Sterister
a60ff9d6e8
ShadeSessionManager wraps X3DH + Double Ratchet into a simple API: - initialize(), createPreKeyBundle(), encrypt(), decrypt() - Automatic PreKeyMessage for first message, RatchetMessage after - Signed prekey rotation, multi-peer sessions, one-time prekey mgmt - Interactive demo.ts showing full frontend↔backend E2EE flow 80 tests, 0 failures across M1-M4. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>