feat(web): panneau Fichiers — navigation projet + téléchargements fichier/dossier ZIP — #211

frontend/src/plugins/runtime/services.test.ts

@@ -65,6 +65,9 @@ function gateways(overrides: {
     closeProject: vi.fn(),
     readProjectContext: vi.fn(async () => "project context"),
     updateProjectContext: vi.fn(),
+    listProjectFiles: vi.fn(async (_projectId, path) => ({ path, entries: [] })),
+    downloadProjectFile: vi.fn(),
+    downloadProjectDirectory: vi.fn(),
     ...overrides.project,
   };
   const workState: WorkStateGateway = {