feat: add Tavily search provider option to settings and setup wizard

client/src/components/SettingsView.tsx

@@ -51,6 +51,7 @@ export function SettingsView() {
     const [preferredSearch, setPreferredSearch] = useState('auto');
     const [searxngEndpoint, setSearxngEndpoint] = useState('http://localhost:8888/search');
     const [braveApiKey, setBraveApiKey] = useState('');
+    const [tavilyApiKey, setTavilyApiKey] = useState('');
     const [savingSearch, setSavingSearch] = useState(false);
     const [searchTestResult, setSearchTestResult] = useState<string | null>(null);
 
@@ -291,6 +292,7 @@ export function SettingsView() {
                     preferred_provider: preferredSearch,
                     searxng_endpoint: searxngEndpoint,
                     brave_api_key: braveApiKey || undefined,
+                    tavily_api_key: tavilyApiKey || undefined,
                 }),
             });
             await fetchSearchProviders();
@@ -673,6 +675,7 @@ export function SettingsView() {
                                 <option value="searxng">SearXNG (self-hosted)</option>
                                 <option value="brave">Brave Search</option>
                                 <option value="duckduckgo">DuckDuckGo</option>
+                                <option value="tavily">Tavily</option>
                             </select>
                         </div>
                         <div>
@@ -695,6 +698,18 @@ export function SettingsView() {
                                 onChange={e => setBraveApiKey(e.target.value)}
                             />
                         </div>
+                        <div>
+                            <label className="text-sm font-medium block mb-1">Tavily API Key</label>
+                            <Input
+                                type="password"
+                                placeholder="Enter Tavily API key (optional)"
+                                value={tavilyApiKey}
+                                onChange={e => setTavilyApiKey(e.target.value)}
+                            />
+                            <p className="text-[10px] text-muted-foreground mt-1">
+                                Get a key at <a href="https://app.tavily.com" target="_blank" rel="noreferrer" className="text-primary underline">app.tavily.com</a>
+                            </p>
+                        </div>
                     </div>
 
                     {/* Actions */}

client/src/components/SetupWizard.tsx

@@ -42,6 +42,7 @@ const INTEGRATIONS = [
     { id: 'github', label: 'GitHub', description: 'Create PRs, issues, and manage repos.', keyLabel: 'Personal Access Token', keyHint: 'ghp_...' },
     { id: 'notion', label: 'Notion', description: 'Create pages, update databases, search notes.', keyLabel: 'API Key', keyHint: 'secret_...' },
     { id: 'brave', label: 'Brave Search', description: 'High-quality web search API.', keyLabel: 'API Key', keyHint: 'BSA...' },
+    { id: 'tavily', label: 'Tavily Search', description: 'AI-optimised web search API (optional).', keyLabel: 'API Key', keyHint: 'tvly-...' },
 ];
 
 // ─── Helpers ───────────────────────────────────────────────────────────────────

server/src/routes/setupRoutes.ts

@@ -211,6 +211,7 @@ router.post('/complete', async (req: Request, res: Response) => {
             github: 'GITHUB_TOKEN',
             notion: 'NOTION_API_KEY',
             brave: 'BRAVE_API_KEY',
+            tavily: 'TAVILY_API_KEY',
             serpapi: 'SERPAPI_API_KEY',
         };
         for (const [service, val] of Object.entries(integrations)) {