sub2api/backend/internal/service/gateway_claude_runtime_headers.go

package service

import (
	"net/http"
	"strings"

	claude "github.com/Wei-Shaw/sub2api/internal/pkg/claude"
)

func applyClaudeRuntimeOptionalHeaders(req *http.Request) {
	if req == nil {
		return
	}
	for key, value := range claude.OptionalAPIHeaders() {
		if strings.TrimSpace(value) == "" {
			continue
		}
		setHeaderRaw(req.Header, resolveWireCasing(key), value)
	}
}

func attributionOptionsForRequest(account *Account, tokenType string) attributionBlockOptions {
	return attributionBlockOptions{
		Entrypoint: claude.CurrentEntrypoint(),
		Workload:   claude.CurrentWorkload(),
		OmitCCH:    shouldOmitAttributionCCH(account, tokenType),
	}
}

func shouldOmitAttributionCCH(account *Account, tokenType string) bool {
	if strings.EqualFold(strings.TrimSpace(tokenType), "bedrock") {
		return true
	}
	if account == nil {
		return false
	}
	if account.Type == AccountTypeBedrock {
		return true
	}
	for _, key := range []string{"provider", "upstream_provider"} {
		switch strings.ToLower(strings.TrimSpace(account.GetExtraString(key))) {
		case "bedrock", "anthropicaws", "anthropic_aws", "mantle":
			return true
		}
	}
	return false
}