build: update frontend distribution assets

build: update frontend deployment assets with latest UI changes

build: update production distribution assets for multi-agent support

fix(frontend): resolve vite syntax error

final: definitive synchronization - fresh build 00:27

build: update frontend and top nav bar

final: 15th definitive synchronization - refined UI logic and state helpers - timestamp 2026-04-07 23:38:07

final: definitive release synchronization with UI button visibility logic - timestamp 2026-04-07 23:31:05

fix: implement hybrid scoring (semantic + objective) and flexible grader

initial clean push: N-A finalized build