docs: update AGENTS.md and README.md with favorites sync, expired listings flow, token refresh

README.md

@@ -154,7 +154,8 @@ dgray/
 │   │   ├── crypto.js       # NaCl Encryption (box.before + secretbox)
 │   │   ├── currency.js     # XMR/Fiat Umrechnung
 │   │   ├── pow-captcha.js  # PoW Captcha (Server-first, lokaler Fallback)
-│   │   └── btcpay.js       # BTCPay Server Integration (Invoice, Checkout)
+│   │   ├── btcpay.js       # BTCPay Server Integration (Invoice, Checkout)
+│   │   └── favorites.js    # Favoriten (localStorage + Directus Sync)
 │   ├── vendor/
 │   │   ├── nacl-fast.min.js    # TweetNaCl (self-hosted)
 │   │   ├── nacl-util.min.js    # TweetNaCl Utils
@@ -213,6 +214,7 @@ dgray/
 - [x] Chat-System (E2E-verschlüsselt mit NaCl box.before + secretbox)
 - [x] Conversations/Messages Services
 - [x] Merkliste (Favoriten-Seite)
+- [x] Favoriten Directus-Sync (Union-Merge bei Login, localStorage-Fallback)
 - [x] PoW Captcha (server-seitig via pow.dgray.io, HMAC-signiert)
 - [x] TweetNaCl self-hosted (kein CDN)
 - [ ] Benachrichtigungen (Push)
@@ -223,6 +225,8 @@ dgray/
 - [x] BTCPay Server Integration (`pay.xmr.rocks`, Proxy auf `pow.dgray.io`)
 - [x] Listing-Gebühr: 1 EUR/USD/CHF/GBP (200 JPY) via Monero
 - [x] Webhook für Auto-Publish nach Blockchain-Confirmation
+- [x] Expired Listings (Directus Flow, Status-Badges auf Cards)
+- [x] Token-Refresh bei Tab-Visibility-Change
 - [ ] Wallet-Anbindung (monero-wallet-rpc)
 - [ ] MultiSig Escrow