feat(env): add tag support for environment variables and task injection

- Add generic DataRelation and DataStorage models for tags
- Update EnvService and EnvController to support tag assignment, querying, and filtering
- Integrate EnvTagsConfig in Env settings for managing environment tags
- Enhance TaskDialog environment selection to support searching and displaying env tags
- Fix missing TaskLangConfig import in RepoDialog

internal/models/vo/sys_vo.go

@@ -38,6 +38,7 @@ type EnvVO struct {
 	Value     string           `json:"value"`
 	Remark    string           `json:"remark"`
 	Type      string           `json:"type"`
+	Tags      string           `json:"tags"`
 	Hidden    bool             `json:"hidden"`
 	Enabled   bool             `json:"enabled"`
 	CreatedAt models.LocalTime `json:"created_at"`
@@ -59,6 +60,7 @@ func ToEnvVO(env *models.EnvironmentVariable) *EnvVO {
 		Value:     val,
 		Remark:    env.Remark,
 		Type:      env.Type,
+		Tags:      env.Tags,
 		Hidden:    utils.DerefBool(env.Hidden, true),
 		Enabled:   utils.DerefBool(env.Enabled, true),
 		CreatedAt: env.CreatedAt,