Fixed: #137

refactor: simplify ConvertCodexResponseToClaudeNonStream by removing bufio.Scanner usage and restructuring response parsing logic

internal/translator/codex/claude/codex_claude_response.go

@@ -7,7 +7,6 @@
 package claude
 
 import (
-	"bufio"
 	"bytes"
 	"context"
 	"encoding/json"
@@ -180,29 +179,16 @@ func ConvertCodexResponseToClaude(_ context.Context, _ string, originalRequestRa
 // Returns:
 //   - string: A Claude Code-compatible JSON response containing all message content and metadata
 func ConvertCodexResponseToClaudeNonStream(_ context.Context, _ string, originalRequestRawJSON, _ []byte, rawJSON []byte, _ *any) string {
-	scanner := bufio.NewScanner(bytes.NewReader(rawJSON))
-	buffer := make([]byte, 20_971_520)
-	scanner.Buffer(buffer, 20_971_520)
 	revNames := buildReverseMapFromClaudeOriginalShortToOriginal(originalRequestRawJSON)
 
-	for scanner.Scan() {
-		line := scanner.Bytes()
-		if !bytes.HasPrefix(line, dataTag) {
-			continue
-		}
-		payload := bytes.TrimSpace(line[len(dataTag):])
-		if len(payload) == 0 {
-			continue
-		}
-
-		rootResult := gjson.ParseBytes(payload)
+	rootResult := gjson.ParseBytes(rawJSON)
 	if rootResult.Get("type").String() != "response.completed" {
-			continue
+		return ""
 	}
 
 	responseData := rootResult.Get("response")
 	if !responseData.Exists() {
-			continue
+		return ""
 	}
 
 	response := map[string]interface{}{
@@ -343,9 +329,6 @@ func ConvertCodexResponseToClaudeNonStream(_ context.Context, _ string, original
 		return ""
 	}
 	return string(responseJSON)
-	}
-
-	return ""
 }
 
 // buildReverseMapFromClaudeOriginalShortToOriginal builds a map[short]original from original Claude request tools.

internal/translator/openai/claude/openai_claude_response.go

@@ -466,7 +466,7 @@ func ConvertOpenAIResponseToClaudeNonStream(_ context.Context, _ string, origina
 		},
 	}
 
-	var contentBlocks []interface{}
+	contentBlocks := make([]interface{}, 0)
 	hasToolCall := false
 
 	if choices := root.Get("choices"); choices.Exists() && choices.IsArray() && len(choices.Array()) > 0 {
@@ -477,7 +477,8 @@ func ConvertOpenAIResponseToClaudeNonStream(_ context.Context, _ string, origina
 		}
 
 		if message := choice.Get("message"); message.Exists() {
-			if contentArray := message.Get("content"); contentArray.Exists() && contentArray.IsArray() {
+			if contentResult := message.Get("content"); contentResult.Exists() {
+				if contentResult.IsArray() {
 					var textBuilder strings.Builder
 					var thinkingBuilder strings.Builder
 
@@ -503,7 +504,7 @@ func ConvertOpenAIResponseToClaudeNonStream(_ context.Context, _ string, origina
 						thinkingBuilder.Reset()
 					}
 
-				for _, item := range contentArray.Array() {
+					for _, item := range contentResult.Array() {
 						typeStr := item.Get("type").String()
 						switch typeStr {
 						case "text":
@@ -551,6 +552,15 @@ func ConvertOpenAIResponseToClaudeNonStream(_ context.Context, _ string, origina
 
 					flushThinking()
 					flushText()
+				} else if contentResult.Type == gjson.String {
+					textContent := contentResult.String()
+					if textContent != "" {
+						contentBlocks = append(contentBlocks, map[string]interface{}{
+							"type": "text",
+							"text": textContent,
+						})
+					}
+				}
 			}
 
 			if toolCalls := message.Get("tool_calls"); toolCalls.Exists() && toolCalls.IsArray() {