feat: add model vendor and display group management

backend/internal/app/app.go

@@ -243,7 +243,7 @@ func NewApp() (*App, error) {
 	llmClient := llm.NewClient(trustedOutboundPolicy)
 	mcpClient := mcp.NewClient(trustedOutboundPolicy)
 	mediaArtifactClient := mediaartifact.New(strictOutboundPolicy)
-	channelService := channel.NewServiceWithRuntime(runtimeCfg, channelRepo, channelCache, llmClient)
+	channelService := channel.NewServiceWithRuntime(runtimeCfg, channelRepo, channelRepo, channelCache, llmClient)
 	channelService.SetLogger(log)
 	channelService.SetBillingModelPricingFilter(billingService)
 	channelService.SetPermissionGroupRepo(channelRepo)

backend/internal/application/channel/dto.go

@@ -135,6 +135,11 @@ type ModelView struct {
 	ID                 uint
 	PlatformModelName  string
 	Vendor             string
+	VendorName         string
+	VendorIcon         string
+	DisplayGroupID     *uint
+	DisplayGroupName   string
+	DisplayGroupIcon   string
 	KindsJSON          string
 	Icon               string
 	CapabilitiesJSON   string
@@ -156,6 +161,28 @@ type ModelView struct {
 	UpdatedAt          string
 }
 
+// ModelVendorView 表示技术厂商目录展示数据。
+type ModelVendorView struct {
+	ID        uint
+	Key       string
+	Name      string
+	Icon      string
+	BuiltIn   bool
+	SortOrder int
+	CreatedAt string
+	UpdatedAt string
+}
+
+// ModelDisplayGroupView 表示自定义模型展示分组数据。
+type ModelDisplayGroupView struct {
+	ID        uint
+	Name      string
+	Icon      string
+	SortOrder int
+	CreatedAt string
+	UpdatedAt string
+}
+
 // UpstreamModelView 上游模型路由绑定展示数据（内部传输，不携带序列化标记）。
 type UpstreamModelView struct {
 	ID                     uint

backend/internal/application/channel/errs.go

@@ -43,6 +43,18 @@ var (
 	ErrSystemPromptTooLong = errors.New("system prompt too long")
 	// ErrInvalidModelOrder 模型排序参数无效。
 	ErrInvalidModelOrder = errors.New("invalid model order")
+	// ErrModelVendorNotFound 技术厂商不存在。
+	ErrModelVendorNotFound = errors.New("model vendor not found")
+	// ErrModelVendorConflict 技术厂商 key 重复。
+	ErrModelVendorConflict = errors.New("model vendor conflict")
+	// ErrInvalidModelVendor 技术厂商参数无效。
+	ErrInvalidModelVendor = errors.New("invalid model vendor")
+	// ErrModelDisplayGroupNotFound 展示分组不存在。
+	ErrModelDisplayGroupNotFound = errors.New("model display group not found")
+	// ErrModelDisplayGroupConflict 展示分组名称重复。
+	ErrModelDisplayGroupConflict = errors.New("model display group conflict")
+	// ErrInvalidModelDisplayGroup 展示分组参数无效。
+	ErrInvalidModelDisplayGroup = errors.New("invalid model display group")
 	// ErrInvalidPermissionGroupModels 模型权限组参数无效。
 	ErrInvalidPermissionGroupModels = errors.New("invalid permission group models")
 	// ErrPermissionGroupRepoUnavailable 权限组仓储未注入。

backend/internal/application/channel/input.go

@@ -44,6 +44,7 @@ type UpdateUpstreamInput struct {
 type CreateModelInput struct {
 	PlatformModelName  string
 	Vendor             string
+	DisplayGroupID     uint
 	KindsJSON          string
 	Icon               string
 	CapabilitiesJSON   string
@@ -61,6 +62,7 @@ type CreateModelInput struct {
 type UpdateModelInput struct {
 	PlatformModelName  *string
 	Vendor             *string
+	DisplayGroupID     *uint
 	KindsJSON          *string
 	Icon               *string
 	CapabilitiesJSON   *string
@@ -74,6 +76,33 @@ type UpdateModelInput struct {
 	CbWindowMin        *int
 }
 
+// CreateModelVendorInput 定义创建技术厂商入参。
+type CreateModelVendorInput struct {
+	Key  string
+	Name string
+	Icon string
+}
+
+// UpdateModelVendorInput 定义更新技术厂商展示信息入参。
+type UpdateModelVendorInput struct {
+	Name *string
+	Icon *string
+}
+
+// CreateModelDisplayGroupInput 定义创建模型展示分组入参。
+type CreateModelDisplayGroupInput struct {
+	Name     string
+	Icon     string
+	ModelIDs []uint
+}
+
+// UpdateModelDisplayGroupInput 定义更新模型展示分组入参。
+type UpdateModelDisplayGroupInput struct {
+	Name     *string
+	Icon     *string
+	ModelIDs *[]uint
+}
+
 // UpsertUpstreamModelInput 定义上游真实模型与平台路由保存入参。
 type UpsertUpstreamModelInput struct {
 	RouteID            uint

backend/internal/application/channel/service.go

@@ -95,6 +95,7 @@ func (s *Service) isModelAccessible(ctx context.Context, platformModelID uint, u
 type Service struct {
 	cfg                *config.Runtime
 	repo               repository.ChannelRepository
+	presentationRepo   repository.ModelPresentationRepository
 	cache              repository.ChannelCacheRepository
 	llmClient          *llm.Client
 	modelPricingFilter billingModelPricingFilter
@@ -192,17 +193,18 @@ const (
 var localAPIKeyCounters sync.Map
 
