✨ feat(customer): tambah field alamat lengkap & pemrosesan CSV dinamis

- Tambah 13 field alamat KTP & domisili di tabel customers (nullable, aman untuk rollback)
- Update model Customer: fillable & casting tanggal
- ProcessCustomerDataJob: header CSV dinamis, mapping otomatis, trim value
- Batch save pakai DB::transaction(), logging detail, error handling lengkap
- Fleksibel untuk CSV dengan header bervariasi & backward-compatible

database/migrations/2025_08_06_164839_add_missing_fields_to_customers_table.php

@@ -0,0 +1,57 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     * Menambahkan field-field yang belum ada pada tabel customers
+     */
+    public function up(): void
+    {
+        Schema::table('customers', function (Blueprint $table) {
+            // Field yang belum ada berdasarkan CSV header
+            $table->string('ktp_kelurahan')->nullable()->after('local_ref')->comment('Kelurahan sesuai KTP');
+            $table->string('ktp_kecamatan')->nullable()->after('ktp_kelurahan')->comment('Kecamatan sesuai KTP');
+            $table->string('town_country')->nullable()->after('ktp_kecamatan')->comment('Kota/Negara');
+            $table->string('ktp_provinsi')->nullable()->after('town_country')->comment('Provinsi sesuai KTP');
+            $table->string('post_code')->nullable()->after('ktp_provinsi')->comment('Kode pos alternatif');
+            $table->string('l_dom_street')->nullable()->after('post_code')->comment('Alamat domisili - jalan');
+            $table->string('l_dom_rt')->nullable()->after('l_dom_street')->comment('Alamat domisili - RT');
+            $table->string('l_dom_kelurahan')->nullable()->after('l_dom_rt')->comment('Alamat domisili - kelurahan');
+            $table->string('l_dom_rw')->nullable()->after('l_dom_kelurahan')->comment('Alamat domisili - RW');
+            $table->string('l_dom_kecamatan')->nullable()->after('l_dom_rw')->comment('Alamat domisili - kecamatan');
+            $table->string('l_dom_provinsi')->nullable()->after('l_dom_kecamatan')->comment('Alamat domisili - provinsi');
+            $table->string('l_dom_t_country')->nullable()->after('l_dom_provinsi')->comment('Alamat domisili - kota/negara');
+            $table->string('l_dom_post_code')->nullable()->after('l_dom_t_country')->comment('Alamat domisili - kode pos');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * Menghapus field-field yang ditambahkan
+     */
+    public function down(): void
+    {
+        Schema::table('customers', function (Blueprint $table) {
+            $table->dropColumn([
+                'ktp_kelurahan',
+                'ktp_kecamatan',
+                'town_country',
+                'ktp_provinsi',
+                'post_code',
+                'l_dom_street',
+                'l_dom_rt',
+                'l_dom_kelurahan',
+                'l_dom_rw',
+                'l_dom_kecamatan',
+                'l_dom_provinsi',
+                'l_dom_t_country',
+                'l_dom_post_code'
+            ]);
+        });
+    }
+};