feat(compute): 用户端算力中心 base 地址支持公网配置(PINEAGENTS_COMPUTE_PUBLIC_BASE)

- config 加 COMPUTE_PUBLIC_BASE; /opc/compute/base 优先用公网, 回落 request.base_url
- 避免经代理显示 127.0.0.1 内部地址; 用户可获真实可用的 /v1 接入地址

app/api/routers/rbac_opc.py

@@ -14,6 +14,7 @@ from ..schemas.opc import BidRequest, ProfileUpdate, FinanceRecordCreate
 from ...rbac import require_roles, write_audit
 from ...infrastructure.repositories import Database, new_id, utcnow_iso
 from ...infrastructure.models import FinanceRecord
+from ... import config
 from ...services import compute_client, compute_catalog
 
 router = APIRouter(prefix="/opc", tags=["opc"])
@@ -221,14 +222,15 @@ async def opc_compute_base(
     request: Request,
     user: dict = Depends(require_roles("opc_member")),
 ):
-    """用户接入地址：经 server-core /v1 中继（OpenAI 兼容）。"""
-    base = request.base_url.rstrip("/")
+    """用户接入地址：经 server-core /v1 中继（OpenAI 兼容）。优先用公网配置，回落请求 host。"""
+    base = config.COMPUTE_PUBLIC_BASE or request.base_url.rstrip("/")
+    base = base.rstrip("/")
     return {
         "base_url": f"{base}/v1",
         "relay_path": "/v1/chat/completions",
         "models_path": "/v1/models",
         "username": user.get("username"),
-        "hint": "将 base_url 与下方令牌填入 OpenAI 兼容客户端(如 request_url/base)即可调用本平台模型",
+        "hint": "将 base_url 与下方令牌填入 OpenAI 兼容客户端(如 base_url/api_key)即可调用本平台模型",
     }