fix: correct MLScientist country CSS class check

feat: fix location filtering bugs + add scholarshipdb and nature.com scrapers

refactor: reorganize agent/ into functional subfolders + split prompts

test: add 109 unit tests + fix postdoc/phd classification bug

refactor: centralize prompts, remove model selector, clean README

fix: surface LLM error message instead of silently returning score=0

feat: filter stale jobs and add freshness indicator

feat: sort jobs by posting date + remove DuckDuckGo

feat: remove DuckDuckGo scraper and 'any' position type; add docs link to README

refactor: full OOP redesign of agent architecture

feat: add Groq backend as primary free inference provider

fix: improve match scoring — semantic reasoning, short-description tolerance

feat: make all scored positions reviewable, not just those above min_score

refactor: remove dead code, extract shared job helpers

fix: repair mlscientist scraper and field filter

fix: field filter uses AND logic on words instead of OR

feat: add predoctoral position type

fix: post-filter results to require field keyword in title or description

fix: always post-filter Euraxess results by country

fix: retry HF inference on 503/502/529 with exponential backoff

fix: replace FindAPhD (403/Cloudflare) with Euraxess scraper

feat: add mlscientist.com scraper; remove map from UI

fix: improve DuckDuckGo search — filter 2026 calls, better queries

feat: location dropdown with interactive Leaflet map (Nominatim reverse geocoding)

feat: add targeted DuckDuckGo web search for open positions by field and country

feat: use findaphd.com/non-phd-research for postdoc/fellowship/research_staff positions

fix: remove Euraxess, skip jobs.ac.uk for non-UK locations to avoid UK-only results

refactor: replace DuckDuckGo/AcademicPositions with better academic scrapers; fix jobs.ac.uk selectors; add position_type facet filtering

fix: use chat_completion instead of text_generation for huggingface_hub 1.x

refactor: OOP redesign — JobAgent orchestrator, shared utils, no global state mutation

fix: upgrade gradio to v5 for Python 3.13 compatibility