fix(patch): cherry-pick 7ec7845 to release/v0.15.0-preview.1-pr-12905 [CONFLICTS] (#12962)

Co-authored-by: anj-s <32556631+anj-s@users.noreply.github.com>
Co-authored-by: Anjali Sridhar <anjsridhar@gmail.com>

packages/cli/src/config/settingsSchema.ts

@@ -1080,8 +1080,8 @@ const SETTINGS_SCHEMA = {
     label: 'Use Write Todos',
     category: 'Advanced',
     requiresRestart: false,
-    default: false,
-    description: 'Enable the write_todos_list tool.',
+    default: true,
+    description: 'Enable the write_todos tool.',
     showInDialog: false,
   },
   security: {

packages/cli/src/ui/components/messages/Todo.test.tsx

@@ -20,7 +20,7 @@ const createTodoHistoryItem = (todos: Todo[]): HistoryItem =>
     id: '1',
     tools: [
       {
-        name: 'write_todos_list',
+        name: 'write_todos',
         callId: 'tool-1',
         status: ToolCallStatus.Success,
         resultDisplay: {

packages/cli/src/ui/hooks/usePhraseCycler.ts

@@ -200,7 +200,7 @@ export const INFORMATIVE_TIPS = [
   'Set the number of lines to keep when truncating outputs (/settings)...',
   'Enable policy-based tool confirmation via message bus (/settings)...',
   'Enable smart-edit tool for more precise editing (/settings)...',
-  'Enable write_todos_list tool to generate task lists (/settings)...',
+  'Enable write_todos tool to generate task lists (/settings)...',
   'Enable model routing based on complexity (/settings)...',
   'Enable experimental subagents for task delegation (/settings)...',
   //Settings tips end here

packages/core/src/config/config.ts

@@ -514,7 +514,7 @@ export class Config {
       params.truncateToolOutputLines ?? DEFAULT_TRUNCATE_TOOL_OUTPUT_LINES;
     this.enableToolOutputTruncation = params.enableToolOutputTruncation ?? true;
     this.useSmartEdit = params.useSmartEdit ?? true;
-    this.useWriteTodos = params.useWriteTodos ?? false;
+    this.useWriteTodos = params.useWriteTodos ?? true;
     this.initialUseModelRouter = params.useModelRouter ?? false;
     this.useModelRouter = this.initialUseModelRouter;
     this.disableModelRouterForAuth = params.disableModelRouterForAuth ?? [];

packages/core/src/tools/write-todos.ts

@@ -173,14 +173,48 @@ export class WriteTodosTool extends BaseDeclarativeTool<
                 },
               },
               required: ['description', 'status'],
+              additionalProperties: false,
             },
           },
         },
         required: ['todos'],
+        additionalProperties: false,
       },
     );
   }
 
+  override get schema() {
+    return {
+      name: this.name,
+      description: this.description,
+      parametersJsonSchema: this.parameterSchema,
+      responseJsonSchema: {
+        type: 'object',
+        properties: {
+          todos: {
+            type: 'array',
+            items: {
+              type: 'object',
+              properties: {
+                description: {
+                  type: 'string',
+                },
+                status: {
+                  type: 'string',
+                  enum: TODO_STATUSES,
+                },
+              },
+              required: ['description', 'status'],
+              additionalProperties: false,
+            },
+          },
+        },
+        required: ['todos'],
+        additionalProperties: false,
+      },
+    };
+  }
+
   protected override validateToolParamValues(
     params: WriteTodosToolParams,
   ): string | null {