config: extend alert window from 8pm to midnight ET

feat(tracking): store post creation time for accurate peak hour analytics

fix(analytics): correct timezone, NULL SQL handling, and junk group filtering

feat(analytics): peak hour tracking, adaptive timing, and weekly group report

refactor(orchestrator): remove Gmail scraper, use direct Facebook scraper only

feat(facebook): use fixed group config instead of dynamic discovery

feat(facebook): enable Facebook group scraper in orchestrator

fix(classifier): score direct service requests 8 minimum regardless of brevity

fix(scraper): use ISO timestamp to prevent old posts appearing as fresh leads

fix(scraper): improve Nextdoor lead capture reliability

Initial commit: AI lead monitoring system (WAT framework)