refactor: consolidate issuer_name into master migration (Clean Slate Principle)

database/migrations/2025_12_23_123913_create_ca_certificates_table.php

@@ -31,6 +31,7 @@ return new class extends Migration
                 
                 $table->string('common_name')->nullable();
                 $table->string('organization')->nullable();
+                $table->string('issuer_name')->nullable();
                 $table->dateTime('valid_from')->nullable();
                 $table->dateTime('valid_to')->nullable();
                 
@@ -62,6 +63,9 @@ return new class extends Migration
                 if (!Schema::connection('mysql_ca')->hasColumn('ca_certificates', 'is_latest')) {
                     $table->boolean('is_latest')->default(false)->after('last_synced_at');
                 }
+                if (!Schema::connection('mysql_ca')->hasColumn('ca_certificates', 'issuer_name')) {
+                    $table->string('issuer_name')->nullable()->after('organization');
+                }
             });
         }
     }

database/migrations/2026_01_07_092931_add_issuer_name_to_ca_certificates.php

@@ -1,28 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::connection('mysql_ca')->table('ca_certificates', function (Blueprint $table) {
-            $table->string('issuer_name')->nullable()->after('organization');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::connection('mysql_ca')->table('ca_certificates', function (Blueprint $table) {
-            $table->dropColumn('issuer_name');
-        });
-    }
-};