update .github/copilot-instructions.md> The heading structure creates confusion with nested H1 headers. The embedded content should use H2 or H3 headings to maintain proper document hierarchy under the "Additional Instructions" section.

[joe10832]

update .github/copilot-instructions.md> The heading structure creates confusion with nested H1 headers. The embedded content should use H2 or H3 headings to maintain proper document hierarchy under the "Additional Instructions" section.

### Wallet Integration Instructions for Onchain Test Kit

@copilot

Originally posted by @joe10832 in #53 (comment)