ctxpack 0.1.0

Configuration-driven source packing for LLM context, with a versioning protocol for incremental patch/replace
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pub mod cache;
pub mod fid;
pub mod state;

use sha2::{Digest, Sha256};

pub fn compute_hash(content: &str) -> String {
    let mut hasher = Sha256::new();
    hasher.update(content.as_bytes());
    let result = hasher.finalize();
    format!("sha256:{}", hex::encode(result))
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_hash_deterministic() {
        let h1 = compute_hash("hello world");
        let h2 = compute_hash("hello world");
        assert_eq!(h1, h2);
        assert!(h1.starts_with("sha256:"));
    }

    #[test]
    fn test_hash_different_inputs() {
        let h1 = compute_hash("hello");
        let h2 = compute_hash("world");
        assert_ne!(h1, h2);
    }
}