diff --git a/lib/Enterprise/GitHubAdapter.php b/lib/Enterprise/GitHubAdapter.php
index ef7c38c..efddeb4 100644
--- a/lib/Enterprise/GitHubAdapter.php
+++ b/lib/Enterprise/GitHubAdapter.php
@@ -405,7 +405,7 @@ class GitHubAdapter implements GitPlatformAdapter
             $page++;
         }
 
-        return $all;
+        return array_values($all);
     }
 
     // ──────────────────────────────────────────────
diff --git a/lib/Enterprise/GitPlatformAdapter.php b/lib/Enterprise/GitPlatformAdapter.php
index 9a7d420..e25b80d 100644
--- a/lib/Enterprise/GitPlatformAdapter.php
+++ b/lib/Enterprise/GitPlatformAdapter.php
@@ -175,7 +175,7 @@ interface GitPlatformAdapter
     /**
      * List all branches in a repository.
      *
-     * @return array<int, array<string, mixed>>
+     * @return array<mixed>
      */
     public function listBranches(string $org, string $repo): array;
 
@@ -258,7 +258,7 @@ interface GitPlatformAdapter
      * @param string $org Organization name
      * @param string $repo Repository name
      * @param array<string, mixed> $filters Filters (state, head, base, sort, direction)
-     * @return array<int, array<string, mixed>> Pull request list
+     * @return array<mixed> Pull request list
      */
     public function listPullRequests(string $org, string $repo, array $filters = []): array;
 
@@ -305,7 +305,7 @@ interface GitPlatformAdapter
      * @param string $org Organization name
      * @param string $repo Repository name
      * @param array<string, mixed> $filters Filters (state, labels, assignee, etc.)
-     * @return array<int, array<string, mixed>> Issue list
+     * @return array<mixed> Issue list
      */
     public function listIssues(string $org, string $repo, array $filters = []): array;
 
@@ -357,7 +357,7 @@ interface GitPlatformAdapter
      *
      * @param string $org Organization name
      * @param string $repo Repository name
-     * @return array<int, array{name: string, color: string, description: string}> Label list
+     * @return array<mixed> Label list
      */
     public function listLabels(string $org, string $repo): array;
 
@@ -406,7 +406,7 @@ interface GitPlatformAdapter
      *
      * @param string $org Organization name
      * @param string $repo Repository name
-     * @return array<int, array<string, mixed>> Protection rules
+     * @return array<mixed> Protection rules
      */
     public function listBranchProtections(string $org, string $repo): array;
 
@@ -445,7 +445,7 @@ interface GitPlatformAdapter
      * @param string $endpoint API endpoint path
      * @param array<string, mixed> $params Query parameters
      * @param int $perPage Items per page (platform default if 0)
-     * @return array<int, array<string, mixed>> All items across all pages
+     * @return array<mixed> All items across all pages
      */
     public function paginateAll(string $endpoint, array $params = [], int $perPage = 100): array;
 
diff --git a/lib/Enterprise/MokoGiteaAdapter.php b/lib/Enterprise/MokoGiteaAdapter.php
index be4c1cd..9cc014d 100644
--- a/lib/Enterprise/MokoGiteaAdapter.php
+++ b/lib/Enterprise/MokoGiteaAdapter.php
@@ -468,7 +468,7 @@ class MokoGiteaAdapter implements GitPlatformAdapter
             $page++;
         }
 
-        return $all;
+        return array_values($all);
     }
 
     // ──────────────────────────────────────────────
diff --git a/phpstan.neon b/phpstan.neon
index b5dcc07..756a2f7 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -6,7 +6,7 @@
 
 # PHPStan configuration for moko-platform projects
 parameters:
-    level: 2
+    level: 3
     paths:
         - lib
         - validate
diff --git a/validate/check_file_integrity.php b/validate/check_file_integrity.php
index 91e53e9..41b5b1e 100644
--- a/validate/check_file_integrity.php
+++ b/validate/check_file_integrity.php
@@ -25,7 +25,7 @@ final class CheckFileIntegrity
     private bool $verbose = false;
     private bool $jsonOutput = false;
 
-    /** @var array{host: string, port: int, user: string, identity: string} */
+    /** @var array<string, mixed> */
     private array $sftpConfig = [];
 
     public function run(): int