chore: register chat handlers for duo agent platform v2 webview

See merge request !3241

Merged-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Mohammed Osumah <mosumah@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Juhee Lee <julee@gitlab.com>

chore(deps): update dependency @gitlab-org/gitlab-lsp to ^9.2.0

See merge request !3277

Merged-by: Juhee Lee <julee@gitlab.com>

## **pre-release**  [6.85.2](v6.85.1...v6.85.2) (2026-07-10)
### 🔁 Chore

* **deps:** update dependency @gitlab-org/gitlab-lsp to ^9.2.0 ([3a79f982](3a79f982)) by Juhee Lee
* register chat handlers for duo agent platform v2 webview ([dabc68b4](dabc68b4)) by Juhee Lee

### Language Server Release [9.1.0...9.2.0](gitlab-org/editor-extensions/gitlab-lsp@v9.1.0...v9.2.0)
### [9.2.0](gitlab-org/editor-extensions/gitlab-lsp@v9.1.0...v9.2.0) (2026-07-09)

#### ✨ Features

* **cli:** custom slash commands ([5265421](gitlab-org/editor-extensions/gitlab-lsp@52654217)) by Elwyn Benson
* **duo-agent-platform-v2:** add session and pattern approval options ([fa01acb](gitlab-org/editor-extensions/gitlab-lsp@fa01acb4)) by Mohammed Osumah
* **plugin-marketplace:** update plugins and refresh marketplace catalogs ([3900f43](gitlab-org/editor-extensions/gitlab-lsp@3900f438)) by Elwyn Benson

#### 🐛 Bug Fixes

* **tui:** improve startup screen UI ([b161e65](gitlab-org/editor-extensions/gitlab-lsp@b161e65b)) by Amr Elhusseiny

#### ⚡ Refactor

* rename developer flow version 2.0.0-local to 2.0.0-interactive ([f2d2b67](gitlab-org/editor-extensions/gitlab-lsp@f2d2b679)) by Thomas Schmidt

#### 🔁 Chore

* **duo-agent-platform-v2:** close markdown sanitization bypasses ([267872f](gitlab-org/editor-extensions/gitlab-lsp@267872f6)) by Juhee Lee