OTA Updates

Development Mode (Arduino OTA)

• Enabled via PlatformIO upload
• Password-protected
• mDNS-based discovery
• Used during firmware development

Production Mode (esp32FOTA)

• HTTP/HTTPS firmware downloads
• RSA signature verification with public key
• Firmware manifest URL for version checking
• Progress callbacks for UI updates
• Automatic rollback on boot failure

Firmware Manifest

{
  "version": "1.2.0",
  "url": "https://example.com/firmware.bin",
  "signature": "base64-encoded-signature"
}

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