refactor: enhance extraction query handling; add support for JSON column extraction and wildcard patterns

internal/app/config/migration.go

@@ -43,14 +43,20 @@ type JobConfig struct {
 	ToStorage               ToStorageConfig `yaml:"to_storage"`
 }
 
+type FromJsonItem struct {
+	Column string `yaml:"column"`
+	Field  string `yaml:"field"`
+}
+
 type TableInfo struct {
 	Schema string `yaml:"schema"`
 	Table  string `yaml:"table"`
 }
 
 type SourceTableInfo struct {
-	TableInfo  `yaml:",inline"`
-	PrimaryKey string `yaml:"primary_key"`
+	TableInfo      `yaml:",inline"`
+	PrimaryKey     string         `yaml:"primary_key"`
+	FromJsonConfig []FromJsonItem `yaml:"from_json"`
 }
 
 type TargetTableInfo struct {