fix: retrospective agent evaluated wrong month and crashed; persist its analysis to Reports tab

fix: replace @nestjs/schedule with node-cron to fix HF startup crash

feat: add NestJS in-process scheduler to replace unreliable GitHub cron

fix: PDF proxy, 0-qty positions, portfolio chart dedup, SQLite UTC dates

fix: correct UTC timestamp parsing — pg treated bare timestamps as local time

Replace ServeStaticModule with plain Express middleware for SPA routing

Fix ServeStaticModule renderPath for Express 5 / path-to-regexp v8

Fix SPA refresh 500 and agent trigger error handling

Add GitHub Actions CI/CD, HF Space deployment, market hours guard, and static serving