Use directory copy instead of rename in integration tests

- Replace rename() with copyDirectory() + remove
- Fixes cross-filesystem rename failures
- Rename fails when /tmp and workspace root are on different mounts

Co-authored-by: Manuel Kießling <manuel@kiessling.net>

Author: cursoragent

tests/Integration/WorkspaceMgmt/WorkspaceGitServiceTest.php

@@ -168,11 +168,9 @@ private function createTestWorkspace(): Workspace
             $this->removeDirectory($targetPath);
         }
 
-        $renameResult = rename($this->testRepoPath, $targetPath);
-        if (!$renameResult) {
-            throw new \RuntimeException('Failed to rename ' . $this->testRepoPath . ' to ' . $targetPath);
-        }
-
+        // Copy instead of rename (rename may fail across filesystems)
+        $this->copyDirectory($this->testRepoPath, $targetPath);
+        $this->removeDirectory($this->testRepoPath);
         $this->testRepoPath = $targetPath;
 
         return $workspace;
@@ -186,6 +184,37 @@ private function runGitCommand(string $command): void
         $process->mustRun();
     }
 
+    private function copyDirectory(string $source, string $target): void
+    {
+        if (!is_dir($source)) {
+            throw new \RuntimeException('Source directory does not exist: ' . $source);
+        }
+
+        if (!is_dir($target)) {
+            mkdir($target, 0777, true);
+        }
+
+        $items = scandir($source);
+        if ($items === false) {
+            throw new \RuntimeException('Failed to scan source directory: ' . $source);
+        }
+
+        foreach ($items as $item) {
+            if ($item === '.' || $item === '..') {
+                continue;
+            }
+
+            $sourcePath = $source . '/' . $item;
+            $targetPath = $target . '/' . $item;
+
+            if (is_dir($sourcePath)) {
+                $this->copyDirectory($sourcePath, $targetPath);
+            } else {
+                copy($sourcePath, $targetPath);
+            }
+        }
+    }
+
     private function removeDirectory(string $path): void
     {
         if (!is_dir($path)) {

tests/Integration/WorkspaceMgmt/WorkspaceMgmtFacadeGitInfoTest.php

@@ -225,11 +225,9 @@ private function createTestWorkspace(): Workspace
             $this->removeDirectory($targetPath);
         }
 
-        $renameResult = rename($this->testRepoPath, $targetPath);
-        if (!$renameResult) {
-            throw new \RuntimeException('Failed to rename ' . $this->testRepoPath . ' to ' . $targetPath);
-        }
-
+        // Copy instead of rename (rename may fail across filesystems)
+        $this->copyDirectory($this->testRepoPath, $targetPath);
+        $this->removeDirectory($this->testRepoPath);
         $this->testRepoPath = $targetPath;
 
         return $workspace;
@@ -243,6 +241,37 @@ private function runGitCommand(string $command): void
         $process->mustRun();
     }
 
+    private function copyDirectory(string $source, string $target): void
+    {
+        if (!is_dir($source)) {
+            throw new \RuntimeException('Source directory does not exist: ' . $source);
+        }
+
+        if (!is_dir($target)) {
+            mkdir($target, 0777, true);
+        }
+
+        $items = scandir($source);
+        if ($items === false) {
+            throw new \RuntimeException('Failed to scan source directory: ' . $source);
+        }
+
+        foreach ($items as $item) {
+            if ($item === '.' || $item === '..') {
+                continue;
+            }
+
+            $sourcePath = $source . '/' . $item;
+            $targetPath = $target . '/' . $item;
+
+            if (is_dir($sourcePath)) {
+                $this->copyDirectory($sourcePath, $targetPath);
+            } else {
+                copy($sourcePath, $targetPath);
+            }
+        }
+    }
+
     private function removeDirectory(string $path): void
     {
         if (!is_dir($path)) {