Replace source_host column with proper FK to domains table using composite key (domain_host, domain_tld). This enables JOIN queries instead of string concatenation for domain lookups. Changes: - Update Feed struct: SourceHost/TLD → DomainHost/DomainTLD - Update all SQL queries to use domain_host/domain_tld columns - Add column aliases (as source_host) for API backwards compatibility - Update trigram index from source_host to domain_host - Add getDomainHost() helper for extracting host from domain Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
751 B
751 B