Files
sub2api/backend/internal/domain/constants.go
shaw 6c9b84cc7a feat: 适配 Anthropic 新模型 claude-opus-5
模型登记:/v1/models 清单、Bedrock 默认映射(us.anthropic.claude-opus-5-v1)、
定价条目($5/$25 per MTok、1M 上下文、128K 输出)、前端模型清单与
Anthropic/Bedrock 预设映射、限流 scope 简称。

同时修复两个会静默出错的问题:

- 定价家族兜底 3 倍超收:定价数据缺 claude-opus-5 时,matchByModelFamily
  的 Phase 2 关键字兜底会落到 opus-4 系列、getFallbackPricing 会落到
  claude-3-opus,两条路都按 $15/$75 计费(官方 $5/$25),输入输出双双
  3 倍超收且无任何报错。两处补 opus-5 家族并回退到同价的 4.8;判断用
  opus-5/opus5 子串而非裸 "5",避免误伤 claude-opus-4-5。顺带补齐兜底表
  缺失的 claude-opus-4.8(此前同样会掉到 claude-3-opus)。

- Bedrock 版本闸门降级:claudeVersionRe 强制要求 major-minor 两段版本号,
  只有主版本号的 claude-opus-5 / claude-sonnet-5 完全不匹配,被当成旧模型:
  isBedrockOpus47OrNewer 假导致 thinking.enabled 不转 adaptive(Opus 5 上游
  已移除 budget_tokens,透传直接 400)、isBedrockClaude45OrNewer 假导致
  cache_control.ttl 被剥离、bedrockModelSupportsToolSearch 假导致 tool search
  被过滤。改为 minor 可选(缺省 minor=0),claude-sonnet-5 的同一问题一并修复。

Vertex 无需改动:normalizeVertexAnthropicModelID 只处理 -YYYYMMDD→@YYYYMMDD,
无日期后缀的裸 ID 原样透传即正确。context-1m-2025-08-07 白名单不动:Opus 系
上游不接受该 beta,且 Opus 5 的 1M 上下文是默认能力。

Antigravity 暂不接入:无上游支持证据,mapAntigravityModel 对未映射模型返回
空字符串即"该账号不支持",fails closed 安全。

回归测试 internal/service/claude_opus5_test.go 覆盖定价两层兜底、Bedrock
三个闸门、thinking 转换与模型清单;逐个回退上述修复已确认测试会红。
2026-07-25 11:22:42 +08:00

