Restore 100% về commit f28ba6befe4f21e5202132cf2117664f538c960b

Upload static/live_mode.js

Delete ai_runtime*.py, ai_runtime_fix.py, ai_runtime_patch*.py, app_clean.py, app_entry.py, app_final.py, app_main.py, app_patch_unified.py, app_run.py, app_v2_entry_hot.py, app_v2_entry_test.py, app_v2_entry_v2.py, app_v2_patch.py, auto_scheduler.py, auto_update_sse.py, bongda_proxy.py, logs_route.py, main_patch.py, match_detail.py, patch_*.py, piped_client.py, restore_runner.py, rewrite_slide.py, shorts_*.py, storage.py, vtv_shorts.py, yt_scraper.py, yt_scraper_fixed.py, ai_fix2.py, *.js, CHANGELOG.md, README.md, RESTART_TRIGGER.md, rebuild3.md, rebuild_trigger.txt, restart.txt, restart2.md, rewrite_fix_v2.js

Restore to commit 8f37e0e (v18.11: add /api/proxy/img endpoint)

restore live_mode.js to 2a3b11a

Remove 404 rewrite_fix.js script load; missing functions now provided by fix.js

Squash main