refactor: update LS context interface

Tomas Vik (OOO back on 2026-04-07)requested to merge
tv/2025-07/simplify-chat-context into main

Description

We removed AIContextSearchRequest from LS in refactor: different search argument for CS and ... (gitlab-org/editor-extensions/gitlab-lsp!2036 - merged) and all chat context logic started to use DuoChatAIRequest. It is 1:1 replacement.

Related Issues

Resolves [Agentic Chat] [Custom rules] Introduce system ... (gitlab-org/editor-extensions/gitlab-lsp#1238 - closed)

Screenshots (if appropriate)

What CHANGELOG entry will this MR create?

  • fix: Bug fix fixes - a user-facing issue in production - included in changelog
  • feature: New feature - a user-facing change which adds functionality - included in changelog
  • BREAKING CHANGE: (fix or feature that would cause existing functionality to change) - should bump major version, mentioned in the changelog
  • None - other non-user-facing changes
Edited by Tomas Vik (OOO back on 2026-04-07)

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