Update admin dashboard

database/migrations/2026_04_27_000000_add_is_permanent_to_user_activities.php

@@ -0,0 +1,70 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Add a dedicated boolean column for "permanent" deletions on user_activities,
+ * so the admin dashboard no longer needs whereJsonContains() (which can't use
+ * a regular index) to count permanently-deleted users.
+ */
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (! Schema::hasTable('user_activities')) {
+            return;
+        }
+
+        if (! Schema::hasColumn('user_activities', 'is_permanent')) {
+            Schema::table('user_activities', function (Blueprint $table): void {
+                $table->boolean('is_permanent')->default(false)->after('metadata');
+            });
+        }
+
+        if (! $this->indexExists('user_activities', 'ix_user_activities_type_permanent')) {
+            Schema::table('user_activities', function (Blueprint $table): void {
+                $table->index(['activity_type', 'is_permanent'], 'ix_user_activities_type_permanent');
+            });
+        }
+
+        // Backfill existing rows where metadata->permanent is true.
+        DB::table('user_activities')
+            ->where('activity_type', 'deleted')
+            ->whereRaw("JSON_EXTRACT(metadata, '$.permanent') = true")
+            ->update(['is_permanent' => true]);
+    }
+
+    public function down(): void
+    {
+        if (! Schema::hasTable('user_activities')) {
+            return;
+        }
+
+        if ($this->indexExists('user_activities', 'ix_user_activities_type_permanent')) {
+            Schema::table('user_activities', function (Blueprint $table): void {
+                $table->dropIndex('ix_user_activities_type_permanent');
+            });
+        }
+
+        if (Schema::hasColumn('user_activities', 'is_permanent')) {
+            Schema::table('user_activities', function (Blueprint $table): void {
+                $table->dropColumn('is_permanent');
+            });
+        }
+    }
+
+    private function indexExists(string $table, string $indexName): bool
+    {
+        try {
+            $rows = DB::select("SHOW INDEX FROM {$table} WHERE Key_name = ?", [$indexName]);
+
+            return count($rows) > 0;
+        } catch (\Throwable) {
+            return false;
+        }
+    }
+};
+