feat(security): add editable cloud credential pages

Add dedicated show/edit pages for cloud provider tokens and cloud-init
scripts, including descriptions and UUID routes.

Generate private keys directly from the index and surface cloud provider
API loading errors in server creation flows.

database/migrations/2026_07_08_102340_add_description_to_cloud_provider_tokens_table.php

@@ -0,0 +1,28 @@
+<?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('cloud_provider_tokens', function (Blueprint $table) {
+            $table->text('description')->nullable()->after('name');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('cloud_provider_tokens', function (Blueprint $table) {
+            $table->dropColumn('description');
+        });
+    }
+};

database/migrations/2026_07_08_105014_add_uuid_to_cloud_init_scripts_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('cloud_init_scripts', function (Blueprint $table) {
+            $table->string('uuid')->nullable()->unique()->after('id');
+        });
+
+        DB::table('cloud_init_scripts')
+            ->whereNull('uuid')
+            ->orderBy('id')
+            ->each(function (object $script): void {
+                DB::table('cloud_init_scripts')
+                    ->where('id', $script->id)
+                    ->update(['uuid' => new_public_id()]);
+            });
+    }
+
+    public function down(): void
+    {
+        Schema::table('cloud_init_scripts', function (Blueprint $table) {
+            $table->dropUnique(['uuid']);
+            $table->dropColumn('uuid');
+        });
+    }
+};