docs: Refresh README for Peach Sync and Android beta

@@ -1,8 +1,8 @@11 # Peach22 3-A free, open source, local-first password manager.3+A free, open source, local-first password manager for Chrome, Firefox, and Android.44 5-No servers. No subscription. No account required. Your passwords stay on your device, encrypted with AES-256-GCM and protected by Argon2id key derivation. Everything else — syncing, backup, autofill — happens without a cloud in the middle.5+Peach encrypts your vault on your device. No hosted vault, subscription, or account is required to use it.66 77 **[peachpasswords.com](https://peachpasswords.com)**88 @@ -10,49 +10,47 @@1010 1111 ## Features1212 13-- **Zero-knowledge vault** — AES-256-GCM encryption, Argon2id KDF, keys never leave your device14-- **Chirp Sync** — pairs devices over ultrasonic audio. No QR codes, no servers, no accounts15-- **Codex** — prints your encrypted vault as Aztec codes on paper. Physical offline backup16-- **Inline autofill** — fills directly in the page, no redirects17-- **TOTP built in** — two-factor codes without a separate app18-- **Canary alerts** — get notified if a saved credential is accessed19-- **One-time purchase** — $39 for Pro, yours forever13+- **Passwords, cards, and secure notes** — keep your private data together in one encrypted vault14+- **Inline autofill** — fill and save credentials without leaving the page15+- **TOTP built in** — generate two-factor codes without a separate authenticator16+- **Password health** — find weak, reused, and exposed passwords17+- **Portable backups** — export and restore with PeachScript or a `.peach` file2018 21----19+Peach Pro adds:2220 23-## Browser Extension21+- **Peach Sync** — end-to-end encrypted sync across paired devices22+- **Passkeys** — save and use passkeys in Chrome and Firefox23+- **Peach Codex** — print an encrypted, scannable backup of your vault24+- **Advanced vault health, Canary Entries, and duress tools**2425 25-Available for Chrome and Firefox.26+See the [Peach website](https://peachpasswords.com/install) for current availability and Pro details.2627 27-[Chrome Web Store](#) · [Firefox Add-ons](#)28-2928 ---3029 31-## Android30+## Install3231 33-Coming to the Play Store. Source available in this repository.32+- [Chrome and Firefox](https://peachpasswords.com/install)33+- [Android beta](https://peachpasswords.com/install/android-beta)3434 3535 ---3636 3737 ## Open Source3838 39-Peach is free and open source under the GPL v3 license. Both the browser extension and the Android app.39+Peach is released under the [GPL v3](./LICENSE). This repository contains the browser extensions and shared web application code.4040 41-The source is hosted on [Kepr](https://kepr.uk/peach) — Asha Software's own version control platform.41+The source is hosted on [Kepr](https://kepr.uk/peach), Asha Software's version control platform.4242 4343 ---4444 4545 ## Security4646 47-Peach has undergone two adversarial analysis sessions. All findings have been resolved. See [`security/`](./security/) for the full reports.47+Vault data is encrypted with AES-256-GCM and protected by Argon2id key derivation. Peach Sync authenticates paired devices and encrypts data in transit.4848 49-**Cryptographic primitives:**50-- Key derivation: Argon2id (m=64MiB, t=3, p=4)51-- Encryption: AES-256-GCM with fresh random nonces52-- Sync handshake: Noise NK / Noise XX (25519, ChaChaPoly, BLAKE2s)53-- Backup codec: GF(2⁸) Reed-Solomon with zstd compression54-- BLAKE3 checksums throughout49+Implementation details live alongside the code:5550 51+- [Cryptographic test vectors](./docs/CRYPTOGRAPHIC-TEST-VECTORS.md)52+- [WebAssembly provenance](./docs/WASM-PROVENANCE.md)53+5654 ---5755 5856 ## Building@@ -62,25 +60,7 @@6260 bun run build6361 ```6462 65-Outputs to `dist-chrome/` and `dist-firefox/`.66-67----68-69-## Contributing70-71-See [CONTRIBUTING.md](./CONTRIBUTING.md).72-73----74-75-## License76-77-GPL v3 — see [LICENSE](./LICENSE).78-79----80-81-## Peach Pro82-83-Pro features (Chirp Sync, Codex, Canary) are available for $39 one-time at [peachpasswords.com](https://peachpasswords.com). Purchasing Pro supports continued development.63+Builds are written to `dist-chrome/`, `dist-firefox/`, and `dist-mobile/`.8464 8565 ---8666