chore: rebuild main package with share-pack rule enabled

Rebuild hot update code and main asset package after the build
pipeline changes in this branch so a fresh clone runs without a
manual rebuild. Bundles are now split via EnableSharePackRule=true;
old monolithic bundles are removed.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: JasonXuDeveloper - 傑 <jason@xgamedev.net>

Author: JasonXuDeveloper