* `ChatAgent` declares the types of messages it produces

* Reset message to clear agent state

* format and lint

* Ability to generate handoff message from AssistantAgent

* Fix mypy

* Validation

---------

Co-authored-by: Victor Dibia <victordibia@microsoft.com>

* Add AssistantAgent, deprecate CodingAssistantAgent and ToolUseAssistantAgent

* Rename

* Add note

* Update uv

* uf lock

* Merge branch 'main' into assistant-agent

* Update uv

Add handoff message type to chat message types
Add Swarm group chat that uses handoff message to select next speaker
Remove tool call and tool call result message types from chat message types
Remove BaseToolUseChatAgent, move tool call handling from group chat's chat agent container upward to the ToolUseAssistantAgent implementation, which subclasses BaseChatAgent directly.
Renaming for better clarity

---------

Co-authored-by: Victor Dibia <victordibia@microsoft.com>

* Update dev version

* Update uv

* C#

* update versions

---------

Co-authored-by: Jack Gerrits <jack@jackgerrits.com>
Co-authored-by: Jack Gerrits <jackgerrits@users.noreply.github.com>

* Allow callable to be used as `registered_tools` in `ToolUseAssistantAgent`.

* fix

* migrate models

* Update python/packages/autogen-agentchat/src/autogen_agentchat/agents/_tool_use_assistant_agent.py

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* refactor missing imports

* ignore type check errors

* Update python/packages/autogen-ext/src/autogen_ext/models/_openai/_model_info.py

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* update packages index page

---------

Co-authored-by: Leonardo Pinheiro <lpinheiro@microsoft.com>
Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* Update version to dev1

* lockfile

* update tilde

* Use script-friendly example in README and quickstart

* Remove accidentally commited file

* Update instruction

* Refactor logging in agentchat

* fix notebook

---------

Co-authored-by: Jack Gerrits <jack@jackgerrits.com>
Co-authored-by: Jack Gerrits <jackgerrits@users.noreply.github.com>

* Add extension to handle pydantic docs

* Docs tweaks

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* Update PR link in blog post (#3602)

* Update PR link in blog post

* Update index.mdx

* Create CI to tag issues with needs triage (#3605)

* Update issue templates (#3610)

* Update config.yml

* Delete .github/ISSUE_TEMPLATE.md

* Delete .github/ISSUE_TEMPLATE/general_issue.yml

* Update feature_request.yml

* Update feature_request.yml

* Update feature_request.yml

* Update feature_request.yml

* Update bug_report.yml

* Update .github/ISSUE_TEMPLATE/bug_report.yml

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* Update .github/ISSUE_TEMPLATE/config.yml

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* Update bug_report.yml

* Update config.yml

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* termination condition

* Termination condition

* termination condition in group chat manager

* Update module import

* Fix logging

* Clean up

* Fix doc string

---------

Co-authored-by: Jack Gerrits <jackgerrits@users.noreply.github.com>

* Set logging of internal messages to debug

* Fix worker runtime tests

* Selector group chat that uses LLM to select the next speaker

* Merge remote-tracking branch 'origin/staging' into selector-groupchat

* Add allow_repeated_speaker option

* Add test for allowed_repeated_speaker=True

* Example for selector group chat

* format

* Rename and index

* title for notebook

* Merge remote-tracking branch 'origin/staging' into selector-groupchat

* Move tool to agent; refactor logging in agentchat

* Update notebook

* Fix formatting and remove duplicated import of EVENT_LOGGER_NAME in agentchat

* add staging to target in checks

* add staging to target in checks for dotnet

* Fix circular imports

* update TeamRunResult

* fix line ending in test

* lint

* update team result to list[chatmessage]

---------

Co-authored-by: Leonardo Pinheiro <lpinheiro@microsoft.com>
Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* Tool use in agentchat

* Update link

* doc string

* Use agentchat message types rather than core's model client message types

* Merge remote-tracking branch 'origin/main' into ekzhu-tool-use-assistant

* Agent container and message types is part of a group chat team behavior protocol.

* lint

* WIP implementation for agentchat

* WIP

* WIP

* wip

* WIP

* WIP

* WIP

* WIP

* fix types

* format

* fix build

* Fix build

* use a simpler implementation of thread -- list

* Select speaker to return speaker topic type

* add parent topic type to agent container

* Address comments

* Add check to make sure agent id is constant in a team run.

* Fix build

* Add agentchat lib

* update lockfile