Add support for GPT-5 model family (#2667)

Update reasoning.md with all models (#2664)

Update deploy_private.md docs to reflect new feature (#2666)

Switch to gpt-41-mini as default chat model (#2557)

* Switch to gpt-41-mini with evaluations

* Update model used in tests

* Change search agent to 4.1-mini as well

* Update model version

Fix UI and answer gen issues (#2541)

* sort references

* UI fixds

* ui fixes

* update defaults

* update

* update

* update

* update

* update

* Add results merge strategy

* Add results merge strategy to thought process

* update snapshots

Bump astral-sh/setup-uv from 5 to 6 in the github-actions group (#2512)

Bumps the github-actions group with 1 update: [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv).


Updates `astral-sh/setup-uv` from 5 to 6
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v5...v6)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Upgrade prompty (#2475)

Remove token-counting library for conversation history truncation (#2449

)

* Simplify RenderedPrompt class

* Fix reference

* Remove (EXAMPLE) from prompts

* Remove long history test

* Fix test with missing async, run on Windows too

* Remove Windows again as a few tests fail

Port to gpt-4o-mini as default (#2443)

* Port to gpt-4o-mini as default

* Update snapshot for 128K model

* Fix markdown

Bump react-i18next from 15.1.1 to 15.4.1 in /app/frontend (#2376)

Bumps [react-i18next](https://github.com/i18next/react-i18next) from 15.1.1 to 15.4.1.
- [Changelog](https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md)
- [Commits](i18next/react-i18next@v15.1.1...v15.4.1)

---
updated-dependencies:
- dependency-name: react-i18next
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>