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Commit History
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Add benchmark mode: freeze system date to 2026-04-01 for deterministic behavior
Set BENCHMARK_PASSCODE env var to any non-empty value to activate. All backend date.today()/datetime.utcnow() calls and frontend default dates lock to Apr 1 2026, making prices and search windows reproducible. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>bc18056
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Fix booking price mismatch: carry selected price through to payment
Round-trip same-airline discount and fare tier multiplier were lost between flight selection and the booking/payment pages. Now the computed price (with discounts) is passed from ResultsPage through BookingOptionsPage to the backend booking API. Also includes multi-city support, search form improvements, and rebuilt frontend dist. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>587a735
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Add connection-type MCT, overnight/short-connection warnings
Backend: - Replace single MIN_LAYOVER_MINUTES with MIN_CONNECTION_MINUTES dict keyed by (domestic/international) pair: D-D 45m, D-I 75m, I-D 90m, I-I 120m - Compute is_overnight per segment using timezone-aware .date() comparison (arrival_dt.date() != departure_dt.date() on ZoneInfo-aware datetimes) - Add LayoverInfo model with duration, overnight, short_connection flags - Compute layover warnings server-side using local dates at the hub airport - Add SHORT_CONNECTION_MINUTES=90 threshold to config Frontend: - Add Google Flights-style amber warnings in expanded flight detail: segment "Overnight", layover "Overnight layover", "Short connection" - Use backend-provided warnings instead of client-side date comparison - Remove unused getBadgeColor function (fixed TS build error) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>d6def07
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Fix geolocation to resolve public IP for localhost/LAN clients
When the client IP is private (127.0.0.1, 192.168.x.x, etc.), the geolocation endpoint now discovers the server's public IP via api.ipify.org before querying ip-api.com. This fixes the issue where local development always fell back to New York. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>a67b60b -
Fix destination section alignment, add cheapest-date search, dynamic origin
- Align all sections to max-w-4xl (was max-w-6xl for destinations, max-w-3xl for FAQ) - Backend: scan next 90 days for cheapest price per route, return cheapest_date - Frontend: clicking a destination fills departure date and navigates to results - Add dynamic origin selector above destinations — click to search any airport - Origin defaults from geolocation IP but can be changed interactively - Prices now show "Lowest fares in the next 3 months" instead of a fixed 14-day price Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>d8c3cfa -
Add backend endpoints for currency, geolocation, and destinations
- Add EXCHANGE_RATES (~35 currencies), CURRENCY_SYMBOLS, and COUNTRY_CURRENCY_MAP to config.py - Create /api/currency/rates endpoint returning exchange rates - Create /api/geolocation endpoint using ip-api.com for IP-based location + nearest airports - Create /api/destinations/popular and /api/destinations/cheap-flights endpoints - Register new routers in main.py and exempt from passkey middleware - Add httpx dependency for async HTTP calls Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>8ae2973
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Add round-trip date validation and 12-month booking window
- Return date picker constrained to >= departure date, auto-adjusts if departure moves past it - Return flights filtered to depart at least 1 hour after outbound arrival - Both date pickers capped at 12 months from today - Backend validates return date >= departure date and 12-month max window Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>73a6301 -
Fix auth cookie not sent in HF Spaces iframe context
Set SameSite=None and Secure=True so the cookie is included in cross-origin iframe requests (huggingface.co embeds the app from fyliu-flight-search.hf.space). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>92c97ae -
Fix auth token invalidated on server restart
Derive AUTH_TOKEN deterministically from passkey via SHA-256 instead of secrets.token_hex(), so the cookie survives process restarts and redeployments on HF Spaces. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>53f18bf -
Add flight booking flow with payment validation
- Backend: booking store with cardholder-based payment validation, generic error messages, flexible expiry format (1227 / 12/27) - Frontend: BookingPage, ConfirmationPage, booking API client - Wire up Book button in FlightCard for one-way and round-trip flows - Also includes short-distance surcharge and advance pricing tweaks Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>d6f7eeb -
Add HF Spaces deployment config and passkey auth
- Update Dockerfile to use $PORT env var (default 7860 for HF Spaces) - Add HF Spaces README.md with Docker SDK metadata - Add passkey authentication gate (backend + frontend) - Update frontend components Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>6bb015e
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Add Google Flights-style step-based round-trip booking flow
