feat: model configuration and embedding configuration optimization.

backend/bizpkg/config/knowledge/knowledge.go

@@ -82,9 +82,8 @@ func getKnowledgeConfigurationFromOldConfig() *config.KnowledgeConfig {
 					APIType: envkey.GetStringD("ARK_EMBEDDING_API_TYPE", "text_api"),
 				},
 				Openai: &config.OpenAIConnInfo{
-					ByAzure:     envkey.GetBoolD("OPENAI_EMBEDDING_BY_AZURE", false),
-					APIVersion:  envkey.GetString("OPENAI_EMBEDDING_API_VERSION"),
-					RequestDims: envkey.GetI32D("OPENAI_EMBEDDING_REQUEST_DIMS", 1024),
+					ByAzure:    envkey.GetBoolD("OPENAI_EMBEDDING_BY_AZURE", false),
+					APIVersion: envkey.GetString("OPENAI_EMBEDDING_API_VERSION"),
 				},
 
 				Gemini: &config.GeminiConnInfo{

backend/bizpkg/llm/modelbuilder/ark.go

@@ -33,7 +33,7 @@ type arkModelBuilder struct {
 	cfg *config.Model
 }
 
-func newArkModelBuilder(cfg *config.Model) *arkModelBuilder {
+func newArkModelBuilder(cfg *config.Model) Service {
 	return &arkModelBuilder{
 		cfg: cfg,
 	}
@@ -84,6 +84,21 @@ func (b *arkModelBuilder) Build(ctx context.Context, params *LLMParams) (ToolCal
 		chatModelConf.BaseURL = base.BaseURL
 	}
 
+	switch base.ThinkingType {
+	case config.ThinkingType_Enable:
+		chatModelConf.Thinking = &model.Thinking{
+			Type: model.ThinkingTypeEnabled,
+		}
+	case config.ThinkingType_Disable:
+		chatModelConf.Thinking = &model.Thinking{
+			Type: model.ThinkingTypeDisabled,
+		}
+	case config.ThinkingType_Auto:
+		chatModelConf.Thinking = &model.Thinking{
+			Type: model.ThinkingTypeAuto,
+		}
+	}
+
 	arkConn := b.cfg.Connection.Ark
 	if arkConn != nil {
 		chatModelConf.Region = arkConn.Region

backend/bizpkg/llm/modelbuilder/claude.go

@@ -28,7 +28,7 @@ type claudeModelBuilder struct {
 	cfg *config.Model
 }
 
-func newClaudeModelBuilder(cfg *config.Model) *claudeModelBuilder {
+func newClaudeModelBuilder(cfg *config.Model) Service {
 	return &claudeModelBuilder{
 		cfg: cfg,
 	}
@@ -71,6 +71,17 @@ func (c *claudeModelBuilder) Build(ctx context.Context, params *LLMParams) (Tool
 		conf.BaseURL = &base.BaseURL
 	}
 
+	switch base.ThinkingType {
+	case config.ThinkingType_Enable:
+		conf.Thinking = &claude.Thinking{
+			Enable: true,
+		}
+	case config.ThinkingType_Disable:
+		conf.Thinking = &claude.Thinking{
+			Enable: false,
+		}
+	}
+
 	c.applyParamsToChatModelConfig(conf, params)
 
 	return claude.NewChatModel(ctx, conf)

backend/bizpkg/llm/modelbuilder/deepseek.go

@@ -29,7 +29,7 @@ type deepseekModelBuilder struct {
 	cfg *config.Model
 }
 
-func newDeepseekModelBuilder(cfg *config.Model) *deepseekModelBuilder {
+func newDeepseekModelBuilder(cfg *config.Model) Service {
 	return &deepseekModelBuilder{
 		cfg: cfg,
 	}