feat: enable investigation mode

web/src/core/api/chat.ts

@@ -17,6 +17,7 @@ export async function* chatStream(
     max_plan_iterations: number;
     max_step_num: number;
     interrupt_feedback?: string;
+    enable_background_investigation: boolean;
     mcp_settings?: {
       servers: Record<
         string,

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

@@ -10,6 +10,7 @@ const SETTINGS_KEY = "deerflow.settings";
 const DEFAULT_SETTINGS: SettingsState = {
   general: {
     autoAcceptedPlan: false,
+    enableBackgroundInvestigation: false,
     maxPlanIterations: 1,
     maxStepNum: 3,
   },
@@ -21,6 +22,7 @@ const DEFAULT_SETTINGS: SettingsState = {
 export type SettingsState = {
   general: {
     autoAcceptedPlan: boolean;
+    enableBackgroundInvestigation: boolean;
     maxPlanIterations: number;
     maxStepNum: number;
   };
@@ -48,9 +50,10 @@ export const loadSettings = () => {
   const json = localStorage.getItem(SETTINGS_KEY);
   if (json) {
     const settings = JSON.parse(json);
-    for (const key in DEFAULT_SETTINGS) {
-      if (!(key in settings)) {
-        settings[key] = DEFAULT_SETTINGS[key as keyof SettingsState];
+    for (const key in DEFAULT_SETTINGS.general) {
+      if (!(key in settings.general)) {
+        settings.general[key as keyof SettingsState["general"]] =
+          DEFAULT_SETTINGS.general[key as keyof SettingsState["general"]];
       }
     }
 
@@ -71,14 +74,14 @@ export const saveSettings = () => {
 export const getChatStreamSettings = () => {
   let mcpSettings:
     | {
-      servers: Record<
-        string,
-        MCPServerMetadata & {
-          enabled_tools: string[];
-          add_to_agents: string[];
-        }
-      >;
-    }
+        servers: Record<
+          string,
+          MCPServerMetadata & {
+            enabled_tools: string[];
+            add_to_agents: string[];
+          }
+        >;
+      }
     | undefined = undefined;
   const { mcp, general } = useSettingsStore.getState();
   const mcpServers = mcp.servers.filter((server) => server.enabled);
@@ -120,4 +123,13 @@ export const getChatStreamSettings = () => {
   };
 };
 
+export function setEnableBackgroundInvestigation(value: boolean) {
+  useSettingsStore.setState((state) => ({
+    general: {
+      ...state.general,
+      enableBackgroundInvestigation: value,
+    },
+  }));
+  saveSettings();
+}
 loadSettings();

web/src/core/store/store.ts

@@ -50,7 +50,9 @@ export const useStore = create<{
     }));
   },
   updateMessage(message: Message) {
-    set(state => ({ messages: new Map(state.messages).set(message.id, message) }));
+    set((state) => ({
+      messages: new Map(state.messages).set(message.id, message),
+    }));
   },
   updateMessages(messages: Message[]) {
     set((state) => {
@@ -67,7 +69,7 @@ export const useStore = create<{
   },
   setOngoingResearch(researchId: string | null) {
     set({ ongoingResearchId: researchId });
-  }
+  },
 }));
 
 export async function sendMessage(
@@ -96,6 +98,8 @@ export async function sendMessage(
       thread_id: THREAD_ID,
       interrupt_feedback: interruptFeedback,
       auto_accepted_plan: settings.autoAcceptedPlan,
+      enable_background_investigation:
+        settings.enableBackgroundInvestigation ?? true,
       max_plan_iterations: settings.maxPlanIterations,
       max_step_num: settings.maxStepNum,
       mcp_settings: settings.mcpSettings,