc2.glb",
          "hssd_id": "019b16dbb75c196d82d53639d6e987c1b8d95dc2",
          "object_name": "wooden dining chair",
          "similarity_score": 0.25030213594436646,
          "size": [
            0.40062977373600006,
            0.4469843304777754,
            0.4000002294778824
          ],
          "category": "large_objects"
        }
      ]
    }
  ]
}