Fix: Remove unused plotly/numpy imports

Security: Remove hardcoded BSV API key

Fix BSV API json field name

Integrate real BSV blockchain attestation

Simplify credits - remove descriptions, all three creators share copyright

Add Shawn Ryan to Creators list (BioPrime.one Integration)

Fix button click errors - remove problematic markdown formatting and f-string alignments

Update credits - remove Shawn Ryan

TopoGrammar v2.1.0 - Grammar-Aware 3D Genome Engine Demo