feat: add Todos

frontend/src/core/i18n/locales/en-US.ts

@@ -41,6 +41,11 @@ export const enUS: Translations = {
     thinkingDisabled: "Thinking is disabled",
     clickToDisableThinking: "Click to disable thinking",
     clickToEnableThinking: "Click to enable thinking",
+    planMode: "Plan mode",
+    planModeEnabled: "Plan mode is enabled",
+    planModeDisabled: "Plan mode is disabled",
+    clickToDisablePlanMode: "Click to disable plan mode",
+    clickToEnablePlanMode: "Click to enable plan mode",
     searchModels: "Search models...",
   },
 
@@ -87,6 +92,7 @@ export const enUS: Translations = {
     listFolder: "List folder",
     readFile: "Read file",
     writeFile: "Write file",
+    writeTodos: "Update to-do list",
   },
 
   // Settings

frontend/src/core/i18n/locales/types.ts

@@ -38,6 +38,11 @@ export interface Translations {
     thinkingDisabled: string;
     clickToDisableThinking: string;
     clickToEnableThinking: string;
+    planMode: string;
+    planModeEnabled: string;
+    planModeDisabled: string;
+    clickToDisablePlanMode: string;
+    clickToEnablePlanMode: string;
     searchModels: string;
   };
 
@@ -84,6 +89,7 @@ export interface Translations {
     listFolder: string;
     readFile: string;
     writeFile: string;
+    writeTodos: string;
   };
 
   // Settings

frontend/src/core/i18n/locales/zh-CN.ts

@@ -41,6 +41,11 @@ export const zhCN: Translations = {
     thinkingDisabled: "思考功能已禁用",
     clickToDisableThinking: "点击禁用思考功能",
     clickToEnableThinking: "点击启用思考功能",
+    planMode: "To-do 模式",
+    planModeEnabled: "To-do 模式已启用",
+    planModeDisabled: "To-do 模式已禁用",
+    clickToDisablePlanMode: "点击禁用 To-do 模式",
+    clickToEnablePlanMode: "点击启用 To-do 模式",
     searchModels: "搜索模型...",
   },
 
@@ -87,6 +92,7 @@ export const zhCN: Translations = {
     listFolder: "列出文件夹",
     readFile: "读取文件",
     writeFile: "写入文件",
+    writeTodos: "更新 To-do 列表",
   },
 
   // Settings

frontend/src/core/messages/utils.ts

@@ -85,29 +85,6 @@ export function groupMessages<T>(
     }
   }
 
-  // if (!isLoading) {
-  //   const lastGroup: MessageGroup | undefined = groups[groups.length - 1];
-  //   if (
-  //     lastGroup?.type === "assistant:processing" &&
-  //     lastGroup.messages.length > 0
-  //   ) {
-  //     const lastMessage = lastGroup.messages[lastGroup.messages.length - 1]!;
-  //     const reasoningContent = extractReasoningContentFromMessage(lastMessage);
-  //     const content = extractContentFromMessage(lastMessage);
-  //     if (reasoningContent && !content) {
-  //       lastGroup.messages.pop();
-  //       if (lastGroup.messages.length === 0) {
-  //         groups.pop();
-  //       }
-  //       groups.push({
-  //         id: lastMessage.id,
-  //         type: "assistant",
-  //         messages: [lastMessage],
-  //       });
-  //     }
-  //   }
-  // }
-
   const resultsOfGroups: T[] = [];
   for (const group of groups) {
     const resultOfGroup = mapper(group);

frontend/src/core/settings/local.ts

@@ -4,6 +4,7 @@ export const DEFAULT_LOCAL_SETTINGS: LocalSettings = {
   context: {
     model_name: "deepseek-v3.2",
     thinking_enabled: true,
+    is_plan_mode: true,
   },
   layout: {
     sidebar_collapsed: false,
@@ -27,10 +28,18 @@ export function getLocalSettings(): LocalSettings {
   try {
     if (json) {
       const settings = JSON.parse(json);
-      return {
+      const mergedSettings = {
         ...DEFAULT_LOCAL_SETTINGS,
-        ...settings,
+        context: {
+          ...DEFAULT_LOCAL_SETTINGS.context,
+          ...settings.context,
+        },
+        layout: {
+          ...DEFAULT_LOCAL_SETTINGS.layout,
+          ...settings.layout,
+        },
       };
+      return mergedSettings;
     }
   } catch {}
   return DEFAULT_LOCAL_SETTINGS;

frontend/src/core/threads/types.ts

@@ -1,10 +1,13 @@
 import { type BaseMessage } from "@langchain/core/messages";
 import type { Thread } from "@langchain/langgraph-sdk";
 
+import type { Todo } from "../todos";
+
 export interface AgentThreadState extends Record<string, unknown> {
   title: string;
   messages: BaseMessage[];
   artifacts: string[];
+  todos?: Todo[];
 }
 
 export interface AgentThread extends Thread<AgentThreadState> {}
@@ -13,4 +16,5 @@ export interface AgentThreadContext extends Record<string, unknown> {
   thread_id: string;
   model_name: string;
   thinking_enabled: boolean;
+  is_plan_mode: boolean;
 }

frontend/src/core/todos/index.ts

@@ -0,0 +1 @@
+export * from "./types";

frontend/src/core/todos/types.ts

@@ -0,0 +1,4 @@
+export interface Todo {
+  content?: string;
+  status?: "pending" | "in_progress" | "completed";
+}