- 08 Apr, 2026 35 commits
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- Sync cc_version in x-anthropic-billing-header with the fingerprint User-Agent version, preserving the message-derived suffix - Implement xxHash64-based CCH signing to replace the cch=00000 placeholder with a computed hash - Add admin toggle (enable_cch_signing) under gateway forwarding settings, disabled by default
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commit f3aa54b7 的 rewriteSystemForNonClaudeCode 未能通过 Anthropic 第三方检测， 根因是两个关键信号与真实 Claude Code 不一致： 1. anthropic-beta 头缺少 claude-code-20250219：伪装路径主动将该 beta 加入 drop set 并移除，但 Anthropic 依赖此 beta 识别 Claude Code 请求。 修复：非 haiku 模型的伪装请求强制包含 claude-code beta。 2. system 字段使用 string 格式而非 array+cache_control：真实 Claude Code 始终以 [{type,text,cache_control:{type:"ephemeral"}}] 发送 system， string 格式成为第三方检测信号。 修复：rewriteSystemForNonClaudeCode 改为注入 array 格式。 附带调整：stripSystemCacheControl 按 system 是否被重写动态决定， 重写时保留 CC prompt 的 cache_control，未重写时（haiku/已含CC前缀） 保持原有剥离行为。
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Anthropic近期引入基于system参数内容的第三方应用检测机制，原有的前置追加 Claude Code提示词策略无法通过检测（后续内容仍为非Claude Code格式触发429）。 新策略：对非Claude Code客户端的OAuth/SetupToken账号请求，将system字段 完整替换为Claude Code标识提示词，原始system内容作为user/assistant消息对 注入messages开头，模型仍接收完整指令。 仅影响/v1/messages路径，chat_completions和responses路径保持原有逻辑不变。 真正的Claude Code客户端请求完全不受影响（原样透传）。
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陈曦 authored -
道非仙 authored
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道非仙 authored
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道非仙 authored
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道非仙 authored
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- 20 unit tests for deriveOpenAIContentSessionSeed covering: - Empty/nil inputs, model-only, stable across turns - Different model/system/first-user produce different seeds - Tools, functions, developer role, structured content - Responses API: input string, input array, instructions, input_text typed items - JSON canonicalization (whitespace/key-order insensitive) - Prefix presence, empty tools ignored, messages preferred over input - 3 integration tests for GenerateSessionHash content fallback: - Content fallback produces stable hash - Explicit signals override content fallback - Empty body still returns empty hash
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When no explicit session signals (session_id, conversation_id, prompt_cache_key) are provided, derive a stable session seed from the request body content (model + tools + system prompt + first user message) to enable sticky routing and prompt caching for non-Codex clients using the Chat Completions API. This mirrors the content-based fallback already present in GatewayService. GenerateSessionHash, adapted for the OpenAI gateway's request formats (both Chat Completions messages and Responses API input). JSON fragments are canonicalized via normalizeCompatSeedJSON to ensure semantically identical requests produce the same seed regardless of whitespace or key ordering. Closes #1421
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refactor(channel): split long functions, extract shared validation, move billing validation to service - Split Update (98→25 lines), buildCache (54→20 lines), Create (51→25 lines) into focused sub-functions: applyUpdateInput, checkGroupConflicts, fetchChannelData, populateChannelCache, storeErrorCache, getOldGroupIDs, invalidateAuthCacheForGroups - Extract validateChannelConfig to eliminate duplicated validation calls between Create and Update - Move validatePricingBillingMode from handler to service layer for proper separation of concerns - Add error logging to IsModelRestricted (was silently swallowing errors) - Add 12 new tests: ToUsageFields, billing mode validation, antigravity wildcard mapping isolation, Create/Update mapping conflict integration
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当上游返回SSE格式响应(如sub2api链路)时，API Key账号的非流式路径 未检测SSE，导致终态事件中空output直接透传给客户端。 - 将Content-Type SSE检测从仅OAuth扩展至所有账号类型 - 重命名handleOAuthSSEToJSON为handleSSEToJSON（无OAuth专属逻辑） - 为透传路径新增handlePassthroughSSEToJSON，支持SSE转JSON及空output重建 Co-Authored-By:Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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commit f3aa54b7 的 rewriteSystemForNonClaudeCode 未能通过 Anthropic 第三方检测， 根因是两个关键信号与真实 Claude Code 不一致： 1. anthropic-beta 头缺少 claude-code-20250219：伪装路径主动将该 beta 加入 drop set 并移除，但 Anthropic 依赖此 beta 识别 Claude Code 请求。 修复：非 haiku 模型的伪装请求强制包含 claude-code beta。 2. system 字段使用 string 格式而非 array+cache_control：真实 Claude Code 始终以 [{type,text,cache_control:{type:"ephemeral"}}] 发送 system， string 格式成为第三方检测信号。 修复：rewriteSystemForNonClaudeCode 改为注入 array 格式。 附带调整：stripSystemCacheControl 按 system 是否被重写动态决定， 重写时保留 CC prompt 的 cache_control，未重写时（haiku/已含CC前缀） 保持原有剥离行为。
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Co-Authored-By: -
When multiple goroutines/workers concurrently refresh the same OAuth token, the first succeeds but invalidates the old refresh_token (rotation). Subsequent attempts using the stale token get invalid_grant, which was incorrectly treated as non-retryable, permanently marking the account as ERROR. Three complementary fixes: 1. Race-aware recovery: after invalid_grant, re-read DB to check if another worker already refreshed (refresh_token changed) — return success instead of error 2. In-process mutex (sync.Map of per-account locks): prevents concurrent refreshes within the same process, complementing the Redis distributed lock 3. Increase default lock TTL from 30s to 60s to reduce TTL-expiry races Co-Authored-By: -
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上游API近期更新后，response.completed终态SSE事件的output字段可能为空， 实际内容仅通过response.output_text.delta等增量事件下发。流式路径不受影响， 但chat_completions非流式路径和responses OAuth非流式路径只依赖终态事件的 output，导致返回空响应。 新增BufferedResponseAccumulator累积器，在SSE扫描过程中收集delta事件内容 （文本、function_call、reasoning），当终态output为空时补充重建。 同时修复handleChatBufferedStreamingResponse遗漏response.done事件类型的问题。
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Anthropic近期引入基于system参数内容的第三方应用检测机制，原有的前置追加 Claude Code提示词策略无法通过检测（后续内容仍为非Claude Code格式触发429）。 新策略：对非Claude Code客户端的OAuth/SetupToken账号请求，将system字段 完整替换为Claude Code标识提示词，原始system内容作为user/assistant消息对 注入messages开头，模型仍接收完整指令。 仅影响/v1/messages路径，chat_completions和responses路径保持原有逻辑不变。 真正的Claude Code客户端请求完全不受影响（原样透传）。
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- 06 Apr, 2026 2 commits
- 05 Apr, 2026 3 commits
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shaw authored
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shaw authored
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github-actions[bot] authored
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