fix(preview): refine page slice breaking and height calculation for multi-page resumes

feat(export): switch resume export/import from PDF to DOCX

feat(ai): add StreamCleaner to clean suggestions output and improve prompt instructions

fix(frontend): bump style.css cache buster version to force styling refresh

fix(frontend): route to Hugging Face backend if hosted on Hostinger/non-hf domains

fix(frontend): make API_BASE dynamic and remove credentials from export preview fetch to resolve CORS/SameSite cookie issues on Hugging Face

Style Polish: white editor top bar, borderless title input, dynamic status badges, and fix PDF download filename extension

Add mobile-only auto-fit preview scaling and fullscreen check modal

Fix design customizer input/select text color to black for readability

Update Modern Blue template design and add Job Title input field

Fix resume design customization edits not applying and implement auto-save

secure: remove temporary test-keys debugging endpoint

debug: add test-keys endpoint to verify API key presence and responses on Hugging Face

fix: implement rapid failover circuit-breaker routing and OpenRouter streaming fallback to make AI suggestions instant and robust

fix: clone style and link tags in html2pdf onclone to preserve page margins, padding, and fonts in downloaded PDF

fix: restore window rendering context in html2canvas options to fix template styling, margins, and borders

fix: resolve blank PDF capture by restoring printFrame viewport visibility with opacity

fix: update Grok and OpenRouter model targets and set max_tokens to prevent 402/payment limit errors

fix: improve AI suggestion error handling and add timeout/empty response detection

fix: resolve PDF left-clipping issue in html2canvas capture

Update frontend AI fetch and PDF sizing

Update OpenRouter free model

Fix PDF download by reverting to html2pdf with proper scaling

Update to Node 22

Fix npm ci error

Add Hugging Face config to README

Auto seed database on startup for Hugging Face

Initial commit with LFS enabled