Use exact AES-GCM bounds and model random ChaCha20-Poly1305 nonces

Refine limit derivations and recommendation wording

Add plain-English recommendation panel and target presets

Drop the AEGIS specification clause from the intro

Add random-nonce mode, per-key message limit, and deep links

Tighten AEGIS limit derivations

Model 256-bit tag variants as first-class algorithms

Refine AEGIS 256-bit tag claims and random-nonce guidance

Update limit engine and UI

Delete files style.css with huggingface_hub

Describe the space

Add AEAD limits computation script

Add interactive AEAD usage limits explorer

initial commit