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/database/migrations.go

@@ -11,7 +11,7 @@ import (
 	"gorm.io/gorm"
 )
 
-const CurrentSchemaVersion int64 = 53
+const CurrentSchemaVersion int64 = 54
 
 const baselineSchemaChecksum = "sha256:open-ai-canvas-schema-v1-20260830"
 const schemaMigrationAppliedAtIndexChecksum = "sha256:schema-migrations-applied-at-index-v2-20260830"
@@ -178,6 +178,9 @@ var schemaMigrations = []migration{
 	{version: 53, name: "user_login_logs", checksum: "sha256:user-login-logs-v53", apply: func(tx *gorm.DB) error {
 		return tx.AutoMigrate(&model.LoginLog{})
 	}},
+	{version: 54, name: "workbench_tools_and_presets", checksum: "sha256:workbench-tools-presets-v54-20261014", apply: func(tx *gorm.DB) error {
+		return tx.AutoMigrate(&model.WorkbenchTool{}, &model.WorkbenchPreset{}, &model.Task{})
+	}},
 }
 
 func migratePrefixedIDSequenceReconcile(tx *gorm.DB) error {

backend/internal/database/migrations_test.go

@@ -39,6 +39,15 @@ func TestMigrateSchemaRecordsAndValidatesVersion(t *testing.T) {
 	if !db.Migrator().HasTable(&model.UploadReservation{}) {
 		t.Fatal("upload reservation migration missing")
 	}
+	if !db.Migrator().HasTable(&model.WorkbenchTool{}) || !db.Migrator().HasTable(&model.WorkbenchPreset{}) {
+		t.Fatal("schema migration v54 did not create workbench tool and preset tables")
+	}
+	if !db.Migrator().HasIndex(&model.WorkbenchTool{}, "idx_workbench_tools_kind_enabled_sort") {
+		t.Fatal("schema migration v54 did not create the workbench catalog index")
+	}
+	if !db.Migrator().HasIndex(&model.WorkbenchPreset{}, "idx_workbench_presets_tool_enabled_sort") {
+		t.Fatal("schema migration v54 did not create the workbench preset index")
+	}
 	if !db.Migrator().HasIndex(&schemaMigration{}, "idx_schema_migrations_applied_at") {
 		t.Fatal("schema migration v2 did not create the applied_at index")
 	}

backend/internal/database/schema.go

@@ -105,6 +105,8 @@ func Models() []any {
 		&model.CanvasSnapshot{},
 		&model.CanvasSnapshotResource{},
 		&model.CanvasMutationReceipt{},
+		&model.WorkbenchTool{},
+		&model.WorkbenchPreset{},
 		&model.CanvasShare{},
 		&model.PromptTemplate{},
 		&model.UserPromptCustomization{},