- **src/wrapper.rs**, **src/persistence.rs** - **Issue:** Uses `.unwrap()` and `.expect()` heavily. If a file is missing or corrupt, the whole application crashes. - **Fix:** Return `Result<T, E>` everywhere and propagate errors to the caller (especially important for Python bindings).
.unwrap()and.expect()heavily. If a file is missing or corrupt, the whole application crashes.Result<T, E>everywhere and propagate errors to the caller (especially important for Python bindings).