feat(server): add server metadata collection and display

Add ability to gather and display server system information including OS, architecture, kernel version, CPU count, memory, and uptime. Includes:
- New gatherServerMetadata() method to collect system details via remote commands
- New refreshServerMetadata() Livewire action with authorization and error handling
- Server Details UI section showing collected metadata with refresh capability
- Database migration to add server_metadata JSON column
- Comprehensive test suite for metadata collection and persistence

database/migrations/2026_03_11_000000_add_server_metadata_to_servers_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
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        if (! Schema::hasColumn('servers', 'server_metadata')) {
+            Schema::table('servers', function (Blueprint $table) {
+                $table->json('server_metadata')->nullable();
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        if (Schema::hasColumn('servers', 'server_metadata')) {
+            Schema::table('servers', function (Blueprint $table) {
+                $table->dropColumn('server_metadata');
+            });
+        }
+    }
+};