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Fix duplicate session billing and align pricing with DeepSeek ×3.

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Serialize billSessionUsage with row locks, expose rates on recharge, add compensation script and admin usage views.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
John
2026-06-16 03:10:05 -07:00
parent befeedfd37
commit 03690ee354
14 changed files with 472 additions and 52 deletions
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billing-recharge.mjs
+6 -2
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@@ -1,4 +1,5 @@
import crypto from 'node:crypto';
import { loadBillingConfig } from './billing.mjs';
export function loadRechargeConfig() {
const tiers = (process.env.H5_RECHARGE_TIERS_CENTS ?? '500,1000,3000,5000,10000,20000')
@@ -8,8 +9,8 @@ export function loadRechargeConfig() {
return {
tiersCents: tiers.length ? tiers : [500, 1000, 3000, 5000, 10000, 20000],
minRechargeCents: Number(process.env.H5_MIN_RECHARGE_CENTS ?? 500),
orderTtlMs: Number(process.env.H5_RECHARGE_ORDER_TTL_MS ?? 15 * 60 * 1000),
maxPendingOrders: Number(process.env.H5_RECHARGE_MAX_PENDING ?? 3),
orderTtlMs: Number(process.env.H5_RECHARGE_ORDER_TTL_MS ?? 3 * 60 * 1000),
maxPendingOrders: Number(process.env.H5_RECHARGE_MAX_PENDING ?? 5),
dailyLimitCents: Number(process.env.H5_RECHARGE_DAILY_LIMIT_CENTS ?? 200_000),
};
}
@@ -104,11 +105,14 @@ export function createRechargeService(pool, { userAuth, wechatPay, config = load
const getBillingConfig = async (userId) => {
const user = await userAuth.getUserById(userId);
const billing = loadBillingConfig();
return {
wechatEnabled: Boolean(wechatPay?.enabled),
tiersCents: config.tiersCents,
minRechargeCents: config.minRechargeCents,
balanceCents: user ? Number(user.balance_cents ?? 0) : 0,
inputCentsPer1k: billing.inputCentsPer1k,
outputCentsPer1k: billing.outputCentsPer1k,
};
};