feat(compute): 新增 /admin/compute/proxy/{path} 透传 compute-engine 管理 API

- compute_client.proxy(): 转发到引擎 /api/<path>，保留原始状态码/响应体
- rbac_operator 新增 compute_proxy 端点(GET/POST/PUT/DELETE/PATCH)，运营端鉴权
- 使 admin 端可 1:1 驱动 new-api 完整管理面(models/channels/groups/tokens/users/logs/redemption/ratio)

app/api/routers/rbac_operator.py

@@ -5,7 +5,9 @@
 """
 from __future__ import annotations
 
-from fastapi import APIRouter, Depends, HTTPException, Request
+import json
+
+from fastapi import APIRouter, Depends, HTTPException, Request, Response
 from pydantic import BaseModel
 
 from ..dependencies import get_db
@@ -212,6 +214,32 @@ async def compute_provision(
     )
 
 
+@router.api_route(
+    "/compute/proxy/{path:path}",
+    methods=["GET", "POST", "PUT", "DELETE", "PATCH"],
+    response_class=Response,
+    summary="算力中心管理 API 透传（对齐 compute-engine /api/*）",
+)
+async def compute_proxy(path: str, request: Request, _u: dict = Depends(require_roles("operator"))):
+    """算力中心管理转发：把 admin 端请求 1:1 透传到 compute-engine(new-api) 管理 API ``/api/{path}``。
+
+    打通全部管理面（models / channels / groups / tokens / users / logs / redemption / ratio /
+    system-settings 等），保留引擎原始状态码与响应体，使 admin 端可作为 new-api 唯一管理 UI。
+    """
+    body = await request.body()
+    json_body = None
+    if body and request.headers.get("content-type", "").startswith("application/json"):
+        try:
+            json_body = json.loads(body)
+        except Exception:  # noqa: BLE001
+            json_body = None
+    params = dict(request.query_params)
+    result = await compute_client.proxy(
+        request.method, "/" + path, json_body=json_body, params=params,
+    )
+    return Response(content=result["body"], status_code=int(result["status"]), media_type="application/json")
+
+
 # ── 培训业务 · 课程（桥接 app.training courses 表）─────────────────────────
 @router.get("/courses", summary="课程列表")
 async def list_courses(