review-ugc-render

# review-ugc-render > The QC gate every UGC video recipe MUST clear before it publishes. Not an > eyeball `/watch` — a deterministic transcript-vs-script diff that exits non-zero > on a defect so the recipe can hard-stop `set_final_render`. ## Why this exists Seedance generates the audio natively. It sometimes **mis-voices a word** — the approved line `human-vetted` comes back spoken as `human witted`; documented siblings: `Hume`→`Hune`, `Alitu`→`al-too`. The defect lives in the render's audio, so an eyeball `/watch` ("dialogue matches the script") slips it through, and a downstream caption pass then bakes the wrong word in verbatim. Nothing was comparing the **actual spoken audio** against the **script the user approved**. This gate does exactly that, deterministically, and refuses to publish on a miss. ## When to run - **MANDATORY** in every `remix-ugc-*-from-sample` and `create-ugc-*-video-from-refs` recipe, in the QC phase, **after** the master render exists and **before** `set_final_render`. - Re-run after every fix / re-roll until it PASSES. ## Contract Before rendering, persist the exact approved spoken lines (the verbatim utterance, no beat notes) to `working/approved-script.txt`. Then, after render: ```bash python3 <pack>/review-ugc-render/scripts/review_render.py \ --video working/final.mp4 \ --script-file working/approved-script.txt \ --json working/review-verdict.json ``` - **exit 0 → PASS** — proceed to publish (`set_final_render`). - **exit 2...