feat: add AnggotaKeluarga, RiwayatBantuan, PermohonanTransfer models and migrations

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Models/PermohonanTransfer.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class PermohonanTransfer extends Model
+{
+    protected $table    = 'permohonan_transfer';
+    protected $fillable = [
+        'dari_ibadah_id', 'ke_ibadah_id', 'id_rumah',
+        'alasan', 'status', 'catatan_respons',
+        'diajukan_oleh', 'diproses_oleh',
+    ];
+
+    public function dariIbadah()  { return $this->belongsTo(RumahIbadah::class, 'dari_ibadah_id'); }
+    public function keIbadah()    { return $this->belongsTo(RumahIbadah::class, 'ke_ibadah_id'); }
+    public function rumahMiskin() { return $this->belongsTo(RumahMiskin::class, 'id_rumah', 'id_rumah'); }
+    public function pengaju()     { return $this->belongsTo(User::class, 'diajukan_oleh'); }
+    public function pemroses()    { return $this->belongsTo(User::class, 'diproses_oleh'); }
+}