Add tenant lifecycle view and limit controls

database/migrations/2026_01_01_191109_create_tenant_lifecycle_events_table.php

@@ -0,0 +1,34 @@
+<?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_lifecycle_events', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('actor_id')->nullable()->constrained('users')->nullOnDelete();
+            $table->string('type');
+            $table->json('payload')->nullable();
+            $table->timestamp('occurred_at')->nullable();
+            $table->timestamps();
+
+            $table->index(['tenant_id', 'occurred_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_lifecycle_events');
+    }
+};

database/migrations/2026_01_01_191128_add_grace_period_ends_at_to_tenants_table.php

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+<?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::table('tenants', function (Blueprint $table) {
+            if (! Schema::hasColumn('tenants', 'grace_period_ends_at')) {
+                $table->timestamp('grace_period_ends_at')->nullable();
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('tenants', function (Blueprint $table) {
+            if (Schema::hasColumn('tenants', 'grace_period_ends_at')) {
+                $table->dropColumn('grace_period_ends_at');
+            }
+        });
+    }
+};