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 constant
+
+const (
+	APITypeOpenAI = iota
+	APITypeAnthropic
+	APITypePaLM
+	APITypeBaidu
+	APITypeZhipu
+	APITypeAli
+	APITypeXunfei
+	APITypeAIProxyLibrary
+	APITypeTencent
+	APITypeGemini
+	APITypeZhipuV4
+	APITypeOllama
+	APITypePerplexity
+	APITypeAws
+	APITypeCohere
+	APITypeDify
+	APITypeJina
+	APITypeCloudflare
+	APITypeSiliconFlow
+	APITypeVertexAi
+	APITypeMistral
+	APITypeDeepSeek
+	APITypeMokaAI
+	APITypeVolcEngine
+	APITypeBaiduV2
+	APITypeOpenRouter
+	APITypeXinference
+	APITypeXai
+	APITypeCoze
+	APITypeJimeng
+	APITypeMoonshot
+	APITypeSubmodel
+	APITypeMiniMax
+	APITypeReplicate
+	APITypeCodex
+	APITypeAdvancedCustom
+	APITypeSub2API
+	APITypeNewAPI
+	APITypeDummy // this one is only for count, do not add any channel after this
+)