feat: max-bot-test initial — full surface coverage

- Slim 4 PSR-15 webhook, PHP-DI 7, Symfony Console 8
- 13 update handlers, 30+ command scenarios, all 7 button types
- Composer pulls pkirillw/max-bot-api-php from GitHub vcs
- Multi-stage Dockerfile (php-fpm 8.4-alpine) + nginx
- docker-compose.yml targets server (npm_default external)
- docker-compose.override.yml for local dev (gitignored)
- .gitea/workflows/deploy.yml mirrors ghost-blog-bot pattern

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/Handler/Update/BotStopedFromChatHandler.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Handler\Update;
+
+use App\Handler\AbstractUpdateHandler;
+use Pkirillw\MaxBotApi\Api;
+use Pkirillw\MaxBotApi\Scheme\Update\BotStopedFromChatUpdate;
+use Pkirillw\MaxBotApi\Scheme\Update\UpdateInterface;
+use Psr\Log\LoggerInterface;
+
+final class BotStopedFromChatHandler extends AbstractUpdateHandler
+{
+    public function updateClass(): string { return \Pkirillw\MaxBotApi\Scheme\Update\BotStopedFromChatUpdate::class; }
+
+    public function handle(UpdateInterface $update): void
+    {
+        if (!$update instanceof BotStopedFromChatUpdate) {
+            return;
+        }
+        $this->logger->info('bot stopped (blocked) by user', [
+            'chat_id' => $update->chatId,
+            'user_id' => $update->user->userId,
+        ]);
+        if ($this->api->debugs->getChatId() !== null) {
+            $this->api->debugs->sendText(sprintf('user %d stopped the bot', $update->user->userId));
+        }
+    }
+}