rbert fails to load answerdotai/ModernBERT-base

[rectalogic]

Problem

rbert fails to load https://huggingface.co/answerdotai/ModernBERT-base
It exits with Error: Failed to load config: missing field hidden_act at line 44 column 1

Steps To Reproduce

Run this:

use kalosm_model_types::FileSource;
use rbert::*;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    Bert::builder()
        .with_source(
            BertSource::default()
                .with_model(FileSource::huggingface(
                    "answerdotai/ModernBERT-base".to_string(),
                    "8949b909ec900327062f0ebf497f51aef5e6f0c8".to_string(),
                    "model.safetensors".to_string(),
                ))
                .with_tokenizer(FileSource::huggingface(
                    "answerdotai/ModernBERT-base".to_string(),
                    "8949b909ec900327062f0ebf497f51aef5e6f0c8".to_string(),
                    "tokenizer.json".to_string(),
                ))
                .with_config(FileSource::huggingface(
                    "answerdotai/ModernBERT-base".to_string(),
                    "8949b909ec900327062f0ebf497f51aef5e6f0c8".to_string(),
                    "config.json".to_string(),
                )),
        )
        .build()
        .await?;
    Ok(())
}

Expected behavior

Expected it to load.

Environment:

• Crate version: [rbert 0.4.0]
• Rust version: [1.85.0]
• OS info: [macOS]