Implement comprehensive notification system for LittleShop

- Add admin PWA push notifications for order management
- Integrate TeleBot customer messaging service
- Add push notification endpoints and VAPID key support
- Implement order status notifications throughout workflow
- Add notification UI components in admin panel
- Create TeleBotMessagingService for customer updates
- Add WebPush configuration to appsettings
- Fix compilation issues (BotStatus, BotContacts DbSet)
- Add comprehensive testing documentation

Features:
- Real-time admin notifications for new orders and status changes
- Customer order progress updates via TeleBot
- Graceful failure handling for notification services
- Test endpoints for notification system validation

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>

publish/telebot/appsettings.json

@@ -0,0 +1,84 @@
+{
+  "BotInfo": {
+    "Name": "LittleShop TeleBot",
+    "Description": "Privacy-focused e-commerce Telegram bot",
+    "Version": "1.0.0"
+  },
+  "BotManager": {
+    "ApiKey": "",
+    "Comment": "This will be populated after first registration with admin panel"
+  },
+  "Telegram": {
+    "BotToken": "",
+    "AdminChatId": "",
+    "WebhookUrl": "",
+    "UseWebhook": false,
+    "Comment": "Bot token will be fetched from admin panel API if BotManager:ApiKey is set"
+  },
+  "Webhook": {
+    "Secret": "",
+    "Comment": "Optional secret key for webhook authentication"
+  },
+  "LittleShop": {
+    "ApiUrl": "http://localhost:8080",
+    "OnionUrl": "",
+    "Username": "admin",
+    "Password": "admin",
+    "UseTor": false
+  },
+  "Privacy": {
+    "Mode": "strict",
+    "DataRetentionHours": 24,
+    "SessionTimeoutMinutes": 30,
+    "EnableAnalytics": false,
+    "RequirePGPForShipping": false,
+    "EphemeralByDefault": true,
+    "EnableTor": false,
+    "TorSocksPort": 9050,
+    "TorControlPort": 9051,
+    "OnionServiceDirectory": "/var/lib/tor/telebot/"
+  },
+  "Redis": {
+    "ConnectionString": "localhost:6379",
+    "InstanceName": "TeleBot",
+    "Enabled": false
+  },
+  "Database": {
+    "ConnectionString": "Filename=telebot.db;Password=;",
+    "EncryptionKey": "CHANGE_THIS_KEY_IN_PRODUCTION"
+  },
+  "Features": {
+    "EnableVoiceSearch": false,
+    "EnableQRCodes": true,
+    "EnablePGPEncryption": true,
+    "EnableDisappearingMessages": true,
+    "EnableOrderMixing": true,
+    "MixingDelayMinSeconds": 60,
+    "MixingDelayMaxSeconds": 300
+  },
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "System": "Warning"
+    },
+    "PrivacyMode": true
+  },
+  "Hangfire": {
+    "Enabled": false,
+    "DatabasePath": "hangfire.db"
+  },
+  "Cryptocurrencies": [
+    "BTC",
+    "XMR",
+    "LTC",
+    "DASH"
+  ],
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://localhost:5010"
+      }
+    }
+  }
+}