[Investigate] Web IDE support for Duo Injected Context
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## Description
Following up from [this thread](https://gitlab.com/gitlab-org/gitlab-ui/-/merge_requests/4560#note_2090376503), let's figure out how we can support the Web IDE with the upcoming "Injected Context" feature for Duo.
## Acceptance criteria
- An implementation plan for how we can support Injected Context feature in the Web IDE.
- Relevant refined issues created.
## Notes
- The Web IDE can use the language server, but doesn't by default yet.
- The Web IDE does not support native FS calls. The Web IDE has an internal virtual file system which could provide context. **brainstorm:** The Langauge-Server could request this context to the GitLab Workflow extension, which could request from the built-in Web IDE extension.
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