All-Hands-AI · rbren · Jan 2, 2025 · Jan 1, 2025 · Jan 1, 2025 · Jan 2, 2025
diff --git a/frontend/src/types/action-type.tsx b/frontend/src/types/action-type.tsx
@@ -33,12 +33,6 @@ enum ActionType {
   // Reject a request from user or another agent.
   REJECT = "reject",
 
-  // Adds a task to the plan.
-  ADD_TASK = "add_task",
-
-  // Updates a task in the plan.
-  MODIFY_TASK = "modify_task",
-
   // Changes the state of the agent, e.g. to paused or running
   CHANGE_AGENT_STATE = "change_agent_state",
 }

diff --git a/frontend/src/types/core/actions.ts b/frontend/src/types/core/actions.ts
@@ -78,27 +78,6 @@ export interface BrowseInteractiveAction
   };
 }
 
-export interface AddTaskAction extends OpenHandsActionEvent<"add_task"> {
-  source: "agent";
-  timeout: number;
-  args: {
-    parent: string;
-    goal: string;
-    subtasks: unknown[];
-    thought: string;
-  };
-}
-
-export interface ModifyTaskAction extends OpenHandsActionEvent<"modify_task"> {
-  source: "agent";
-  timeout: number;
-  args: {
-    task_id: string;
-    state: string;
-    thought: string;
-  };
-}
-
 export interface FileReadAction extends OpenHandsActionEvent<"read"> {
   source: "agent";
   args: {
@@ -144,6 +123,4 @@ export type OpenHandsAction =
   | FileReadAction
   | FileEditAction
   | FileWriteAction
-  | AddTaskAction
-  | ModifyTaskAction
   | RejectAction;
diff --git a/frontend/src/types/core/base.ts b/frontend/src/types/core/base.ts
@@ -10,8 +10,6 @@ export type OpenHandsEventType =
   | "browse"
   | "browse_interactive"
   | "reject"
-  | "add_task"
-  | "modify_task"
   | "finish"
   | "error";
 

diff --git a/openhands/agenthub/__init__.py b/openhands/agenthub/__init__.py
@@ -12,12 +12,10 @@
     codeact_agent,
     delegator_agent,
     dummy_agent,
-    planner_agent,
 )
 
 __all__ = [
     'codeact_agent',
-    'planner_agent',
     'delegator_agent',
     'dummy_agent',
     'browsing_agent',

diff --git a/openhands/agenthub/dummy_agent/agent.py b/openhands/agenthub/dummy_agent/agent.py
@@ -1,12 +1,11 @@
-from typing import TypedDict, Union
+from typing import TypedDict
 
 from openhands.controller.agent import Agent
 from openhands.controller.state.state import State
 from openhands.core.config import AgentConfig
 from openhands.core.schema import AgentState
 from openhands.events.action import (
     Action,
-    AddTaskAction,
     AgentFinishAction,
     AgentRejectAction,
     BrowseInteractiveAction,
@@ -15,10 +14,10 @@
     FileReadAction,
     FileWriteAction,
     MessageAction,
-    ModifyTaskAction,
 )
 from openhands.events.observation import (
     AgentStateChangedObservation,
+    BrowserOutputObservation,
     CmdOutputObservation,
     FileReadObservation,
     FileWriteObservation,
@@ -49,20 +48,6 @@ class DummyAgent(Agent):
     def __init__(self, llm: LLM, config: AgentConfig):
         super().__init__(llm, config)
         self.steps: list[ActionObs] = [
-            {
-                'action': AddTaskAction(
-                    parent='None', goal='check the current directory'
-                ),
-                'observations': [],
-            },
-            {
-                'action': AddTaskAction(parent='0', goal='run ls'),
-                'observations': [],
-            },
-            {
-                'action': ModifyTaskAction(task_id='0', state='in_progress'),
-                'observations': [],
-            },
             {
                 'action': MessageAction('Time to get started!'),
                 'observations': [],
@@ -105,15 +90,25 @@ def __init__(self, llm: LLM, config: AgentConfig):
             {
                 'action': BrowseURLAction(url='https://google.com'),
                 'observations': [
-                    # BrowserOutputObservation('<html><body>Simulated Google page</body></html>',url='https://google.com',screenshot=''),
+                    BrowserOutputObservation(
+                        '<html><body>Simulated Google page</body></html>',
+                        url='https://google.com',
+                        screenshot='',
+                        trigger_by_action='',
+                    ),
                 ],
             },
             {
                 'action': BrowseInteractiveAction(
                     browser_actions='goto("https://google.com")'
                 ),
                 'observations': [
-                    # BrowserOutputObservation('<html><body>Simulated Google page after interaction</body></html>',url='https://google.com',screenshot=''),
+                    BrowserOutputObservation(
+                        '<html><body>Simulated Google page after interaction</body></html>',
+                        url='https://google.com',
+                        screenshot='',
+                        trigger_by_action='',
+                    ),
                 ],
             },
             {
@@ -135,30 +130,6 @@ def step(self, state: State) -> Action:
         current_step = self.steps[state.iteration]
         action = current_step['action']
 
-        # If the action is AddTaskAction or ModifyTaskAction, update the parent ID or task_id
-        if isinstance(action, AddTaskAction):
-            if action.parent == 'None':
-                action.parent = ''  # Root task has no parent
-            elif action.parent == '0':
-                action.parent = state.root_task.id
-            elif action.parent.startswith('0.'):
-                action.parent = f'{state.root_task.id}{action.parent[1:]}'
-        elif isinstance(action, ModifyTaskAction):
-            if action.task_id == '0':
-                action.task_id = state.root_task.id
-            elif action.task_id.startswith('0.'):
-                action.task_id = f'{state.root_task.id}{action.task_id[1:]}'
-            # Ensure the task_id doesn't start with a dot
-            if action.task_id.startswith('.'):
-                action.task_id = action.task_id[1:]
-        elif isinstance(action, (BrowseURLAction, BrowseInteractiveAction)):
-            try:
-                return self.simulate_browser_action(action)
-            except (
-                Exception
-            ):  # This could be a specific exception for browser unavailability
-                return self.handle_browser_unavailable(action)
-
         if state.iteration > 0:
             prev_step = self.steps[state.iteration - 1]
 
@@ -190,22 +161,3 @@ def step(self, state: State) -> Action:
                         )
 
         return action
-
-    def simulate_browser_action(
-        self, action: Union[BrowseURLAction, BrowseInteractiveAction]
-    ) -> Action:
-        # Instead of simulating, we'll reject the browser action
-        return self.handle_browser_unavailable(action)
-
-    def handle_browser_unavailable(
-        self, action: Union[BrowseURLAction, BrowseInteractiveAction]
-    ) -> Action:
-        # Create a message action to inform that browsing is not available
-        message = 'Browser actions are not available in the DummyAgent environment.'
-        if isinstance(action, BrowseURLAction):
-            message += f' Unable to browse URL: {action.url}'
-        elif isinstance(action, BrowseInteractiveAction):
-            message += (
-                f' Unable to perform interactive browsing: {action.browser_actions}'
-            )
-        return MessageAction(content=message)
diff --git a/openhands/agenthub/planner_agent/__init__.py b/openhands/agenthub/planner_agent/__init__.py
diff --git a/openhands/agenthub/planner_agent/agent.py b/openhands/agenthub/planner_agent/agent.py