Replace outbound/return toggle with a two-step selection flow: users first pick a departing flight (showing "from $X round trip" preview prices), then see return flights priced as round-trip totals with same-airline discounts applied per-selection rather than blanket. Backend: move same-airline discount (0.92x) from server-side blanket application to client-side per-selection; return discount rate in API. Frontend: add step breadcrumb, SelectedFlightBanner, pricing utilities, and round-trip-aware sorting. One-way searches unaffected. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>c090f53 -
Fix local-time display bug, add Asia departure patterns, popularity extension
Major bug fix: formatTime/formatDate/dayDiff/departure-time-filter all used new Date() which converts to browser timezone. Now extract time directly from ISO strings to preserve airport local timezone. Backend fixes: - Add "asia_to_eu" departure weights (23:00-02:30 late-night pattern) - Fix "asia_to_na" to peak in afternoon (12-3 PM) not evening - Overnight-exempt routes skip popularity window and curfew - Popularity latest-hour gets random +0-1.5h extension Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>9d442c9 -
Add realistic departure time distributions by route type
Replace uniform 5AM-11PM random departure times with weighted hourly distributions based on route type: - NA→EU: evening departures (5-10 PM peak) - EU→NA: morning departures (8 AM-2 PM peak) - NA→Asia: late morning/afternoon (11 AM-4 PM peak) - Domestic: morning + evening rush pattern - Default intercontinental: daytime bell curve Also adds: - Airport curfew: midnight-6AM nearly eliminated at small airports - Popularity scaling: fewer carriers = tighter 7AM-9PM window - Hub airport bonus: major airports generate more flights - Hub airline weighting: carriers with more routes from origin are selected more frequently (sqrt scaling) - Per-route jitter (±20%) on hourly weights for variety Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>a8b86e5 -
Add flight amenities: legroom, WiFi, power/USB, video per segment
Generate amenities deterministically based on aircraft type, cabin class, and flight distance. Shown in Google Flights-style right-side panel in the expanded flight card view, with icons and strikethrough for unavailable. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>ab345fa -
Add Google Flights-style "Best/Other" sections, emissions, rich detail view
Backend: - Add emissions_kg to FlightOffer (ICAO methodology: 0.09 kg/km economy, scales by cabin class) - Add is_best flag: top 3 flights by composite score (45% price + 35% duration + 20% stops) tagged as "best departing flights" - New config constants for emissions rates and best-flight weights Frontend — Google Flights-inspired redesign: - "Best departing flights" section (top 3) with info tooltip explaining ranking methodology, separated from "Other departing flights" by horizontal divider - Flight card shows: dep-arr times, airline names, duration, stops, layover airports, CO2 emissions per passenger, price, cabin class - Expanded detail view with timeline UI: departure/arrival cities with times, travel time per segment, airline + flight number + aircraft, layover duration and airport in styled box, total travel time and emissions summary at bottom - All elements have data-testid attributes Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>8c371f4 -
Fix time+1 wrapping, add airline discount pricing, document fare engine
Frontend: - Add whitespace-nowrap to arrival time so "+1" never wraps to next line Pricing — three new itinerary-level discounts: - Same-airline connection: all segments on same carrier gets extra 12% off (stacks with 25% base connection discount for ~34% total savings) - Round-trip same-airline: return flights sharing a carrier with any outbound flight get 8% off (bundled round-trip fare simulation) - All constants documented in config.py with rationale Documentation: - Rewrote price_engine.py with comprehensive docstring covering: base fare formula, all 7 per-flight multipliers with exact values, 3 itinerary-level discounts, and calendar pricing methodology Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>4c96466 -
Fix 500 error on routes with empty carriers, align flight results grid
- Skip 353 routes with empty carrier lists during data loading - Add safety guard in flight_generator for empty carriers - Rewrite FlightCard to use CSS grid for consistent vertical alignment of departure, duration, arrival, airline, price, and chevron columns - Make every flight card row clickable with expand arrow (not just connecting flights) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>84c4785 -
Add flight booking website (Google Flights clone)
Full-stack flight search app for computer-use agent testing: - Backend: FastAPI with deterministic pricing engine, route finder (direct + 1-stop + 2-stop via hub detection), timezone-aware flight generation, airport autocomplete, calendar pricing - Frontend: React + TypeScript + Tailwind CSS with search form, autocomplete, results page, filters, sorting, URL-driven state - Docker: Multi-stage build (Node frontend → Python backend) - Data: 3,770 airports, 55,627 routes, 604 airlines from airline_routes.json loaded in-memory (~21 MB) - All elements have data-testid attributes for agent testing - Same search params always produce same results (SHA-256 seeded) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>2e50ccd