Initial commit: breakpilot-lehrer - Lehrer KI Platform

Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website,
Klausur-Service, School-Service, Voice-Service, Geo-Service,
BreakPilot Drive, Agent-Core

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

studio-v2/lib/voice/index.ts

@@ -0,0 +1,13 @@
+/**
+ * Voice Service Library
+ * Client-side voice streaming and encryption
+ */
+
+export { VoiceAPI, type VoiceSession, type VoiceTask } from './voice-api'
+export {
+  VoiceEncryption,
+  generateMasterKey,
+  generateKeyHash,
+  encryptContent,
+  decryptContent,
+} from './voice-encryption'