feat: note

database/migrations/2026_09_08_000010_notes_content_hash.php

@@ -0,0 +1,24 @@
+<?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::table('notes', function (Blueprint $table) {
+            $table->string('content_hash', 64)->nullable()->after('content');
+            $table->index(['device_id', 'content_hash']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('notes', function (Blueprint $table) {
+            $table->dropIndex(['device_id', 'content_hash']);
+            $table->dropColumn('content_hash');
+        });
+    }
+};

database/migrations/2026_09_08_000020_devices_country.php

@@ -0,0 +1,22 @@
+<?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::table('devices', function (Blueprint $table) {
+            $table->char('country', 2)->nullable()->after('ip');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('devices', function (Blueprint $table) {
+            $table->dropColumn('country');
+        });
+    }
+};