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fix(gateway): use full beta list in buildUpstreamRequest mimicry path

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The previous commit added FullClaudeCodeMimicryBetas() but the two
call sites in buildUpstreamRequest still hardcoded the old 3-token
subset. Anthropic now checks the complete set of beta tokens to
decide if a request qualifies as Claude Code. Wire them up:

  - /v1/messages mimic path: requiredBetas = FullClaudeCodeMimicryBetas()
  - /v1/messages/count_tokens mimic path: same + BetaTokenCounting

Haiku models keep the 2-token exemption (BetaOAuth + InterleaveThinking).
This commit is contained in:
keh4l
2026-04-24 19:49:08 +08:00
parent b5467d610a
commit 165553cfb0
1 changed files with 2 additions and 2 deletions
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4
backend/internal/service/gateway_service.go
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@@ -5738,7 +5738,7 @@ func (s *GatewayService) buildUpstreamRequest(ctx context.Context, c *gin.Contex
// Haiku models are exempt from third-party detection and don't need it. // Haiku models are exempt from third-party detection and don't need it.
requiredBetas := []string{claude.BetaOAuth, claude.BetaInterleavedThinking} requiredBetas := []string{claude.BetaOAuth, claude.BetaInterleavedThinking}
if !strings.Contains(strings.ToLower(modelID), "haiku") { if !strings.Contains(strings.ToLower(modelID), "haiku") {
requiredBetas = []string{claude.BetaClaudeCode, claude.BetaOAuth, claude.BetaInterleavedThinking} requiredBetas = claude.FullClaudeCodeMimicryBetas()
} }
setHeaderRaw(req.Header, "anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, effectiveDropSet)) setHeaderRaw(req.Header, "anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, effectiveDropSet))
} else { } else {
@@ -8739,7 +8739,7 @@ func (s *GatewayService) buildCountTokensRequest(ctx context.Context, c *gin.Con
applyClaudeCodeMimicHeaders(req, false) applyClaudeCodeMimicHeaders(req, false)
incomingBeta := getHeaderRaw(req.Header, "anthropic-beta") incomingBeta := getHeaderRaw(req.Header, "anthropic-beta")
requiredBetas := []string{claude.BetaClaudeCode, claude.BetaOAuth, claude.BetaInterleavedThinking, claude.BetaTokenCounting} requiredBetas := append(claude.FullClaudeCodeMimicryBetas(), claude.BetaTokenCounting)
setHeaderRaw(req.Header, "anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, ctEffectiveDropSet)) setHeaderRaw(req.Header, "anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, ctEffectiveDropSet))
} else { } else {
clientBetaHeader := getHeaderRaw(req.Header, "anthropic-beta") clientBetaHeader := getHeaderRaw(req.Header, "anthropic-beta")