fixed notification system and added a new tenant notifications receipt table to track read status and filter messages by scope.

database/migrations/2025_03_01_000000_create_tenant_notification_receipts_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('tenant_notification_receipts', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id');
+            $table->unsignedBigInteger('notification_log_id');
+            $table->unsignedBigInteger('user_id')->nullable();
+            $table->string('recipient')->nullable();
+            $table->enum('status', ['delivered', 'read', 'dismissed'])->default('delivered');
+            $table->timestamps();
+
+            $table->index(['tenant_id', 'notification_log_id']);
+            $table->index(['tenant_id', 'user_id']);
+            $table->index(['tenant_id', 'status']);
+            $table->foreign('tenant_id')->references('id')->on('tenants')->cascadeOnDelete();
+            $table->foreign('notification_log_id')->references('id')->on('tenant_notification_logs')->cascadeOnDelete();
+            $table->foreign('user_id')->references('id')->on('users')->nullOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_notification_receipts');
+    }
+};