feat: 算力引擎 Go 后端核心（new-api）

- 统一 OpenAI 兼容 /v1 中继 + 渠道/额度/令牌/流水 - 各领域包：relay 模型网关、model 数据层、controller 管理 API
2026-08-23 22:38:46 +08:00
commit 28e53d90fc
836 changed files with 165403 additions and 0 deletions
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+package setting
+
+var StripeApiSecret = ""
+var StripeWebhookSecret = ""
+var StripePriceId = ""
+var StripeUnitPrice = 8.0
+var StripeMinTopUp = 1
+var StripePromotionCodesEnabled = false