fix(paths): normalize relative paths to posix (#239)

Co-authored-by: danielfrey63 <daniel.frey@sbb.ch>
Co-authored-by: Andy <119136210+AndyMik90@users.noreply.github.com>

apps/backend/merge/file_evolution/storage.py

@@ -180,8 +180,8 @@ class EvolutionStorage:
             try:
                 # Resolve both paths to handle symlinks (e.g., /var -> /private/var on macOS)
                 resolved_path = path.resolve()
-                return str(resolved_path.relative_to(self.project_dir))
+                return resolved_path.relative_to(self.project_dir).as_posix()
             except ValueError:
                 # Path is not under project_dir, return as-is
-                return str(path)
-        return str(path)
+                return path.as_posix()
+        return path.as_posix()

apps/backend/services/orchestrator.py

@@ -221,7 +221,7 @@ class ServiceOrchestrator:
                         self._services.append(
                             ServiceConfig(
                                 name=item.name,
-                                path=str(item.relative_to(self.project_dir)),
+                                path=item.relative_to(self.project_dir).as_posix(),
                                 type="local",
                             )
                         )