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/mesh_edit.py

@@ -0,0 +1,51 @@
+"""网格编辑（局部重拓扑）— local_edit on a 智能网格 (Nexus) model.
+
+    tripocli edit -p <project_id> --bbox "-1,-1,-1,1,1,1" --face-limit 8000 --wait
+
+The studio shows this as the 「编辑」 tab: pick a bounding box on a Nexus mesh and
+re-topologise just that region.  Verified body:
+``{project_id, source_operator_id, bbox:[[min],[max]], face_limit}``.
+
+⚠️ Only offered for **智能网格 (Nexus)** models that are not yet textured / rigged
+/ segmented / PBR (the studio hides the tab otherwise).  ``bbox`` coordinates are
+normalised to the model's own space, ``-1..1`` per axis (the UI clamps them), so
+the default ``-1,-1,-1,1,1,1`` covers the whole model.
+"""
+
+from . import _common
+
+NAME = "edit"
+HELP = "网格编辑：在包围盒内对智能网格(Nexus)模型做局部重拓扑"
+
+FULL_BBOX = [-1.0, -1.0, -1.0, 1.0, 1.0, 1.0]
+
+
+def add_arguments(parser):
+    _common.add_op_options(parser, "编辑完成后保存到该路径（可选）")
+    parser.add_argument(
+        "--bbox", default=",".join(str(v) for v in FULL_BBOX),
+        help="包围盒 x1,y1,z1,x2,y2,z2（归一化 -1..1，默认整个模型）",
+    )
+    parser.add_argument("--face-limit", type=int, default=8000, help="该区域面数上限（默认 8000）")
+
+
+def parse_bbox(text):
+    values = [float(part) for part in text.replace(" ", "").split(",")]
+    if len(values) != 6:
+        raise ValueError("--bbox 需要 6 个数字：x1,y1,z1,x2,y2,z2")
+    lower = [min(1.0, max(-1.0, v)) for v in values[:3]]
+    upper = [min(1.0, max(-1.0, v)) for v in values[3:]]
+    return [lower, upper]
+
+
+def run(ctx):
+    args = ctx.args
+    operator_id = ctx.client.project_operator(args.project).get("operator_id")
+    body = {
+        "project_id": args.project,
+        "source_operator_id": operator_id,
+        "bbox": parse_bbox(args.bbox),
+        "face_limit": args.face_limit,
+    }
+    data = ctx.client.get_data("POST", "/v2/studio/operation/local_edit", body=body)
+    return _common.run_operator(ctx, data, output=args.output, wait=args.wait, label="网格编辑")