Implement advanced UI features and export options

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

feat: implement web dashboard with fastapi backend and interactive frontend

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

feat(persistence): Add favorites manager and integrate into GUI

test(expansion): Add integration tests for international search

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

Initial commit of existing code

chore(conductor): Archive track 'Implement Interactive Tkinter GUI'

docs(conductor): Synchronize docs for track 'Implement Interactive Tkinter GUI'

chore(conductor): Mark track 'Implement Interactive Tkinter GUI' as complete

conductor(plan): Mark phase 'Polish and Favorites Placeholder' as complete

conductor(plan): Mark task 'Add Favorites Sidebar' as complete

conductor(plan): Mark task 'Style the Application' as complete

conductor(plan): Mark phase 'Agent Integration' as complete

conductor(plan): Mark task 'Handle Search Results' as complete

conductor(plan): Mark task 'Connect GUI to Agent' as complete

conductor(plan): Mark phase 'Prototype and Basic Structure' as complete

conductor(checkpoint): Checkpoint end of Phase 1

conductor(plan): Mark task 'Implement Input Validation Logic' as complete

conductor(plan): Mark task 'Implement Input Forms' as complete

conductor(plan): Mark task 'Create GUI scaffolding' as complete

feat(conductor): Create track 'Implement Interactive Tkinter GUI'

chore(conductor): Archive track 'Fix Data Integrity Issues'

docs(conductor): Synchronize docs for track 'Fix Data Integrity Issues'

chore(conductor): Mark track 'Fix Data Integrity Issues' as complete

conductor(plan): Mark phase 'Integration and Verification' as complete

conductor(plan): Mark E2E verification as complete

conductor(plan): Mark task 'Enforce Pet Filter Validation' as complete

conductor(plan): Mark phase 'Scraper Fixes' as complete

conductor(plan): Mark task 'Update Airbnb Scraper' as complete

conductor(plan): Mark task 'Update Booking.com Scraper' as complete

conductor(plan): Mark phase 'Diagnosis and Validation' as complete

conductor(checkpoint): Checkpoint end of Phase 1

conductor(plan): Mark analysis tasks as complete

conductor(plan): Mark task 'Create a reproduction script' as complete

conductor(setup): Add conductor setup files