 // NewService 创建服务。
-func NewService(cfg config.Config, repo repository.ChannelRepository, cache repository.ChannelCacheRepository, llmClient *llm.Client) *Service {
-	return NewServiceWithRuntime(config.NewRuntime(cfg), repo, cache, llmClient)
+func NewService(cfg config.Config, repo repository.ChannelRepository, presentationRepo repository.ModelPresentationRepository, cache repository.ChannelCacheRepository, llmClient *llm.Client) *Service {
+	return NewServiceWithRuntime(config.NewRuntime(cfg), repo, presentationRepo, cache, llmClient)
 }
 
 // NewServiceWithRuntime 创建使用运行时配置容器的服务。
-func NewServiceWithRuntime(cfg *config.Runtime, repo repository.ChannelRepository, cache repository.ChannelCacheRepository, llmClient *llm.Client) *Service {
+func NewServiceWithRuntime(cfg *config.Runtime, repo repository.ChannelRepository, presentationRepo repository.ModelPresentationRepository, cache repository.ChannelCacheRepository, llmClient *llm.Client) *Service {
 	return &Service{
-		cfg:       cfg,
-		repo:      repo,
-		cache:     cache,
-		llmClient: llmClient,
+		cfg:              cfg,
+		repo:             repo,
+		presentationRepo: presentationRepo,
+		cache:            cache,
+		llmClient:        llmClient,
 	}
 }
 

backend/internal/application/channel/service_model.go

@@ -208,6 +208,10 @@ func cloneModelViews(items []ModelView) []ModelView {
 	}
 	results := make([]ModelView, 0, len(items))
 	for _, item := range items {
+		if item.DisplayGroupID != nil {
+			displayGroupID := *item.DisplayGroupID
+			item.DisplayGroupID = &displayGroupID
+		}
 		if item.Pricing != nil {
 			pricing := *item.Pricing
 			if len(pricing.Tiers) > 0 {
@@ -347,12 +351,25 @@ func (s *Service) CreateModel(ctx context.Context, input CreateModelInput) (*Mod
 		return nil, err
 	}
 	cbPolicyMode := normalizeModelCircuitPolicyMode(input.CbPolicyMode)
+	vendor, err := s.resolvePlatformModelVendor(ctx, input.Vendor, platformModelName)
+	if err != nil {
+		return nil, err
+	}
+	if err := s.validateModelDisplayGroup(ctx, input.DisplayGroupID); err != nil {
+		return nil, err
+	}
+	var displayGroupID *uint
+	if input.DisplayGroupID > 0 {
+		value := input.DisplayGroupID
+		displayGroupID = &value
+	}
 
 	item := &domainchannel.PlatformModel{
 		PlatformModelName:  platformModelName,
-		Vendor:             normalizeModelVendor(input.Vendor, platformModelName),
+		Vendor:             vendor,
+		DisplayGroupID:     displayGroupID,
 		KindsJSON:          kindsJSON,
-		Icon:               normalizeModelIcon(input.Icon, input.Vendor, platformModelName),
+		Icon:               normalizeModelIcon(input.Icon, vendor, platformModelName),
 		CapabilitiesJSON:   strings.TrimSpace(input.CapabilitiesJSON),
 		SystemPrompt:       systemPrompt,
 		AccessScope:        accessScope,
@@ -370,8 +387,7 @@ func (s *Service) CreateModel(ctx context.Context, input CreateModelInput) (*Mod
 		return nil, err
 	}
 	s.InvalidateModelCatalog()
-	view := toModelView(repository.ChannelModelListRow{PlatformModel: *item})
-	return &view, nil
+	return s.getModelViewByID(ctx, item.ID)
 }
 
 // UpdateModel 更新平台模型目录项。
@@ -381,7 +397,10 @@ func (s *Service) UpdateModel(ctx context.Context, modelID uint, input UpdateMod
 		return nil, err
 	}
 
-	nextVendor := normalizeModelVendor(current.Vendor, current.PlatformModelName)
+	nextVendor, err := normalizeModelVendorKey(current.Vendor)
+	if err != nil {
+		return nil, err
+	}
 	nextPlatformModelName := current.PlatformModelName
 
 	update := repository.UpdateChannelModelInput{}
@@ -393,9 +412,19 @@ func (s *Service) UpdateModel(ctx context.Context, modelID uint, input UpdateMod
 		update.PlatformModelName = &nextPlatformModelName
 	}
 	if input.Vendor != nil {
-		nextVendor = normalizeModelVendor(*input.Vendor, nextPlatformModelName)
+		nextVendor, err = s.resolvePlatformModelVendor(ctx, *input.Vendor, nextPlatformModelName)
+		if err != nil {
+			return nil, err
+		}
 		update.Vendor = &nextVendor
 	}
+	if input.DisplayGroupID != nil {
+		if err := s.validateModelDisplayGroup(ctx, *input.DisplayGroupID); err != nil {
+			return nil, err
+		}
+		value := *input.DisplayGroupID
+		update.DisplayGroupID = &value
+	}
 	if input.KindsJSON != nil {
 		kindsJSON, err := normalizeKindsJSON(*input.KindsJSON)
 		if err != nil {
@@ -453,7 +482,10 @@ func (s *Service) UpdateModel(ctx context.Context, modelID uint, input UpdateMod
 		update.CbWindowMin = &value
 	}
 	if input.Vendor == nil && input.PlatformModelName != nil {
-		autoVendor := normalizeModelVendor("", nextPlatformModelName)
+		autoVendor, err := s.resolvePlatformModelVendor(ctx, "", nextPlatformModelName)
+		if err != nil {
+			return nil, err
+		}
 		if autoVendor != nextVendor {
 			update.Vendor = &autoVendor
 			nextVendor = autoVendor