* Add walkthrough button and enable quick wins for new users

- Add openWalkthrough RPC method to ui.proto
- Enable quick wins display for users with <3 tasks in history
- Add "Take a Tour" button in HomeHeader when quick wins are shown
- Update WelcomeSection to pass shouldShowQuickWins prop to HomeHeader

* Adding Gpt-oss through groq

* Adding Gpt-oss through groq

* Support prompt caching and thinking for Opus 4.1

* Support prompt caching and thinking for Opus 4.1

* Support prompt caching and thinking for Opus 4.1

…lemetry (#5379)

* feat: migrate diff edit diagnostics to hostbridge; Migrate diagnostics functionality from direct VS Code API calls to the hostbridge layer to enable multi-host support (VS Code + IntelliJ).

* remove test logging

* refactor: migrate diagnostics to workspace service and host separation

* base

Co-authored-by: EndoTheDev <endothedev@gmail.com>

* toggle showing key box

* typing

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Co-authored-by: EndoTheDev <endothedev@gmail.com>

…5396)

* Switch to ULID from UUID for tasks

* Switch to ULID from UUID for tasks

* Switch to ULID from UUID for tasks

* preparing for gpt5 release

* Update generic system prompt with needs_more_exploration param for plan mode

* changeset

---------

Co-authored-by: Saoud Rizwan <7799382+saoudrizwan@users.noreply.github.com>

* changeset version bump

* Updating CHANGELOG.md format

* release notes

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: pashpashpash <nik@cline.bot>