fallback chains include v4 complement

api-resources README English

add hierarchical fallback chains registry

fix pipeline JSON parse error (strip filename line)

update unified registry: sanitize API keys, api-resources canonical

Integrate two comprehensive cryptocurrency data sources

Hugging face space pause (#122)

feat: Add 33 new free crypto resources

feat: UI improvements and error suppression - Enhanced dashboard and market pages with improved header buttons, logo, and currency symbol display - Stopped animated ticker - Removed pie chart legends - Added error suppressor for external service errors (SSE, Permissions-Policy warnings) - Improved header button prominence and icon appearance - Enhanced logo with glow effects and better design - Fixed currency symbol visibility in market tables