refactor(documents): rename document owner fields

backend/internal/logic/search/service_postgres_test.go

@@ -116,7 +116,7 @@ func createPostgresSearchDocument(
 	t.Helper()
 	document.ProjectID = project.ID
 	document.ProjectIdentity = project.Identity
-	document.CreatedBy = ownerID
+	document.OwnerID = ownerID
 	document.Kind = models.DocumentKindFile
 	document.Extension = ".md"
 	document.MimeType = "text/markdown; charset=utf-8"

backend/internal/logic/search/service_test.go

@@ -55,7 +55,7 @@ func TestSearchAppliesStableFairGlobalLimitAcrossResultTypes(t *testing.T) {
 		document := models.SaDocumentTree{
 			Identity:       fmt.Sprintf("00000000-0000-7003-8000-%012d", index),
 			ProjectID:      project.ID,
-			CreatedBy:      7,
+			OwnerID:        7,
 			Kind:           models.DocumentKindFile,
 			Name:           fmt.Sprintf("稳定排序文档 %02d.md", index),
 			NormalizedName: fmt.Sprintf("稳定排序文档 %02d.md", index),
@@ -139,7 +139,7 @@ func TestSearchOnlyReturnsNavigableProjectTaskAndDocumentResults(t *testing.T) {
 func createSearchDocument(t *testing.T, database *gorm.DB, projectID, userID uint, name, markdown, identity string, updatedAt time.Time) models.SaDocumentTree {
 	t.Helper()
 	document := models.SaDocumentTree{
-		Identity: identity, ProjectID: projectID, CreatedBy: userID, Kind: models.DocumentKindFile,
+		Identity: identity, ProjectID: projectID, OwnerID: userID, Kind: models.DocumentKindFile,
 		Name: name, NormalizedName: strings.ToLower(name), Extension: ".md",
 		MimeType: "text/markdown", Size: int64(len([]byte(markdown))), Revision: 1,
 		UpdatedAt: updatedAt,