Function load_all_traces 

pub fn load_all_traces(
    db_path: impl AsRef<Path>,
) -> Result<Vec<Trace>, StoreError>

Load every trace from the database in insertion (chain) order — used by tests and operators to verify the hash chain with firstpass_core::verify_chain.

Errors

Returns StoreError::Sqlite on a database error, or StoreError::Json if a stored row is not valid trace JSON.