From 42f6178b6d3bbf8b5622f6878dc6d34c9f331e0d Mon Sep 17 00:00:00 2001
From: Codex Agent <codex-agent@example.com>
Date: Mon, 19 Jan 2026 21:33:38 +0100
Subject: [PATCH] Fix task collection attach relation

---
 .../RelationManagers/TasksRelationManager.php |  2 ++
 app/Models/Task.php                           | 10 ++++++++++
 tests/Unit/TaskCollectionsRelationTest.php    | 19 +++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 tests/Unit/TaskCollectionsRelationTest.php

diff --git a/app/Filament/Clusters/WeeklyOps/Resources/TaskCollections/RelationManagers/TasksRelationManager.php b/app/Filament/Clusters/WeeklyOps/Resources/TaskCollections/RelationManagers/TasksRelationManager.php
index 8ecd6a2..42722f5 100644
--- a/app/Filament/Clusters/WeeklyOps/Resources/TaskCollections/RelationManagers/TasksRelationManager.php
+++ b/app/Filament/Clusters/WeeklyOps/Resources/TaskCollections/RelationManagers/TasksRelationManager.php
@@ -19,6 +19,8 @@ class TasksRelationManager extends RelationManager
 {
     protected static string $relationship = 'tasks';
 
+    protected static ?string $inverseRelationship = 'taskCollections';
+
     public function table(Table $table): Table
     {
         return $table
diff --git a/app/Models/Task.php b/app/Models/Task.php
index dbd0194..64877f7 100644
--- a/app/Models/Task.php
+++ b/app/Models/Task.php
@@ -44,6 +44,16 @@ class Task extends Model
         return $this->belongsTo(TaskCollection::class, 'collection_id');
     }
 
+    public function taskCollections(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            TaskCollection::class,
+            'task_collection_task',
+            'task_id',
+            'task_collection_id'
+        )->withPivot(['sort_order']);
+    }
+
     public function tenant(): BelongsTo
     {
         return $this->belongsTo(Tenant::class);
diff --git a/tests/Unit/TaskCollectionsRelationTest.php b/tests/Unit/TaskCollectionsRelationTest.php
new file mode 100644
index 0000000..92f4d2c
--- /dev/null
+++ b/tests/Unit/TaskCollectionsRelationTest.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Models\Task;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Tests\TestCase;
+
+class TaskCollectionsRelationTest extends TestCase
+{
+    public function test_task_has_task_collections_relation(): void
+    {
+        $task = new Task;
+        $relation = $task->taskCollections();
+
+        $this->assertInstanceOf(BelongsToMany::class, $relation);
+        $this->assertSame(['sort_order'], $relation->getPivotColumns());
+    }
+}