Till Wegmueller 7db68df21f Add ADR-013: Smartphone as BLE proximity token ... Phone acts as wireless smart card -- walk up to terminal, session appears; walk away, session suspends. No insertion, works from pocket. - BLE beacon with encrypted rotating session token - RSSI-based proximity detection with configurable thresholds - Anti-flapping timers: T_attach (2s) and T_detach (10s) - Security: HMAC timestamps, token rotation, optional NFC tap - Companion app (Android/iOS): one-time OIDC setup, background BLE - Implements same TokenProvider trait as smart cards (ADR-004) - NFC as explicit complement, WiFi/mDNS as software fallback		2026-03-28 23:25:54 +01:00
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adr	Add ADR-013: Smartphone as BLE proximity token	2026-03-28 23:25:54 +01:00
plans	Add greeter/session-launch architecture, clarify scope boundary	2026-03-28 21:35:18 +01:00