tripocli v2.0.0：Tripo AI 3D 生成与加工 CLI（面向 Agent 与开发者，纯 Python 标准库、零第三方依赖）

覆盖文生 3D、图生 3D、多视图、批量生成，以及重拓扑、绑定、动画、智能分割、
纹理、PBR、智能 UV、部件补全、格式导出与下载。

代码组织：一个功能一个模块（tripo/features/），入口薄壳 tripocli.py。

tripo/features/rigging.py

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+"""绑定 — auto rigging with UniRig.
+
+    tripocli rig -p <project_id> --type biped --spec mixamo --wait
+
+A riggable check runs first (``pre_rig_check``); the model must be a humanoid in
+T/A pose for good results.  Verified body of ``rigging_model``:
+``{project_id, model_version, rig_type, spec}``.
+
+骨骼预设（界面 5 个选项 → API 的 spec 值，取自 studio 前端数据表，并用实测请求核对）：
+``Mixamo → mixamo``、``ActorCore → actorcore``、``UE5 Mannequin → unreal``、
+``Unity Humanoid Compatible → unity``、``VRM 1.0 Humanoid → vrm``。
+"""
+
+from . import _common
+
+NAME = "rig"
+HELP = "自动绑定骨骼（人形/其他 + 5 种骨骼预设）"
+
+RIG_TYPES = ("biped", "others")
+
+# 界面预设名 → API spec 值
+SPEC_ALIASES = {
+    "mixamo": "mixamo",
+    "actorcore": "actorcore",
+    "actor_core": "actorcore",
+    "unreal": "unreal",
+    "ue5": "unreal",
+    "ue5-mannequin": "unreal",
+    "ue5_mannequin": "unreal",
+    "unity": "unity",
+    "unity-humanoid": "unity",
+    "vrm": "vrm",
+    "vrm1": "vrm",
+}
+DEFAULT_SPEC = "mixamo"
+
+
+def resolve_spec(name):
+    if not name:
+        return DEFAULT_SPEC
+    return SPEC_ALIASES.get(name.strip().lower(), name.strip())
+
+
+def add_arguments(parser):
+    _common.add_op_options(parser, "绑定完成后保存到该路径（可选）")
+    parser.add_argument("--type", default="biped", choices=RIG_TYPES, help="绑定类型：biped=人形，others=其他")
+    parser.add_argument(
+        "--spec", default=DEFAULT_SPEC,
+        help="骨骼预设: mixamo(默认) / actorcore / unreal(UE5 Mannequin) / unity / vrm",
+    )
+    parser.add_argument("--check-only", action="store_true", help="只做绑定前检查，不执行绑定")
+
+
+def run(ctx):
+    args = ctx.args
+    model_version = _common.project_version(ctx.client, args.project, args.model)
+    spec = resolve_spec(args.spec)
+
+    check_body = {"project_id": args.project}
+    if model_version:
+        check_body["model_version"] = model_version
+    check = ctx.client.get_data("POST", "/v2/studio/operation/pre_rig_check", body=check_body) or {}
+
+    if args.check_only:
+        ctx.out.data(
+            check,
+            human=lambda: (
+                ctx.out.line(f"可绑定: {check.get('riggable')}"),
+                ctx.out.line(f"绑定类型: {check.get('rig_type')}"),
+            ),
+        )
+        return check
+
+    ctx.out.line(f"🔎 绑定前检查: riggable={check.get('riggable')} type={check.get('rig_type')}")
+
+    body = {"project_id": args.project, "rig_type": args.type, "spec": spec}
+    if model_version:
+        body["model_version"] = model_version
+    data = ctx.client.get_data("POST", "/v2/studio/operation/rigging_model", body=body)
+    return _common.run_operator(ctx, data, output=args.output, wait=args.wait, label="绑定")