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package domain
// Status constants
const (
StatusActive = "active"
StatusDisabled = "disabled"
StatusError = "error"
StatusUnused = "unused"
StatusUsed = "used"
StatusExpired = "expired"
)
// Role constants
const (
RoleAdmin = "admin"
RoleUser = "user"
)
// Platform constants
const (
PlatformAnthropic = "anthropic"
PlatformOpenAI = "openai"
PlatformGemini = "gemini"
PlatformAntigravity = "antigravity"
PlatformGrok = "grok"
PlatformComposite = "composite"
)
// Account type constants
const (
AccountTypeOAuth = "oauth" // OAuth类型账号(full scope: profile + inference)
AccountTypeSetupToken = "setup-token" // Setup Token类型账号(inference only scope)
AccountTypeAPIKey = "apikey" // API Key类型账号
AccountTypeUpstream = "upstream" // 上游透传类型账号(通过 Base URL + API Key 连接上游)
AccountTypeBedrock = "bedrock" // AWS Bedrock 类型账号(通过 SigV4 签名或 API Key 连接 Bedrock,由 credentials.auth_mode 区分)
AccountTypeServiceAccount = "service_account" // Google Service Account 类型账号(用于 Vertex AI)
)
// Redeem type constants
const (
RedeemTypeBalance = "balance"
RedeemTypeConcurrency = "concurrency"
RedeemTypeSubscription = "subscription"
RedeemTypeInvitation = "invitation"
)
// PromoCode status constants
const (
PromoCodeStatusActive = "active"
PromoCodeStatusDisabled = "disabled"
)
// Admin adjustment type constants
const (
AdjustmentTypeAdminBalance = "admin_balance" // 管理员调整余额
AdjustmentTypeAdminConcurrency = "admin_concurrency" // 管理员调整并发数
)
// Group subscription type constants
const (
SubscriptionTypeStandard = "standard" // 标准计费模式(按余额扣费)
SubscriptionTypeSubscription = "subscription" // 订阅模式(按限额控制)
)
// Subscription status constants
const (
SubscriptionStatusActive = "active"
SubscriptionStatusExpired = "expired"
SubscriptionStatusSuspended = "suspended"
)
// AntigravityGemini31ProAgentModel is the upstream route for Gemini 3.1 Pro High.
const AntigravityGemini31ProAgentModel = "gemini-pro-agent"
// DefaultAntigravityModelMapping 是 Antigravity 平台的默认模型映射
// 当账号未配置 model_mapping 时使用此默认值
// 与前端 useModelWhitelist.ts 中的 antigravityDefaultMappings 保持一致
var DefaultAntigravityModelMapping = map[string]string{
// Claude 白名单
"claude-fable-5": "claude-fable-5", // 官方模型
"claude-opus-4-8": "claude-opus-4-8", // 官方模型
"claude-opus-4-7": "claude-opus-4-7", // 官方模型
"claude-opus-4-6-thinking": "claude-opus-4-6-thinking", // 官方模型
"claude-opus-4-6": "claude-opus-4-6-thinking", // 简称映射
"claude-opus-4-5-thinking": "claude-opus-4-6-thinking", // 迁移旧模型
"claude-sonnet-4-6": "claude-sonnet-4-6",
"claude-sonnet-4-5": "claude-sonnet-4-5",
"claude-sonnet-4-5-thinking": "claude-sonnet-4-5-thinking",
// Claude 详细版本 ID 映射
"claude-opus-4-5-20251101": "claude-opus-4-6-thinking", // 迁移旧模型
"claude-sonnet-4-5-20250929": "claude-sonnet-4-5",
// Claude Haiku → Sonnet(无 Haiku 支持)
"claude-haiku-4-5": "claude-sonnet-4-6",
"claude-haiku-4-5-20251001": "claude-sonnet-4-6",
// Gemini 2.5 白名单
"gemini-2.5-flash": "gemini-2.5-flash",
"gemini-2.5-flash-image": "gemini-2.5-flash-image",
"gemini-2.5-flash-image-preview": "gemini-2.5-flash-image",
"gemini-2.5-flash-lite": "gemini-2.5-flash-lite",
"gemini-2.5-flash-thinking": "gemini-2.5-flash-thinking",
"gemini-2.5-pro": "gemini-2.5-pro",
// Gemini 3 白名单
"gemini-3-flash": "gemini-3-flash",
"gemini-3-pro-high": "gemini-3-pro-high",
"gemini-3-pro-low": "gemini-3-pro-low",
// Gemini 3 preview 映射
"gemini-3-flash-preview": "gemini-3-flash",
"gemini-3-pro-preview": "gemini-3-pro-high",
// Gemini 3.1 白名单
AntigravityGemini31ProAgentModel: AntigravityGemini31ProAgentModel,
"gemini-3.1-pro": AntigravityGemini31ProAgentModel,
"gemini-3.1-pro-high": AntigravityGemini31ProAgentModel,
"gemini-3.1-pro-low": "gemini-3.1-pro-low",
// Gemini 3.1 preview 映射
"gemini-3.1-pro-preview": AntigravityGemini31ProAgentModel,
// Gemini 3.1 image 白名单
"gemini-3.1-flash-image": "gemini-3.1-flash-image",
// Gemini 3.1 image preview 映射
"gemini-3.1-flash-image-preview": "gemini-3.1-flash-image",
// Gemini 3 image 兼容映射(向 3.1 image 迁移)
"gemini-3-pro-image": "gemini-3.1-flash-image",
"gemini-3-pro-image-preview": "gemini-3.1-flash-image",
// 其他官方模型
"gpt-oss-120b-medium": "gpt-oss-120b-medium",
"tab_flash_lite_preview": "tab_flash_lite_preview",
}
// DefaultBedrockModelMapping 是 AWS Bedrock 平台的默认模型映射
// 将 Anthropic 标准模型名映射到 Bedrock 模型 ID
// 注意:此处的 "us." 前缀仅为默认值,ResolveBedrockModelID 会根据账号配置的
// aws_region 自动调整为匹配的区域前缀(如 eu.、apac.、jp. 等)
var DefaultBedrockModelMapping = map[string]string{
// Claude Fable
"claude-fable-5": "anthropic.claude-fable-5",
// Claude Opus
"claude-opus-5": "us.anthropic.claude-opus-5-v1",
"claude-opus-4-8": "us.anthropic.claude-opus-4-8-v1",
"claude-opus-4-7": "us.anthropic.claude-opus-4-7-v1",
"claude-opus-4-6-thinking": "us.anthropic.claude-opus-4-6-v1",
"claude-opus-4-6": "us.anthropic.claude-opus-4-6-v1",
"claude-opus-4-5-thinking": "us.anthropic.claude-opus-4-5-20251101-v1:0",
"claude-opus-4-5-20251101": "us.anthropic.claude-opus-4-5-20251101-v1:0",
"claude-opus-4-1": "us.anthropic.claude-opus-4-1-20250805-v1:0",
"claude-opus-4-20250514": "us.anthropic.claude-opus-4-20250514-v1:0",
// Claude Sonnet
"claude-sonnet-5": "us.anthropic.claude-sonnet-5-v1",
"claude-sonnet-4-6-thinking": "us.anthropic.claude-sonnet-4-6",
"claude-sonnet-4-6": "us.anthropic.claude-sonnet-4-6",
"claude-sonnet-4-5": "us.anthropic.claude-sonnet-4-5-20250929-v1:0",
"claude-sonnet-4-5-thinking": "us.anthropic.claude-sonnet-4-5-20250929-v1:0",
"claude-sonnet-4-5-20250929": "us.anthropic.claude-sonnet-4-5-20250929-v1:0",
"claude-sonnet-4-20250514": "us.anthropic.claude-sonnet-4-20250514-v1:0",
// Claude Haiku
"claude-haiku-4-5": "us.anthropic.claude-haiku-4-5-20251001-v1:0",
"claude-haiku-4-5-20251001": "us.anthropic.claude-haiku-4-5-20251001-v1:0",
}