Use git init -b main in integration tests

- Update WorkspaceGitServiceTest to use git init -b main
- Update WorkspaceMgmtFacadeGitInfoTest to use git init -b main
- Ensures consistent branch naming across all tests

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

Author: cursoragent

tests/Integration/WorkspaceMgmt/WorkspaceGitServiceTest.php

@@ -53,7 +53,7 @@ protected function setUp(): void
         $this->testRepoPath = sys_get_temp_dir() . '/workspace-git-test-' . uniqid();
         mkdir($this->testRepoPath, 0777, true);
 
-        $this->runGitCommand('init');
+        $this->runGitCommand('init -b main');
         $this->runGitCommand('config user.name "Test User"');
         $this->runGitCommand('config user.email "test@example.com"');
 

tests/Integration/WorkspaceMgmt/WorkspaceMgmtFacadeGitInfoTest.php

@@ -54,7 +54,7 @@ protected function setUp(): void
         $this->testRepoPath = sys_get_temp_dir() . '/facade-git-test-' . uniqid();
         mkdir($this->testRepoPath, 0777, true);
 
-        $this->runGitCommand('init');
+        $this->runGitCommand('init -b main');
         $this->runGitCommand('config user.name "Test User"');
         $this->runGitCommand('config user.email "test@example.com"');