fix: Implement real salary parsing + fix normalize_salary stub"

feat: 🕷️ SmartJobSearch - searches ALL sources with params, no URL needed

feat: Add RSS/Atom feed parser for job boards and Google Jobs RSS integration

feat: Add LLM-powered job extraction for pages that resist pattern matching

feat: Add universal web scraper - scrapes ANY career page with intelligent extraction

feat: Add Resume Builder, Profile Editor, Settings, Job Detail, and more scrapers (Workday, SmartRecruiters, schema.org)

feat: Complete project scaffold - backend (FastAPI) + frontend (Next.js 15) + scraper + LLM gateway