Restore to commit 12cb6db - Fix: Update MULTILINGUAL_VOICES mapping for Vietnamese TTS support

Reset main to restore-12cb6db

Upload main_patch.py with huggingface_hub

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Restore to commit 60e310a

Delete static/app_v3.js, static/app_v4.js, static/app_v5.js, static/core_1781056782.js, static/rewrite_fix.js, static/tv_player.js, static/yt_live_v2.js, static/index_v3.html, static/index_v4.html, ai_runtime_patch_fast.py, main_patch.py, vtv_scraper.py, match_detail.py

Restore to commit 6c739c9

Delete ai_fix2.py, ai_patch.py, ai_runtime.py, ai_runtime_final.py, ai_runtime_final2.py, ai_runtime_final3.py, ai_runtime_final4.py, ai_runtime_final5.py, ai_runtime_final6.py, ai_runtime_patch_fast.py, app_clean.py, app_entry.py, app_final.py, app_main.py, app_patch_unified.py, app_run.py, main_patch.py, patch_extra.py, patch_runtime.py, restore_runner.py, rewrite_slide.py, vtv_scraper.py, TRIGGER_REBUILD_V6.md, _static_build_trigger.txt, app/

Add VTV API router import helper