Merge main HEAD (segment 5) into sandboxed-agent-rebase

Resolve 83 conflicts: 10 backend, 62 frontend, 11 config/lock files.
Preserve sandbox/agent/collaboration features while adopting main's
UI refactorings (Dialog/AlertDialog/Popover), model provider updates,
and enterprise features.

Made-with: Cursor
This commit is contained in:
Novice
2026-03-23 14:20:06 +08:00
1671 changed files with 124822 additions and 22302 deletions

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