更新 unified management 服务逻辑

server/unified-management/internal/legacy/legacy.go

@@ -38,6 +38,49 @@ func NewService(cfg *config.Config, store *db.Store) *Service {
 	return &Service{cfg: cfg, store: store}
 }
 
+func (s *Service) EnsureSeedDocuments(ctx context.Context) error {
+	for _, name := range []string{"update-info", "media-types"} {
+		if err := s.ensureSeedDocument(ctx, name); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (s *Service) ensureSeedDocument(ctx context.Context, name string) error {
+	fileName, err := fileNameFor(name)
+	if err != nil {
+		return err
+	}
+	target := filepath.Join(s.cfg.UpdatePublicDir, fileName)
+	if _, err := os.Stat(target); err == nil {
+		return nil
+	} else if !errors.Is(err, os.ErrNotExist) {
+		return err
+	}
+	source := filepath.Join(s.cfg.LegacyUpdateDir, "public", fileName)
+	data, err := os.ReadFile(source)
+	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return nil
+		}
+		return err
+	}
+	_, formatted, err := parseAndFormat(name, data)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(filepath.Dir(target), 0o750); err != nil {
+		return err
+	}
+	if err := atomicWrite(target, []byte(formatted)); err != nil {
+		return err
+	}
+	_, _ = s.store.SaveLegacyRevision(name, formatted, "从旧 update/public 初始化基板", "system")
+	_ = s.store.InsertAudit(db.AuditLog{Actor: "system", Type: "legacy_json.seeded", Target: name, Message: "已从旧项目导入兼容 JSON 基板"})
+	return nil
+}
+
 func (s *Service) Get(ctx context.Context, name string) (Document, error) {
 	fileName, err := fileNameFor(name)
 	if err != nil {
@@ -97,7 +140,7 @@ func (s *Service) Save(ctx context.Context, name string, req SaveRequest, actor
 		return Document{}, err
 	}
 	_, _ = s.store.SaveLegacyRevision(name, formatted, req.Note, actor)
-	_ = s.store.InsertAudit(db.AuditLog{Actor: actor, Type: "legacy_json.saved", Target: name, Message: "Legacy JSON saved"})
+	_ = s.store.InsertAudit(db.AuditLog{Actor: actor, Type: "legacy_json.saved", Target: name, Message: legacyMessage(name, "已保存并发布兼容 JSON")})
 	revisions, _ := s.store.ListLegacyRevisions(name, 20)
 	return Document{Name: name, Raw: formatted, Parsed: parsed, Path: path, UpdatedAt: db.Now(), Revisions: revisions}, nil
 }
@@ -124,11 +167,22 @@ func (s *Service) Restore(ctx context.Context, name string, revisionID int64, ac
 		return Document{}, err
 	}
 	_, _ = s.store.SaveLegacyRevision(name, formatted, "restored revision", actor)
-	_ = s.store.InsertAudit(db.AuditLog{Actor: actor, Type: "legacy_json.restored", Target: name, Message: "Legacy JSON restored"})
+	_ = s.store.InsertAudit(db.AuditLog{Actor: actor, Type: "legacy_json.restored", Target: name, Message: legacyMessage(name, "已恢复兼容 JSON 历史版本")})
 	revisions, _ := s.store.ListLegacyRevisions(name, 20)
 	return Document{Name: name, Raw: formatted, Parsed: parsed, Path: path, UpdatedAt: db.Now(), Revisions: revisions}, nil
 }
 
+func legacyMessage(name, action string) string {
+	switch name {
+	case "update-info":
+		return "更新 JSON：" + action
+	case "media-types":
+		return "媒体源 JSON：" + action
+	default:
+		return action
+	}
+}
+
 func fileNameFor(name string) (string, error) {
 	switch strings.TrimSpace(name) {
 	case "update-info":