FRE-4533: Merge apps/{api,web,mobile} and shared-db into ShieldAI repo

- Copy apps/api (Fastify server with spamshield/voiceprint/darkwatch services)
- Copy apps/web (SolidJS web app)
- Copy apps/mobile (SolidJS mobile app)
- Copy packages/shared-db (Prisma schema/models)
- Add apps/* to pnpm-workspace.yaml

apps/api/src/services/voiceprint/index.ts

@@ -0,0 +1,30 @@
+// Config
+export {
+  voicePrintEnv,
+  VoicePrintSource,
+  AnalysisJobStatus,
+  DetectionType,
+  ConfidenceLevel,
+  audioPreprocessingConfig,
+  voicePrintFeatureFlags,
+  voicePrintRateLimits,
+  checkFlag,
+  isFeatureEnabled,
+} from './voiceprint.config';
+
+
+
+// Services
+export {
+  AudioPreprocessor,
+  VoiceEnrollmentService,
+  AnalysisService,
+  BatchAnalysisService,
+  EmbeddingService,
+  FAISSIndex,
+  audioPreprocessor,
+  voiceEnrollmentService,
+  analysisService,
+  batchAnalysisService,
+  embeddingService,
+} from './voiceprint.service';