feat(*): 模型生成链路 - 完善 Agnes 结果兼容、价格展示与请求日志追踪

web/src/constant/credits.tsx

@@ -1,6 +1,8 @@
 import type { ComponentProps } from "react";
 import { Coins } from "lucide-react";
 
+export { requestCreditCost } from "@/lib/model-pricing";
+
 export function CreditSymbol({ className, ...props }: ComponentProps<"span">) {
     return (
         <span {...props} className={`inline-flex items-center justify-center ${className || ""}`}>
@@ -9,31 +11,6 @@ export function CreditSymbol({ className, ...props }: ComponentProps<"span">) {
     );
 }
 
-export type ModelCreditCost = {
-    model: string;
-    pricePolicy?: "channel" | "unified";
-    billingMode: "fixed_request" | "per_second" | "token";
-    unitPriceMicrocredits: number;
-};
-
-function modelCreditCost(modelCosts: ModelCreditCost[] | undefined, model: string) {
-    return modelCosts?.find((item) => item.model === model) || null;
-}
-
 export function formatCredits(value: number, maximumFractionDigits = 6) {
     return (value / 1_000_000).toLocaleString("zh-CN", { maximumFractionDigits });
 }
-
-export function requestCreditCost(options: { channelMode: string; modelCosts?: ModelCreditCost[]; model: string; count?: string | number; seconds?: string | number }) {
-    if (options.channelMode !== "remote") return null;
-    const cost = modelCreditCost(options.modelCosts, options.model);
-    if (!cost) return null;
-    // 跟随供应价格的前台模型只有后端完成能力路由后才能确定价格，前端不展示误导性预估。
-    if (cost.pricePolicy === "channel") return null;
-    // Token 订单由服务端按请求体预授权并在 usage 返回后结算，前端不展示无依据的固定价格。
-    if (cost.billingMode === "token") return null;
-    const quantity = cost.billingMode === "per_second"
-        ? Math.max(1, Math.floor(Math.abs(Number(options.seconds)) || 1))
-        : Math.max(1, Math.floor(Math.abs(Number(options.count)) || 1));
-    return (cost.unitPriceMicrocredits / 1_000_000) * quantity;
-}