feat(web): add enable_web_search frontend UI (#681) (#766)

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>

web/src/core/api/chat.ts

@@ -51,6 +51,7 @@ export async function* chatStream(
     interrupt_feedback?: string;
     enable_deep_thinking?: boolean;
     enable_background_investigation: boolean;
+    enable_web_search?: boolean;
     report_style?: "academic" | "popular_science" | "news" | "social_media" | "strategic_investment";
     mcp_settings?: {
       servers: Record<

web/src/core/store/settings-store.ts

@@ -14,6 +14,7 @@ const DEFAULT_SETTINGS: SettingsState = {
     maxClarificationRounds: 3,
     enableDeepThinking: false,
     enableBackgroundInvestigation: false,
+    enableWebSearch: true,
     maxPlanIterations: 1,
     maxStepNum: 3,
     maxSearchResults: 3,
@@ -31,6 +32,7 @@ export type SettingsState = {
     maxClarificationRounds: number;
     enableDeepThinking: boolean;
     enableBackgroundInvestigation: boolean;
+    enableWebSearch: boolean;
     maxPlanIterations: number;
     maxStepNum: number;
     maxSearchResults: number;
@@ -174,4 +176,14 @@ export function setEnableClarification(value: boolean) {
   }));
   saveSettings();
 }
+
+export function setEnableWebSearch(value: boolean) {
+  useSettingsStore.setState((state) => ({
+    general: {
+      ...state.general,
+      enableWebSearch: value,
+    },
+  }));
+  saveSettings();
+}
 loadSettings();

web/src/core/store/store.ts

@@ -115,6 +115,7 @@ export async function sendMessage(
       enable_deep_thinking: settings.enableDeepThinking ?? false,
       enable_background_investigation:
         settings.enableBackgroundInvestigation ?? true,
+      enable_web_search: settings.enableWebSearch ?? true,
       max_plan_iterations: settings.maxPlanIterations,
       max_step_num: settings.maxStepNum,
       max_search_results: settings.maxSearchResults,