Prepare application for production deployment with enhanced voice features

Adds production environment configuration, global type declarations, and enhances voice recognition error handling and result processing.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ff0be73b-afdd-4747-978b-bb8301fb0a82
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/4b7360ad-65af-421c-ae9c-12d0b5534ad8.jpg

.env.production

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+# Production Environment Configuration
+NODE_ENV=production
+PORT=5000
+
+# Database Configuration (will be set by deployment platform)
+DATABASE_URL=
+
+# Security Configuration
+SESSION_SECRET=your-production-session-secret-here
+BCRYPT_ROUNDS=12
+
+# API Keys (to be provided via deployment secrets)
+ANTHROPIC_API_KEY=
+OPENAI_API_KEY=
+
+# Application Configuration
+APP_NAME=MenAssist
+APP_VERSION=1.0.0
+CORS_ORIGIN=https://your-domain.replit.app
+
+# Voice Processing Configuration
+VOICE_ENABLED=true
+TTS_ENABLED=true
+VOICE_TIMEOUT=30000
+
+# AI Configuration
+AI_ENABLED=true
+AI_MODEL_PATH=./models/ai/base-llm
+DAILY_JOKE_CACHE_TTL=86400
+
+# Logging Configuration
+LOG_LEVEL=info
+LOG_FORMAT=json
+
+# Performance Configuration
+CACHE_TTL=3600
+MAX_UPLOAD_SIZE=10mb
+REQUEST_TIMEOUT=30000