Add device, platform, and country analytics to link show page.

Record parsed user-agent and geo data on clicks, then surface breakdowns and richer recent-click context on per-link and account analytics views.

Co-authored-by: Cursor <cursoragent@cursor.com>

database/migrations/2026_06_27_220000_add_device_fields_to_link_clicks.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('link_clicks', function (Blueprint $table) {
+            $table->string('device_type', 16)->nullable()->after('referer');
+            $table->string('browser', 32)->nullable()->after('device_type');
+            $table->string('os', 32)->nullable()->after('browser');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('link_clicks', function (Blueprint $table) {
+            $table->dropColumn(['device_type', 'browser', 'os']);
+        });
+    }
+};