Function decode_framed 

pub fn decode_framed(encoded: &str) -> Result<Vec<u8>, SchemaError>

Remove frame delimiters and decode display96 back to binary

Errors

• Returns InvalidFrame if delimiters are missing or malformed
• Returns InvalidCharacter if non-alphabet chars are found

Example

let framed = "𓍹{base96_content}𓍺";
let binary = decode_framed(framed)?;