feat(*): 生图与视频工作台 - 新增独立生成流程并整合平台配置

backend/internal/model/models_task.go

@@ -13,6 +13,7 @@ type Task struct {
 	CancellationActorID          string                   `json:"cancellationActorId,omitempty" gorm:"size:36"`
 	CancellationRequestedAt      *time.Time               `json:"cancellationRequestedAt,omitempty"`
 	CreationSubmissionID         *string                  `json:"creationSubmissionId,omitempty" gorm:"size:36;uniqueIndex"`
+	WorkbenchKind                string                   `json:"workbenchKind,omitempty" gorm:"size:16;index"`
 	ID                           string                   `json:"id" gorm:"primaryKey;size:36"`
 	UserID                       string                   `json:"userId" gorm:"index;size:36;index:idx_tasks_user_created,priority:1;index:idx_tasks_user_project_created,priority:1"`
 	TraceID                      string                   `json:"-" gorm:"index;size:96"`

backend/internal/model/models_workbench.go

@@ -0,0 +1,46 @@
+package model
+
+import "time"
+
+const (
+	WorkbenchKindImage = "image"
+	WorkbenchKindVideo = "video"
+)
+
+// WorkbenchTool is an administrator-managed public generation entry.
+type WorkbenchTool struct {
+	ID              string    `json:"id" gorm:"primaryKey;size:36"`
+	Kind            string    `json:"kind" gorm:"size:16;index:idx_workbench_tools_kind_enabled_sort,priority:1"`
+	CategoryID      string    `json:"categoryId" gorm:"size:64;index"`
+	Name            string    `json:"name" gorm:"size:120;not null"`
+	Subtitle        string    `json:"subtitle" gorm:"size:240"`
+	Description     string    `json:"description" gorm:"type:text"`
+	IconResourceID  string    `json:"iconResourceId" gorm:"size:36"`
+	CoverResourceID string    `json:"coverResourceId" gorm:"size:36"`
+	SortOrder       int       `json:"sortOrder" gorm:"not null;default:0;index:idx_workbench_tools_kind_enabled_sort,priority:3"`
+	CapabilityJSON  string    `json:"capabilityJson" gorm:"type:text"`
+	GuideJSON       string    `json:"guideJson" gorm:"type:text"`
+	Enabled         bool      `json:"enabled" gorm:"index:idx_workbench_tools_kind_enabled_sort,priority:2"`
+	Version         int       `json:"version" gorm:"not null;default:1"`
+	CreatedBy       string    `json:"createdBy" gorm:"size:36;index"`
+	UpdatedBy       string    `json:"updatedBy" gorm:"size:36;index"`
+	CreatedAt       time.Time `json:"createdAt"`
+	UpdatedAt       time.Time `json:"updatedAt"`
+}
+
+// WorkbenchPreset is a versioned prompt/configuration preset owned by a tool.
+type WorkbenchPreset struct {
+	ID                string    `json:"id" gorm:"primaryKey;size:36"`
+	ToolID            string    `json:"toolId" gorm:"size:36;index:idx_workbench_presets_tool_enabled_sort,priority:1"`
+	Name              string    `json:"name" gorm:"size:120;not null"`
+	Summary           string    `json:"summary" gorm:"size:500"`
+	PromptTemplate    string    `json:"promptTemplate" gorm:"type:text"`
+	DefaultParamsJSON string    `json:"defaultParameters" gorm:"type:text"`
+	SortOrder         int       `json:"sortOrder" gorm:"not null;default:0;index:idx_workbench_presets_tool_enabled_sort,priority:3"`
+	Enabled           bool      `json:"enabled" gorm:"index:idx_workbench_presets_tool_enabled_sort,priority:2"`
+	Version           int       `json:"version" gorm:"not null;default:1"`
+	CreatedBy         string    `json:"createdBy" gorm:"size:36;index"`
+	UpdatedBy         string    `json:"updatedBy" gorm:"size:36;index"`
+	CreatedAt         time.Time `json:"createdAt"`
+	UpdatedAt         time.Time `json:"updatedAt"`
+}