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backend/internal/translator/claude/openai/responses/claude_openai_responses_compat_test.go

@@ -0,0 +1,29 @@
+package responses
+
+import (
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
+
+func TestConvertOpenAIResponsesRequestToClaudeWithCompatPreservesEmptyReasoning(t *testing.T) {
+	payload := []byte(`{"input":[{"type":"reasoning","summary":[{"type":"summary_text","text":"reason"}],"encrypted_content":""}]}`)
+
+	withoutCompat := ConvertOpenAIResponsesRequestToClaude("deepseek-v4", payload, false)
+	if gjson.GetBytes(withoutCompat, "messages.#").Int() != 0 {
+		t.Fatalf("default translation preserved empty reasoning: %s", withoutCompat)
+	}
+
+	withCompat := ConvertOpenAIResponsesRequestToClaudeWithCompat("deepseek-v4", payload, false)
+	part := gjson.GetBytes(withCompat, "messages.0.content.0")
+	if part.Get("type").String() != "thinking" || part.Get("signature").String() != "" {
+		t.Fatalf("compat translation missing unsigned thinking block: %s", withCompat)
+	}
+
+	opaquePayload := []byte(`{"input":[{"type":"reasoning","summary":[{"type":"summary_text","text":"reason"}],"encrypted_content":"opaque-deepseek-id"}]}`)
+	opaqueCompat := ConvertOpenAIResponsesRequestToClaudeWithCompat("deepseek-v4", opaquePayload, false)
+	opaquePart := gjson.GetBytes(opaqueCompat, "messages.0.content.0")
+	if opaquePart.Get("type").String() != "thinking" || opaquePart.Get("thinking").String() != "reason" || opaquePart.Get("signature").String() != "opaque-deepseek-id" {
+		t.Fatalf("compat translation dropped invalid-signature thinking block: %s", opaqueCompat)
+	}
+}

backend/internal/translator/claude/openai/responses/init.go

@@ -0,0 +1,19 @@
+package responses
+
+import (
+	. "github.com/router-for-me/CLIProxyAPI/v7/internal/constant"
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/interfaces"
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/translator/translator"
+)
+
+func init() {
+	translator.Register(
+		OpenaiResponse,
+		Claude,
+		ConvertOpenAIResponsesRequestToClaude,
+		interfaces.TranslateResponse{
+			Stream:    ConvertClaudeResponseToOpenAIResponses,
+			NonStream: ConvertClaudeResponseToOpenAIResponsesNonStream,
+		},
+	)
+}

backend/internal/translator/claude/openai/responses/noop_optimization_test.go

@@ -0,0 +1,21 @@
+package responses
+
+import (
+	"context"
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
+
+func TestConvertClaudeResponseToOpenAIResponsesNonStreamKeepsZeroUsageDefaults(t *testing.T) {
+	input := []byte(`data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"hello"}}`)
+
+	output := ConvertClaudeResponseToOpenAIResponsesNonStream(context.Background(), "", nil, nil, input, nil)
+
+	for _, path := range []string{"usage.input_tokens", "usage.input_tokens_details.cached_tokens", "usage.output_tokens", "usage.total_tokens"} {
+		value := gjson.GetBytes(output, path)
+		if !value.Exists() || value.Int() != 0 {
+			t.Fatalf("%s = %s, want zero", path, value.Raw)
+		}
+	}
+}