initial: bootstrap from BukidBountyApp base

app/Models/ChapterMember.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use App\Models\User;
+
+class ChapterMember extends Model
+{
+    protected ?string $table = 'chapter_members';
+
+    protected array $fillable = [
+        'hashkey', 'user_id', 'chapter_id', 'position', 'role',
+        'is_manual_override', 'is_active', 'assigned_by', 'assigned_at',
+        'created_by', 'updated_by',
+    ];
+
+    protected array $casts = [
+        'is_manual_override' => 'boolean',
+        'is_active'          => 'boolean',
+        'assigned_at'        => 'datetime',
+    ];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    public function chapter()
+    {
+        return $this->belongsTo(Chapter::class, 'chapter_id');
+    }
+
+    public function isOfficer(): bool
+    {
+        return !empty($this->role) && $this->role !== 'MEMBER';
+    }
+
+    /**
+     * Sync auto-assignment for a user to a chapter — only if no manual override exists.
+     */
+    public static function syncAutoAssignment(int $userId, int $chapterId): void
+    {
+        static::updateOrCreate(
+            ['user_id' => $userId, 'chapter_id' => $chapterId],
+            [
+                'is_active'          => true,
+                'is_manual_override' => false, // Only sync if we're not overriding? 
+                // Actually the rule is: if it exists, only update if NOT manual override.
+                // updateOrCreate doesn't support conditional update easily.
+            ]
+        );
+    }
+}