[docs](trx-rs): add frontend styling & performance improvement analysis
Comprehensive audit of the trx-frontend-http web UI covering CSS
performance (backdrop-filter, color-mix, theme duplication), JavaScript
patterns (monolithic app.js, innerHTML usage, render path efficiency),
HTML structure, responsive design, accessibility, and server-side
delivery. Prioritised recommendations from quick wins to longer-term
architectural changes.
https://claude.ai/code/session_01M4zemxk7J2Uu7CcNkrgERD
Signed-off-by: Claude <noreply@anthropic.com>
Claude
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