feat: align candidate relevance ranking & implement robust Turbo Mode fallback

Fix remote candidate search returning 0 results by mapping preferred_work_mode

fix: app.py scoping error + new Sage+Terracotta theme

feat: complete UI redesign with pastel purple/orange theme

UI: zero gradients, peaceful warm palette, borders for elevation

UI redesign: pastel theme, premium card design, progressive loading

feat: final smoke-test fixes + spectacular README + UI bugfixes

feat(ui): wire search filters from Gradio UI to the orchestrator

chore: fix all ruff lint errors (174 -> 0), clean up unused imports/vars, fix line lengths

Fix cross-encoder loading, add offline mode, improve simple query detection

fix: add sys.path for direct execution, fix Gradio 6.0 API change

fix: improve UI robustness and test quality

Overhaul: Plackett-Luce ranking, PII anonymization, live fairness dashboard + LLM-free fallback agents

feat(extraction): add FieldExtractor pipeline, ProfileStore with lazy loading, and skill matching

feat(ui): wire search pipeline, add scoring sliders, fix infinite replan loop

feat: Phase 11 Gradio UI — search tab, analytics dashboard, about page

chore: create directory structure with __init__.py files and placeholder scripts