fix: harden repository refresh and server pull

tests/repository-service.test.mjs

@@ -143,6 +143,47 @@ test('refresh remains local-only without configured Gitea credentials', async ()
   assert.deepEqual(await instance.refresh(), []);
 });
 
+test('refresh uses last-known Gitea repositories after a transient remote failure', async () => {
+  const warnings = [];
+  let remoteAvailable = true;
+  const store = {
+    data: {
+      gitea: { baseUrl: 'https://gitea.example' }, workspaceRoots: [], repositoryMappings: {},
+      preferences: { preferredCloneProtocol: 'ssh' }, favorites: []
+    },
+    getToken: () => 'token', getDeploymentProfiles: () => [], getDeploymentState: () => null
+  };
+  const instance = new RepositoryService(store, {}, {
+    listRepositories: async () => {
+      if (!remoteAvailable) throw new Error('Gitea timed out');
+      return [remote];
+    }
+  }, { debug: async () => {}, warning: async (...args) => warnings.push(args) });
+  instance.discoverAll = async () => [];
+
+  const fresh = await instance.refresh();
+  remoteAvailable = false;
+  const degraded = await instance.refresh();
+
+  assert.equal(fresh[0].remoteStale, false);
+  assert.equal(degraded[0].fullName, remote.full_name);
+  assert.equal(degraded[0].remoteStale, true);
+  assert.equal(degraded[0].remoteRefreshError, 'Gitea timed out');
+  assert.ok(degraded[0].remoteLastRefreshedAt);
+  assert.equal(warnings[0][0], 'repositories.remote-refresh.degraded');
+});
+
+test('initial Gitea failure remains visible when no safe cache exists', async () => {
+  const store = {
+    data: { gitea: { baseUrl: 'https://gitea.example' } },
+    getToken: () => 'token'
+  };
+  const instance = new RepositoryService(store, {}, {
+    listRepositories: async () => { throw new Error('Gitea unavailable'); }
+  });
+  await assert.rejects(() => instance.refresh(), /Gitea unavailable/);
+});
+
 test('decoration reports conflicts, behind branches, errors and remote-only repositories', () => {
   const instance = service();
   const conflicted = instance.decorate(remote, { localPath: 'repo', status: { ...status(), counts: { changed: 1, conflicts: 2 }, branch: { ...status().branch, behind: 3 } } }, []);