fix phpstan errors

Signed-off-by: Pushpak Chhajed <[email protected]>

Author: pushpak1300

src/Install/Mcp/FileWriter.php

@@ -347,7 +347,7 @@ protected function hasUnquotedComments(string $content): bool
         if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 // If group 2 is set, we found a // comment outside strings
-                if (isset($match[2]) && ($match[2] !== '' && $match[2] !== '0')) {
+                if (isset($match[2])) {
                     return true;
                 }
             }

src/Mcp/ToolExecutor.php

@@ -85,7 +85,7 @@ protected function reconstructResponse(array $data): Response
         if ($data['isError']) {
             $errorText = 'Unknown error';
 
-            if (is_array($data['content']) && (isset($data['content']) && $data['content'] !== [])) {
+            if (is_array($data['content']) && $data['content'] !== []) {
                 $firstContent = $data['content'][0] ?? [];
                 if (is_array($firstContent)) {
                     $errorText = $firstContent['text'] ?? $errorText;
@@ -96,7 +96,7 @@ protected function reconstructResponse(array $data): Response
         }
 
         // Handle array format - extract text content
-        if (is_array($data['content']) && (isset($data['content']) && $data['content'] !== [])) {
+        if (is_array($data['content']) && $data['content'] !== []) {
             $firstContent = $data['content'][0] ?? [];
 
             if (is_array($firstContent)) {

src/Mcp/Tools/DatabaseQuery.php

@@ -43,7 +43,7 @@ public function handle(Request $request): Response
     {
         $query = trim((string) $request->string('query'));
         $token = strtok(ltrim($query), " \t\n\r");
-        if ($token === '' || $token === '0' || $token === false) {
+        if ($token === false) {
             return Response::error('Please pass a valid query');
         }