feat: harden billing verification and add browse route parity

app/database/migrations/2026_02_04_000100_create_licenses_table.php

@@ -0,0 +1,32 @@
+<?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('licenses', function (Blueprint $table): void {
+            $table->string('license_key', 191)->primary();
+            $table->string('source', 32)->nullable();
+            $table->string('plan', 32)->default('pro');
+            $table->string('status', 32)->default('active');
+            $table->string('product_id', 191)->nullable();
+            $table->string('owner_user_id', 64)->nullable()->index();
+            $table->timestamp('expires_at')->nullable();
+            $table->timestamp('last_verified_at')->nullable();
+            $table->json('meta_json')->nullable();
+            $table->timestamps();
+
+            $table->index(['status', 'expires_at']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('licenses');
+    }
+};
+

app/database/migrations/2026_02_04_000200_create_license_activations_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
+{
+    public function up(): void
+    {
+        Schema::create('license_activations', function (Blueprint $table): void {
+            $table->id();
+            $table->string('license_key', 191);
+            $table->string('user_id', 64);
+            $table->string('product', 32)->default('site');
+            $table->string('device_id', 191)->nullable();
+            $table->string('status', 32)->default('active');
+            $table->timestamps();
+
+            $table->unique(['license_key', 'product', 'device_id'], 'uniq_license_product_device');
+            $table->index(['license_key', 'product', 'status'], 'idx_license_product_status');
+            $table->index(['user_id', 'status'], 'idx_user_status');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('license_activations');
+    }
+};
+

app/database/migrations/2026_02_04_000300_create_usage_logs_table.php

@@ -0,0 +1,29 @@
+<?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('usage_logs', function (Blueprint $table): void {
+            $table->id();
+            $table->string('bucket_id', 191);
+            $table->date('date_key');
+            $table->unsignedInteger('used')->default(0);
+            $table->unsignedInteger('limit_count')->nullable();
+            $table->json('seen_signatures')->nullable();
+            $table->timestamps();
+
+            $table->unique(['bucket_id', 'date_key'], 'uniq_bucket_day');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('usage_logs');
+    }
+};
+