fix: gemini vertexai image thoughts need disable and enabled by default (#467)

Author: zijiren233

core/relay/adaptor/gemini/openai.go

@@ -125,12 +125,14 @@ func buildGenerationConfig(
 	// https://ai.google.dev/gemini-api/docs/thinking
 	if config.ThinkingConfig == nil &&
 		(strings.Contains(meta.ActualModel, "-2.5") ||
-			strings.Contains(meta.ActualModel, "-3")) &&
+			strings.Contains(meta.ActualModel, "-3")) {
 		// disable vertexai image model include thoughts
 		// because error call gemini-3-pro-image-preview model
-		(meta.Channel.Type == model.ChannelTypeVertexAI && !strings.Contains(meta.ActualModel, "image")) {
-		config.ThinkingConfig = &relaymodel.GeminiThinkingConfig{
-			IncludeThoughts: true,
+		if meta.Channel.Type != model.ChannelTypeVertexAI ||
+			!strings.Contains(meta.ActualModel, "image") {
+			config.ThinkingConfig = &relaymodel.GeminiThinkingConfig{
+				IncludeThoughts: true,
+			}
 		}
 	}
 

core/relay/adaptor/streamlake/adaptor.go

@@ -10,9 +10,9 @@ import (
 	"github.com/labring/aiproxy/core/relay/adaptor"
 	"github.com/labring/aiproxy/core/relay/adaptor/anthropic"
 	"github.com/labring/aiproxy/core/relay/adaptor/openai"
-	relaymodel "github.com/labring/aiproxy/core/relay/model"
 	"github.com/labring/aiproxy/core/relay/meta"
 	"github.com/labring/aiproxy/core/relay/mode"
+	relaymodel "github.com/labring/aiproxy/core/relay/model"
 	"github.com/labring/aiproxy/core/relay/utils"
 )