Sub-ticket of MARS-322 Clean trailing-\n from ~10 corrupted Mars prod Vercel env vars. coder-mars-cc found 13/36 vars carry a stray trailing newline from a bad import batch; 3 SMTP ones fixed in WI#472. Inspect + trim the remaining ~10. Verify each \n is actually stored vs a CLI-pull artifact before rewriting. Env-only, no code/push; next deploy picks up clean values. · mars