render 404, 405, and malformed-request errors as styled html pages instead of json

render a friendly html error instead of a json 422 when the compare or tax form is submitted empty

add optional cloudflare web analytics and suppress keep-alive pings from access logs

raise test coverage to 100% (152 tests)

serve pairs from per-city index (numbeo rankings): 361 cities, up to 10/country, all 92 capitals; myanmar->yangon

serve cross-country comparisons from an offline numbeo cache

switch numbeo scraper to curl_cffi with chrome tls impersonation

harden numbeo fetch with browser headers, cookie priming and retry

add landing page; move relocation calculator to /relo and add tool nav

add take-home pay estimator: tax module, cited rate data, page and tests

accept HEAD on / so platform health checks pass

add integration, regression and security test layers

add test suite covering model, fx, currencies, scraping and endpoints