refactor(auth): remove keys auth module and align tests

- remove server auth module and client keys page/routes/api to simplify flow

- update mcp and scenario tests to match uuid routes and step schema

client/src/App.tsx

@@ -1,6 +1,6 @@
 import { NavLink, Navigate, Route, Routes } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
-import { Globe, KeyRound, Monitor, ClipboardList, Activity, KeySquare, Braces } from 'lucide-react';
+import { Globe, Monitor, ClipboardList, Activity, KeySquare, Braces } from 'lucide-react';
 import type { LucideIcon } from 'lucide-react';
 import styles from './App.module.css';
 import { SidePanel, ThemeSwitcher } from './ui';
@@ -9,7 +9,6 @@ import { EnvironmentsPage } from './pages/environment/EnvironmentsPage';
 import { EnvironmentDetailPage } from './pages/environment/EnvironmentDetailPage';
 import { CreateEnvironmentPage } from './pages/environment/CreateEnvironmentPage';
 import { EditEnvironmentPage } from './pages/environment/EditEnvironmentPage';
-import { KeysPage } from './pages/KeysPage';
 import { SessionsPage } from './pages/session/SessionsPage';
 import { SessionDetailPage } from './pages/session/SessionDetailPage';
 import { ScenariosPage } from './pages/scenario/ScenariosPage';
@@ -34,7 +33,6 @@ const NAV: { path: string; labelKey: string; Icon: LucideIcon }[] = [
   { path: '/environments', labelKey: 'nav.environments', Icon: Globe },
   { path: '/credentials', labelKey: 'nav.credentials', Icon: KeySquare },
   { path: '/snippets', labelKey: 'nav.snippets', Icon: Braces },
-  { path: '/keys', labelKey: 'nav.keys', Icon: KeyRound },
   { path: '/sessions', labelKey: 'nav.sessions', Icon: Monitor },
   { path: '/scenarios', labelKey: 'nav.scenarios', Icon: ClipboardList },
   { path: '/runs', labelKey: 'nav.runs', Icon: Activity },
@@ -77,7 +75,6 @@ export default function App() {
           <Route path="/environments/new" element={<CreateEnvironmentPage />} />
           <Route path="/environments/:id/edit" element={<EditEnvironmentPage />} />
           <Route path="/environments/:id" element={<EnvironmentDetailPage />} />
-          <Route path="/keys" element={<KeysPage />} />
           <Route path="/sessions" element={<SessionsPage />} />
           <Route path="/sessions/:id" element={<SessionDetailPage />} />
           <Route path="/scenarios" element={<ScenariosPage />} />

client/src/api/client.ts

@@ -2,7 +2,6 @@ import type {
   PaginatedResponse,
   Credential,
   Environment,
-  KeysResponse,
   ScenarioCredential,
   Session,
   Scenario,
@@ -13,7 +12,7 @@ import type {
   Snippet,
 } from './types';
 
-// In dev, Vite proxies /environments /sessions /scenarios /keys to localhost:3000.
+// In dev, Vite proxies /environments /sessions /scenarios to localhost:3000.
 // In production (or when VITE_API_URL is set) we hit the configured origin directly.
 const BASE_URL: string = (import.meta.env.VITE_API_URL as string | undefined) ?? '';
 
@@ -132,14 +131,6 @@ export const environments = {
   },
 };
 
-// ── Keys ──────────────────────────────────────────────────────────────────────
-
-export const keys = {
-  list(): Promise<KeysResponse> {
-    return request('/keys');
-  },
-};
-
 // ── Sessions ──────────────────────────────────────────────────────────────────
 
 export const sessions = {

client/src/api/types.ts

@@ -46,12 +46,6 @@ export interface Snippet {
   updatedAt: string;
 }
 
-// ── Keys ──────────────────────────────────────────────────────────────────────
-
-export interface KeysResponse {
-  keys: string[];
-}
-
 // ── Sessions ──────────────────────────────────────────────────────────────────
 
 export type SessionStatus = 'open' | 'closed';

client/src/pages/KeysPage.tsx

@@ -1,44 +0,0 @@
-import { useEffect, useState } from 'react';
-import { useTranslation } from 'react-i18next';
-import { keys } from '../api';
-import { Breadcrumbs, Table, type TableColumn } from '../ui';
-import styles from './Page.module.css';
-
-interface KeyRow {
-  name: string;
-}
-
-export function KeysPage() {
-  const { t } = useTranslation();
-  const [items, setItems] = useState<KeyRow[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
-
-  const columns: TableColumn<KeyRow>[] = [
-    { key: 'name', header: t('keys.col_name'), render: (k) => k.name },
-  ];
-
-  useEffect(() => {
-    keys
-      .list()
-      .then((res) => setItems(res.keys.map((name) => ({ name }))))
-      .catch((err: Error) => setError(err.message))
-      .finally(() => setLoading(false));
-  }, []);
-
-  return (
-    <div>
-      <Breadcrumbs items={[{ label: t('keys.title') }]} className={styles.breadcrumbs} />
-      {error && <p className={styles.error}>{error}</p>}
-      <Table
-        columns={columns}
-        data={items}
-        rowKey={(k) => k.name}
-        loading={loading}
-        emptyMessage={t('keys.empty')}
-        pageSize={10}
-        pageSizeOptions={[10, 25, 50]}
-      />
-    </div>
-  );
-}

client/vite.config.ts

@@ -17,8 +17,6 @@ export default defineConfig({
       '/snippets': 'http://localhost:13000',
       '/sessions': 'http://localhost:13000',
       '/scenarios': 'http://localhost:13000',
-      '/keys': 'http://localhost:13000',
-      '/login': 'http://localhost:13000',
     },
   },
   test: {