Commit workspace changes

app/Models/GroupReleaseMilestone.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class GroupReleaseMilestone extends Model
+{
+    use HasFactory;
+
+    public const STATUS_PENDING = 'pending';
+    public const STATUS_ACTIVE = 'active';
+    public const STATUS_BLOCKED = 'blocked';
+    public const STATUS_COMPLETED = 'completed';
+    public const STATUS_CANCELLED = 'cancelled';
+
+    protected $fillable = [
+        'group_release_id',
+        'title',
+        'summary',
+        'status',
+        'due_date',
+        'owner_user_id',
+        'sort_order',
+        'notes',
+    ];
+
+    protected $casts = [
+        'due_date' => 'date',
+    ];
+
+    public function release(): BelongsTo
+    {
+        return $this->belongsTo(GroupRelease::class, 'group_release_id');
+    }
+
+    public function owner(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'owner_user_id');
+    }
+}