updated with suggestions

Author: Your Name

src/VCS/Adapter/Git/Gitea.php

@@ -533,7 +533,7 @@ public function getUser(string $username): array
 
     public function getOwnerName(string $installationId, ?int $repositoryId = null): string
     {
-        if ($repositoryId === null) {
+        if ($repositoryId === null || $repositoryId <= 0) {
             throw new Exception("repositoryId is required for Gitea");
         }
 
@@ -555,11 +555,11 @@ public function getOwnerName(string $installationId, ?int $repositoryId = null):
         $responseBody = $response['body'] ?? [];
         $owner = $responseBody['owner'] ?? [];
 
-        if (!array_key_exists('login', $owner)) {
-            throw new Exception("Owner login missing in response");
+        if (empty($owner['login'])) {
+            throw new Exception("Owner login missing or empty in response");
         }
 
-        return $owner['login'] ?? '';
+        return $owner['login'];
     }
 
     public function getPullRequest(string $owner, string $repositoryName, int $pullRequestNumber): array

tests/VCS/Adapter/GiteaTest.php

@@ -725,16 +725,26 @@ public function testGetOwnerName(): void
         $repositoryName = 'test-get-owner-name-' . \uniqid();
         $created = $this->vcsAdapter->createRepository(self::$owner, $repositoryName, false);
 
-        $this->assertIsArray($created);
-        $this->assertArrayHasKey('id', $created);
-        $this->assertIsScalar($created['id']);
-        $repositoryId = (int) $created['id'];
+        try {
+            $this->assertIsArray($created);
+            $this->assertArrayHasKey('id', $created);
+            $this->assertIsScalar($created['id']);
+            $repositoryId = (int) $created['id'];
 
-        $ownerName = $this->vcsAdapter->getOwnerName('', $repositoryId);
+            $ownerName = $this->vcsAdapter->getOwnerName('', $repositoryId);
 
-        $this->assertSame(self::$owner, $ownerName);
+            $this->assertSame(self::$owner, $ownerName);
+        } finally {
+            $this->vcsAdapter->deleteRepository(self::$owner, $repositoryName);
+        }
+    }
 
-        $this->vcsAdapter->deleteRepository(self::$owner, $repositoryName);
+    public function testGetOwnerNameWithZeroRepositoryId(): void
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('repositoryId is required for Gitea');
+
+        $this->vcsAdapter->getOwnerName('', 0);
     }
 
     public function testGetOwnerNameWithoutRepositoryId(): void