Fix nested expander: show reason/snippet inline inside criteria toggle

Two UI changes: criteria delete button and bidder toggle

Dark/light mode compatibility: replace hardcoded colors with CSS vars and rgba

Fix ChromaDB tenant error; add real CRPF tenders; update Tab 2

UI revamp: inline styles throughout, Inter font, reliable badge system

Final sweep: beautiful UI, pitch deck, HF README, ARCHITECTURE.md

Add Interpretability tab, fix mandatory verdict logic, demo reset, UI polish

Step 12: UI tabs — full bidder evaluation, review queue, audit log, overview

Step 6: criteria extractor, audit, fallback, and Tab 2 wiring

Step 1: project skeleton — all stubs, directory structure, and entry point