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pull request. -->

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## Why are these changes needed?



https://github.com/user-attachments/assets/e160f16d-f42d-49e2-a6c6-687e4e6786f4



Enable file upload/paste as a task in AGS. Enables tasks like

- Can you research and fact check the ideas in this screenshot?
- Summarize this file

Only text and images supported for now
Underneath, it constructs TextMessage and Multimodal messages as the
task.

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solves. -->

## Related issue number

<!-- For example: "Closes #1234" -->

Closes #5773 

## Checks

- [ ] I've included any doc changes needed for
<https://microsoft.github.io/autogen/>. See
<https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md> to
build and test documentation locally.
- [ ] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [ ] I've made sure all auto checks have passed.

---------

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

Fixes the sha256_hash docstring to refer to SHA-256 and not MD5.

## Why are these changes needed?

The docstring refers to (presumably) a previous implementation that was
using MD5.

## Related issue number

N/A

## Checks

- [X] I've included any doc changes needed for
<https://microsoft.github.io/autogen/>. See
<https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md> to
build and test documentation locally.
- [N/A] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [N/A] I've made sure all auto checks have passed.

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pull request. -->

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## Why are these changes needed?

Fix termination UI in AGS, ensure it can be edited correctly

<img width="1269" alt="image"
src="https://github.com/user-attachments/assets/eaa7a92f-a1ea-4ab4-a679-2894ac441311"
/>
<img width="1273" alt="image"
src="https://github.com/user-attachments/assets/6db81068-932f-4d4e-9512-279770c02bf2"
/>
<img width="1270" alt="image"
src="https://github.com/user-attachments/assets/5ca9df7d-b968-46c9-9d62-becd78809273"
/>


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solves. -->

## Related issue number

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Closes #5872
## Checks

- [ ] I've included any doc changes needed for
<https://microsoft.github.io/autogen/>. See
<https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md> to
build and test documentation locally.
- [ ] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [ ] I've made sure all auto checks have passed.

* fix import issue related to agentchat update #4245

* update uv lock file

* fix db auto_upgrade logic issue.

* im prove msg rendering issue

* Support termination condition combination. Closes #4325

* fix db instantiation bug

* update yarn.lock, closes #4260 #4262

* remove deps for now with vulnerabilities found by dependabot #4262

* update db tests

* add ability to load sessions from db ..

* format updates, add format checks to ags

* format check fixes

* linting and ruff check fixes

* make tests for ags non-parrallel to avoid db race conditions.

* format updates

* fix concurrency issue

* minor ui tweaks, move run start to websocket

* lint fixes

* update uv.lock

* Update python/packages/autogen-studio/autogenstudio/datamodel/types.py

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

* Update python/packages/autogen-studio/autogenstudio/teammanager.py

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

* reuse user proxy from agentchat

* ui tweaks

---------

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

* add skeleton worflow manager

* add test notebook

* update test nb

* add sample team spec

* refactor requirements to agentchat and ext

* add base provider to return agentchat agents from json spec

* initial api refactor, update dbmanager

* api refactor

* refactor tests

* ags api tutorial update

* ui refactor

* general refactor

* minor refactor updates

* backend api refaactor

* ui refactor and update

* implement v1 for streaming connection with ui updates

* backend refactor

* ui refactor

* minor ui tweak

* minor refactor and tweaks

* general refactor

* update tests

* sync uv.lock with main

* uv lock update

Co-authored-by: Ryan Sweet <rysweet@microsoft.com>