setupLogin creates a server-controlled login Session and returns the shared authentication bundle used by every login method.

syncCreditUserQuotaCache 在授信事务（充值/兑换等）提交后同步把增量补进缓存 余额。预扣以缓存值为准（存在期间），授信不能绕过它，否则新到账的额度在 缓存过期前不可用；缓存未命中无需处理，下次读取会从已提交的数据库余额水合。

AdvanceCurrentSessionToUserVersion is used when the security mutation and AuthVersion increment were committed in the same transaction (for example, a

ApplyToOpenAIChat writes the portable portion of an intent to the OpenAI pivot. reasoning_effort carries level-based strength; a JSON-excluded DTO sta

ClaimExternalIdentityWithTx atomically claims a provider subject for one user. Repeating the exact mapping is idempotent; every competing subject or u

Complete a subscription order (idempotent). Creates a UserSubscription snapshot from the plan. expectedPaymentProvider guards against cross-gateway ca

ConsumeAuthFlow atomically validates and consumes a flow. Optional match fields are enforced when non-zero so tokens cannot cross purposes or users.

GetRequestAutoGroups resolves the ordered Auto groups for the current token. The absence of the context value means that the token inherits the comple

GetTools 获取工具列表

MatchPathForModel returns the first route whose IncomingPath and Models match. An empty Models list is a catch-all fallback for that incoming path.

MigrateRetiredFrontendOptions normalizes options that belonged to the removed dashboard frontend. Each legacy console setting is migrated in its own t

PrepareTieredBillingForSelectedGroup refreshes routing-dependent billing state before an upstream attempt. An existing session reserves any higher est

QuotaRound converts a float64 quota value to int using half-away-from-zero rounding with int32 saturation. Every tiered billing path (pre-consume, set

RemoveDisabledFields 从请求 JSON 数据中移除渠道设置中禁用的字段 service_tier: 服务层级字段，可能导致额外计费（OpenAI、Claude、Responses API 支持） inference_geo: Claude 数据驻留推理区域字段（仅 Claude

ResolvedPin returns the winning pin after priority resolution. Lowest Rank wins. Pins that name the same channel are merged (stricter RetryMode). over

SettleMidjourneyTaskBilling charges a persisted legacy task and records the applied stages.

UpdateConfigFromMap 从map更新配置对象（导出函数）

UpdateVideoTasks 按渠道更新所有视频任务

UpstreamModelName / ChannelTypeOf are nil-safe accessors for optional Meta values (converters are often called with a nil Meta in tests and compat shi

ValidateNetworkTarget validates the host and port before dialing.

ValidateWalletQuota enforces the upper bound shared by wallet mutations. Negative balances remain valid because billing can temporarily overdraw a wal