From 93fc29f742e2179b24b5aa03987009ffc74a57ad Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 24 Feb 2026 10:18:39 +0000
Subject: [PATCH 1/3] Initial plan


From f19a39098a59bdf1c0b528d3eb3d8c99e950a31f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 24 Feb 2026 10:28:07 +0000
Subject: [PATCH 2/3] Add deleting model event to ComponentGroup to detach
 components on deletion

Co-authored-by: jbrooksuk <246103+jbrooksuk@users.noreply.github.com>
---
 src/Models/ComponentGroup.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Models/ComponentGroup.php b/src/Models/ComponentGroup.php
index 3a72da1a..92ef0a06 100644
--- a/src/Models/ComponentGroup.php
+++ b/src/Models/ComponentGroup.php
@@ -47,6 +47,13 @@ class ComponentGroup extends Model
         'visible',
     ];
 
+    protected static function booted(): void
+    {
+        static::deleting(function (ComponentGroup $componentGroup): void {
+            $componentGroup->components()->update(['component_group_id' => null]);
+        });
+    }
+
     /**
      * Get the components in the group.
      *

From c431a706e026e8a893af634f743c33ea1c053bd0 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 24 Feb 2026 11:49:56 +0000
Subject: [PATCH 3/3] Add model-level tests for component detachment on group
 deletion

Co-authored-by: jbrooksuk <246103+jbrooksuk@users.noreply.github.com>
---
 tests/Unit/Models/ComponentGroupTest.php | 25 ++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tests/Unit/Models/ComponentGroupTest.php b/tests/Unit/Models/ComponentGroupTest.php
index df603bb4..5a34891b 100644
--- a/tests/Unit/Models/ComponentGroupTest.php
+++ b/tests/Unit/Models/ComponentGroupTest.php
@@ -157,3 +157,28 @@
     // Should be expanded
     expect($group->fresh()->isExpanded())->toBeTrue();
 });
+
+it('resets component_group_id on components when the group is deleted', function () {
+    $group = ComponentGroup::factory()->hasComponents(2)->create();
+    $componentIds = $group->components->pluck('id');
+
+    $group->delete();
+
+    foreach ($componentIds as $id) {
+        $this->assertDatabaseHas('components', [
+            'id' => $id,
+            'component_group_id' => null,
+        ]);
+    }
+});
+
+it('does not delete components when the group is deleted', function () {
+    $group = ComponentGroup::factory()->hasComponents(2)->create();
+    $componentIds = $group->components->pluck('id');
+
+    $group->delete();
+
+    foreach ($componentIds as $id) {
+        $this->assertDatabaseHas('components', ['id' => $id]);
+    }
+});