chore: add changeset for v3.43.0

[mrubens]

Important

Add changeset for v3.43.0 with updates to context management, model updates, and localization improvements.

• Behavior:
  • Adds changeset for v3.43.0 in .changeset/v3.43.0.md with release notes and updates.
  • Updates latestAnnouncementId in ClineProvider.ts to "jan-2026-v3.43.0-intelligent-context-condensation".
  • Updates announcement text in Announcement.tsx to reflect new release.
• Localization:
  • Updates release notes in multiple language files (chat.json) to include "Intelligent Context Condensation v2" and other release details.
• Misc:
  • Adds image for 3.43.0 release in .changeset/v3.43.0.md.
  • Removes outdated announcement items from Announcement.tsx.

^{This description was created by for 7a0a72a. You can customize this summary. It will automatically update as commits are pushed.}

[roomote]

Rooviewer   Follow along on Roo Cloud

Re-review complete for latest commit 7a0a72a. No new issues found.

• Changeset file properly formatted with release notes
• Announcement component updated correctly
• All 18 locale translation files updated consistently
• latestAnnouncementId updated in ClineProvider.ts

Previous reviews

• 0a9ace0: Review #1
• 8d81bdb: Review #2
• 0a9ace0: Review #3

_{Mention @roomote in a comment to request specific changes to this pull request or fix all unresolved issues.}

[mrubens]

@roomote fix the conflicts

[roomote]

Fixaroo   See task on Roo Cloud

Resolved all 20 merge conflicts, keeping v3.43.0 release content. All local checks passed.

_{View commit | Revert commit}

[ellipsis-dev]

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