Add /ingest/file download endpoint (original PDF or .md)

Enrich ingest: paper title/abstract previews + /ingest/md viewer endpoint

Add PDF ingest endpoints (/ingest/pdf, /ingest/list)

Add full favicon set for Google Search and PWA support

Flag: change recipient to k2433130@kingston.ac.uk, add file download

Move flag button to header row — compact icon with modal form

Add flag prediction feature — sends email report to Mahan

Remove Squarate/Amine subtitles — labels now just SM1 and SM2

Add chemical rationale to each reference reaction

Add Go Back button on left side of submit row

Fix Submit button size change on hover — use absolute arrow

Add fade-in arrow icon on Submit button hover

Add ?wake test param to simulate sleeping backend overlay

Add backend wake-up overlay for sleeping HF Space

Rename predict.html → predict-panel.html for clean URL /predict-panel

Add Vercel cleanUrls config — remove .html from page URLs

Rename predict.html tab title to Chemdem · Predict

Pin CDN versions to fix Babel ESM compilation error

Fix JSX syntax error crashing predict.html — add favicon to all pages

Add JotForm feedback button — floating bottom right

Fix reaction preview box alignment — fixed minHeight on all columns

Fix dropdown using position:fixed to escape overflow:hidden container

Fix dropdown clipping — overflow visible + higher zIndex

Fix black line on input fields — remove borderBottom override

Remove emoji from login page badge

Use real Chemdem SVG logo on login page

Add login page — username: chemdem, password: wrenlab2026

Add stats bar + key findings section with real SAR data from dataset

Restore all sections with accurate Chemdem content and real research data

Keep hero section only — remove all sections below, add SEO meta tags

Switch backend URL to Hugging Face Space (free, 24/7)

Add HF Spaces README configuration

Use port 7860 default for HF Spaces, PORT env var for Railway

Link landing page buttons to predict.html app

Point frontend to Railway production backend

Hardcode port 8000 — remove PORT env variable dependency

Remove healthcheck — let Railway use process-based health monitoring

Use Railway $PORT env variable for dynamic port binding

Increase healthcheck timeout to 300s for RDKit startup

Add Dockerfile and railway.toml for Railway deployment

Fix EWG SMARTS parse error, bis-squaramide SMILES, and validation warnings UI

Add full project source: backend, landing UI, data, app skeleton

Add CLAUDE.md with project architecture and dev guidance