fix: migrate .mokostandards from .github/ to .gitea/ on Gitea

migrateMokoStandards() now checks both root and .github/.mokostandards
as sources, migrating to .gitea/.mokostandards when running on Gitea.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

lib/Enterprise/RepositorySynchronizer.php

@@ -706,20 +706,35 @@ HCL;
     }
 
     /**
-     * Migrate .mokostandards from repo root to .github/.mokostandards.
-     * Deletes the root file after copying to .github/.
+     * Migrate .mokostandards to the platform metadata dir (.gitea/ or .github/).
+     * Handles migration from root and from .github/ → .gitea/ on Gitea.
      */
     private function migrateMokoStandards(string $org, string $repo, string $branchName, array &$summary): void
     {
         $metaDir = $this->adapter->getMetadataDir();
         $targetPath = "{$metaDir}/.mokostandards";
 
-        // Check if .mokostandards exists in root
-        try {
-            $rootFile = $this->adapter->getFileContents($org, $repo, '.mokostandards', $branchName);
-        } catch (Exception $e) {
-            $this->adapter->getApiClient()->resetCircuitBreaker();
-            return; // Doesn't exist in root — nothing to migrate
+        // Sources to check, in priority order
+        $sources = ['.mokostandards'];
+        // On Gitea, also migrate from .github/.mokostandards → .gitea/.mokostandards
+        if ($metaDir === '.gitea') {
+            $sources[] = '.github/.mokostandards';
+        }
+
+        $rootFile = null;
+        $sourcePath = null;
+        foreach ($sources as $path) {
+            try {
+                $rootFile = $this->adapter->getFileContents($org, $repo, $path, $branchName);
+                $sourcePath = $path;
+                break;
+            } catch (Exception $e) {
+                $this->adapter->getApiClient()->resetCircuitBreaker();
+            }
+        }
+
+        if ($rootFile === null) {
+            return; // Nothing to migrate
         }
 
         // Check if already exists in metadata dir
@@ -750,15 +765,15 @@ HCL;
             }
         }
 
-        // Delete from root
-        if (!empty($rootSha)) {
+        // Delete old source file
+        if (!empty($rootSha) && $sourcePath !== $targetPath) {
             try {
                 $this->adapter->deleteFile(
-                    $org, $repo, '.mokostandards', $rootSha,
-                    "chore: remove .mokostandards from root (moved to {$metaDir}/)",
+                    $org, $repo, $sourcePath, $rootSha,
+                    "chore: remove {$sourcePath} (moved to {$targetPath})",
                     $branchName
                 );
-                $this->logger->logInfo("Deleted root .mokostandards");
+                $this->logger->logInfo("Deleted {$sourcePath}");
             } catch (Exception $e) {
                 $this->adapter->getApiClient()->resetCircuitBreaker();
             }