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fix: strip Claude Code attribution from non-Anthropic translations

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This commit is contained in:
Mad Wiki
2026-05-17 04:21:53 +08:00
parent 53d1fd6c5c
commit d606faa99c
11 changed files with 166 additions and 7 deletions
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internal/translator/gemini/claude/gemini_claude_request.go
+4 -1
View File
@@ -43,6 +43,9 @@ func ConvertClaudeRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
if systemPromptResult.Get("type").String() == "text" {
textResult := systemPromptResult.Get("text")
if textResult.Type == gjson.String {
if util.IsClaudeCodeAttributionSystemText(textResult.String()) {
return true
}
part := []byte(`{"text":""}`)
part, _ = sjson.SetBytes(part, "text", textResult.String())
systemInstruction, _ = sjson.SetRawBytes(systemInstruction, "parts.-1", part)
@@ -54,7 +57,7 @@ func ConvertClaudeRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
if hasSystemParts {
out, _ = sjson.SetRawBytes(out, "system_instruction", systemInstruction)
}
} else if systemResult.Type == gjson.String {
} else if systemResult.Type == gjson.String && !util.IsClaudeCodeAttributionSystemText(systemResult.String()) {
out, _ = sjson.SetBytes(out, "system_instruction.parts.-1.text", systemResult.String())
}
internal/translator/gemini/claude/gemini_claude_request_test.go
+28
View File
@@ -78,3 +78,31 @@ func TestConvertClaudeRequestToGemini_ImageContent(t *testing.T) {
t.Fatalf("Expected image data 'aGVsbG8=', got '%s'", got)
}
}
func TestConvertClaudeRequestToGemini_StripsClaudeCodeAttribution(t *testing.T) {
inputJSON := []byte(`{
"model": "claude-sonnet-4-5",
"system": [
{"type": "text", "text": "x-anthropic-billing-header: cc_version=2.1.63.abc; cc_entrypoint=cli; cch=12345;"},
{"type": "text", "text": "You are a Claude agent, built on Anthropic's Claude Agent SDK."},
{"type": "text", "text": "User system prompt"}
],
"messages": [{"role": "user", "content": [{"type": "text", "text": "hi"}]}]
}`)
output := ConvertClaudeRequestToGemini("gemini-3-flash-preview", inputJSON, false)
parts := gjson.GetBytes(output, "system_instruction.parts").Array()
if len(parts) != 2 {
t.Fatalf("Expected 2 system parts after attribution strip, got %d: %s", len(parts), gjson.GetBytes(output, "system_instruction.parts").Raw)
}
if got := parts[0].Get("text").String(); got != "You are a Claude agent, built on Anthropic's Claude Agent SDK." {
t.Fatalf("Unexpected first system part: %q", got)
}
if got := parts[1].Get("text").String(); got != "User system prompt" {
t.Fatalf("Unexpected second system part: %q", got)
}
if gjson.GetBytes(output, `system_instruction.parts.#(text%"x-anthropic-billing-header:*")`).Exists() {
t.Fatalf("Claude Code attribution block was forwarded: %s", gjson.GetBytes(output, "system_instruction.parts").Raw)
}
}