Fix Telegram bot responses: replace file_get_contents with Http client

apiCall() and downloadTelegramFile() were using file_get_contents() for
outgoing requests to api.telegram.org, which fails on restricted servers.
Now use Http:: (Guzzle) consistently, matching the rest of the project.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Services/TelegramBotService.php

@@ -1108,18 +1108,15 @@ class TelegramBotService
             return false;
         }
 
-        $url = "https://api.telegram.org/bot{$token}/{$method}";
+        try {
-        $ctx = stream_context_create([
+            $response = Http::timeout(10)
-            'http' => [
+                ->post("https://api.telegram.org/bot{$token}/{$method}", $data);
-                'method'  => 'POST',
-                'header'  => "Content-Type: application/json\r\n",
-                'content' => json_encode($data),
-                'timeout' => 10,
-            ],
-        ]);
 
-        $result = @file_get_contents($url, false, $ctx);
+            return $response->successful();
-        return $result !== false;
+        } catch (\Throwable $e) {
+            Log::warning("[TelegramBot] apiCall {$method} failed: " . $e->getMessage());
+            return false;
+        }
     }
 
     private function downloadTelegramFile(string $fileId): ?array
@@ -1129,17 +1126,14 @@ class TelegramBotService
             return null;
         }
 
-        $info = @file_get_contents("https://api.telegram.org/bot{$token}/getFile?file_id={$fileId}");
+        try {
-        if (! $info) {
+            $info     = Http::timeout(10)->get("https://api.telegram.org/bot{$token}/getFile", ['file_id' => $fileId]);
-            return null;
+            $filePath = $info->json('result.file_path');
-        }
-
-        $filePath = json_decode($info, true)['result']['file_path'] ?? null;
             if (! $filePath) {
                 return null;
             }
 
-        $content = @file_get_contents("https://api.telegram.org/file/bot{$token}/{$filePath}");
+            $content = Http::timeout(30)->get("https://api.telegram.org/file/bot{$token}/{$filePath}")->body();
             if (! $content) {
                 return null;
             }
@@ -1152,6 +1146,11 @@ class TelegramBotService
             };
 
             return ['content' => $content, 'mime' => $mime];
+
+        } catch (\Throwable $e) {
+            Log::warning('[TelegramBot] downloadTelegramFile failed: ' . $e->getMessage());
+            return null;
+        }
     }
 
     // ─── Helpers ──────────────────────────────────────────────