feat: enhance scraper reliability, observability and scheduling

Implement advanced UI features and export options

Implement rate limit bypass, smart fallback scraping, and price alerts

feat: prepare for hugging face deployment (docker, metadata, relative api)

feat: fresh start - repository cleanup and updated gitignore

fix(scrapers): update scraper logic and add verification tests

feat(portability): Implement PDF export using fpdf2

test(persistence): Add unit test for favorites manager and update plan

test(expansion): Add integration tests for international search

feat(expansion): Refactor for international search (Scrapers, Agent, CLI, GUI)

feat(gui): Add Favorites sidebar placeholder

style(gui): Refine Dark Mode styling and emoji icons

feat(gui): Handle search results and open report

feat(gui): Integrate HollandVacationAgent with threading

conductor(checkpoint): Checkpoint end of Phase 1

feat(gui): Implement input validation

feat(gui): Add input forms and search button

feat(gui): Create basic Tkinter GUI scaffolding with Dark Mode

feat(agent): Enforce pet filter in results aggregation

fix(scraper): Update Airbnb scraper to filter by capacity and handle nested fields

fix(scraper): Normalize Booking.com price by number of nights

docs(analysis): Record scraper analysis findings

test(scrapers): Add reproduction script to isolate scraper output