Add term_group to default fields in Term_Command

Co-authored-by: swissspidy <841956+swissspidy@users.noreply.github.com>

Author: Copilot

features/term.feature

@@ -280,3 +280,21 @@ Feature: Manage WordPress terms
       """
       Success: Term updated.
       """
+
+  Scenario: Term list includes term_group field
+    When I run `wp term create category 'Group Test' --slug=group-test --description='Test term_group field'`
+    Then STDOUT should not be empty
+
+    When I run `wp term list category --format=csv --fields=name,term_group`
+    Then STDOUT should contain:
+      """
+      term_group
+      """
+
+    When I run `wp term list category --format=json`
+    Then STDOUT should be JSON containing:
+      """
+      [{
+        "term_group":0
+      }]
+      """

src/Term_Command.php

@@ -47,6 +47,7 @@ class Term_Command extends WP_CLI_Command {
 		'description',
 		'parent',
 		'count',
+		'term_group',
 	];
 
 	/**
@@ -90,6 +91,7 @@ class Term_Command extends WP_CLI_Command {
 	 * * description
 	 * * parent
 	 * * count
+	 * * term_group
 	 *
 	 * These fields are optionally available:
 	 *
@@ -99,11 +101,11 @@ class Term_Command extends WP_CLI_Command {
 	 *
 	 *     # List post categories
 	 *     $ wp term list category --format=csv
-	 *     term_id,term_taxonomy_id,name,slug,description,parent,count
-	 *     2,2,aciform,aciform,,0,1
-	 *     3,3,antiquarianism,antiquarianism,,0,1
-	 *     4,4,arrangement,arrangement,,0,1
-	 *     5,5,asmodeus,asmodeus,,0,1
+	 *     term_id,term_taxonomy_id,name,slug,description,parent,count,term_group
+	 *     2,2,aciform,aciform,,0,1,0
+	 *     3,3,antiquarianism,antiquarianism,,0,1,0
+	 *     4,4,arrangement,arrangement,,0,1,0
+	 *     5,5,asmodeus,asmodeus,,0,1,0
 	 *
 	 *     # List post tags
 	 *     $ wp term list post_tag --fields=name,slug