Implement tenant announcements and audit log fixes

database/migrations/2026_01_02_122155_create_tenant_announcements_table.php

@@ -0,0 +1,42 @@
+<?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::create('tenant_announcements', function (Blueprint $table) {
+            $table->id();
+            $table->string('title', 160);
+            $table->text('body');
+            $table->string('cta_label', 160)->nullable();
+            $table->string('cta_url', 255)->nullable();
+            $table->string('status', 24)->default('draft');
+            $table->string('audience', 24)->default('all');
+            $table->json('segments')->nullable();
+            $table->boolean('email_enabled')->default(true);
+            $table->timestamp('starts_at')->nullable();
+            $table->timestamp('ends_at')->nullable();
+            $table->foreignIdFor(\App\Models\User::class, 'created_by')->nullable()->constrained('users')->nullOnDelete();
+            $table->foreignIdFor(\App\Models\User::class, 'updated_by')->nullable()->constrained('users')->nullOnDelete();
+            $table->timestamps();
+
+            $table->index(['status', 'starts_at']);
+            $table->index(['audience', 'status']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_announcements');
+    }
+};

database/migrations/2026_01_02_122257_create_tenant_announcement_deliveries_table.php

@@ -0,0 +1,36 @@
+<?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::create('tenant_announcement_deliveries', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_announcement_id')->constrained('tenant_announcements')->cascadeOnDelete();
+            $table->foreignId('tenant_id')->constrained('tenants')->cascadeOnDelete();
+            $table->string('channel', 24)->default('mail');
+            $table->string('status', 24)->default('queued');
+            $table->timestamp('sent_at')->nullable();
+            $table->timestamp('failed_at')->nullable();
+            $table->string('failure_reason', 255)->nullable();
+            $table->timestamps();
+
+            $table->unique(['tenant_announcement_id', 'tenant_id', 'channel'], 'tenant_announcement_delivery_unique');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_announcement_deliveries');
+    }
+};

database/migrations/2026_01_02_122330_create_tenant_announcement_targets_table.php

@@ -0,0 +1,31 @@
+<?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::create('tenant_announcement_targets', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_announcement_id')->constrained('tenant_announcements')->cascadeOnDelete();
+            $table->foreignId('tenant_id')->constrained('tenants')->cascadeOnDelete();
+            $table->timestamps();
+
+            $table->unique(['tenant_announcement_id', 'tenant_id'], 'tenant_announcement_target_unique');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_announcement_targets');
+    }
+};