Synced from monorepo

Synced from monorepo

Changes:
- Guard in-process git status/diff from client spam
- Bump plugin CTA debounce to 500ms
- Bundle memory traces in the session trace export
- Tabbed usage/session-info modal for /usage, /session-info, and /context
- Make session recaps follow the session language instead of always English
- Honor startupHints on session request metadata; fix headless MCP connecting reminder
- Name latest Windows download Grok Setup.exe

Source-Revision: 3e620a76a5f374ce644dc7c87f7e990c68348218