feat(skd-edit): add-selection @group= targets named StructureItemGroup

- add-selection supports @group=Name to add selection items to a named grouping instead of variant level
- Finds StructureItemGroup by dcsset:name, falls back to variant level if not found
- Document @group= in SKILL.md

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/skills/skd-edit/SKILL.md

@@ -129,6 +129,12 @@ Shorthand: `"Поле [desc]"`. По умолчанию asc. `Auto` — авто
 
 `Folder(Название: поле1, поле2)` — группа полей (SelectedItemFolder) с заголовком и `placement=Auto`.
 
+`@group=ИмяГруппировки` — добавить в selection именованной группировки (вместо уровня варианта):
+
+```
+"Folder(Поступление: ПолеА, ПолеБ) @group=ДанныеОтчета"
+```
+
 ### add-dataSetLink — добавить связь наборов данных
 
 Shorthand: `"Источник > Приёмник on ВырИсточника = ВырПриёмника [param Имя]"`.

.claude/skills/skd-edit/scripts/skd-edit.ps1

@@ -1882,8 +1882,31 @@ switch ($Operation) {
 
 		foreach ($val in $values) {
 			$fieldName = $val.Trim()
+			$groupName = $null
 
-			$selection = Ensure-SettingsChild $settings "selection" @()
+			# Extract @group=Name
+			if ($fieldName -match '\s*@group=(\S+)') {
+				$groupName = $Matches[1]
+				$fieldName = ($fieldName -replace '\s*@group=\S+', '').Trim()
+			}
+
+			if ($groupName) {
+				# Find named StructureItemGroup
+				$dcssetNs = "http://v8.1c.ru/8.1/data-composition-system/settings"
+				$nsMgr = New-Object System.Xml.XmlNamespaceManager($xmlDoc.NameTable)
+				$nsMgr.AddNamespace("dcsset", $dcssetNs)
+				$groupEl = $settings.SelectSingleNode(".//dcsset:item[@xsi:type='dcsset:StructureItemGroup'][dcsset:name='$groupName']", $nsMgr)
+				if (-not $groupEl) {
+					Write-Host "[WARN] StructureItemGroup `"$groupName`" not found — adding to variant level"
+					$targetEl = $settings
+				} else {
+					$targetEl = $groupEl
+				}
+			} else {
+				$targetEl = $settings
+			}
+
+			$selection = Ensure-SettingsChild $targetEl "selection" @()
 			$selIndent = Get-ContainerChildIndent $selection
 
 			$selXml = Build-SelectionItemFragment -fieldName $fieldName -indent $selIndent
@@ -1892,7 +1915,8 @@ switch ($Operation) {
 				Insert-BeforeElement $selection $node $null $selIndent
 			}
 
-			Write-Host "[OK] Selection `"$fieldName`" added to variant `"$varName`""
+			$target = if ($groupName) { "group `"$groupName`"" } else { "variant `"$varName`"" }
+			Write-Host "[OK] Selection `"$fieldName`" added to $target"
 		}
 	}
 

.claude/skills/skd-edit/scripts/skd-edit.py

@@ -1594,13 +1594,38 @@ elif operation == "add-selection":
     var_name = get_variant_name()
     for val in values:
         field_name = val.strip()
-        selection = ensure_settings_child(settings, "selection", [])
+        group_name = None
+
+        # Extract @group=Name
+        gm = re.search(r'\s*@group=(\S+)', field_name)
+        if gm:
+            group_name = gm.group(1)
+            field_name = re.sub(r'\s*@group=\S+', '', field_name).strip()
+
+        if group_name:
+            # Find named StructureItemGroup
+            target_el = None
+            for item in settings.iter(f"{{{SET_NS}}}item"):
+                xsi_type = item.get(f"{{{XSI_NS}}}type", "")
+                if "StructureItemGroup" in xsi_type:
+                    name_el = item.find(f"{{{SET_NS}}}name")
+                    if name_el is not None and name_el.text == group_name:
+                        target_el = item
+                        break
+            if target_el is None:
+                print(f'[WARN] StructureItemGroup "{group_name}" not found -- adding to variant level')
+                target_el = settings
+        else:
+            target_el = settings
+
+        selection = ensure_settings_child(target_el, "selection", [])
         sel_indent = get_container_child_indent(selection)
         sel_xml = build_selection_item_fragment(field_name, sel_indent)
         sel_nodes = import_fragment(xml_doc, sel_xml)
         for node in sel_nodes:
             insert_before_element(selection, node, None, sel_indent)
-        print(f'[OK] Selection "{field_name}" added to variant "{var_name}"')
+        target = f'group "{group_name}"' if group_name else f'variant "{var_name}"'
+        print(f'[OK] Selection "{field_name}" added to {target}')
 
 elif operation == "set-query":
     ds_node = resolve_data_set()