docs(zenodo): v6.1 Phase 5-6: video scripts and Jupyter notebooks (#415)

Phase 5: Video Demonstrations
- VIDEO_SCRIPTS_V6.1.md (400 LOC)
- 7 bash recording scripts (2-5 min each)
- ffmpeg commands for macOS
- Quality settings: 1920×1080, 30 FPS, H.264
- Scripts for B001-B007 with timing

Phase 6: Interactive Dashboards
- 3 Jupyter notebooks (.ipynb)
- B001_Training_Analysis.ipynb: load CSV, plot curves, stats
- B002_FPGA_Analysis.ipynb: resource viz, synthesis parsing
- B007_VSA_Analysis.ipynb: noise resilience, SIMD speedup

Total: 750 LOC new interactive content

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Antigravity Agent