Formatação (cargo fmt) e ajustes do clippy para o CI da 1.0.0

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/guara-core/src/source.rs

@@ -277,11 +277,13 @@ pub fn open_path(path: &Path) -> io::Result<Arc<dyn Source>> {
     let mut head = [0u8; 96];
     let got = file.read_at(0, &mut head).unwrap_or(0);
     if got >= 4 && head.starts_with(b"PK") && crate::aff4::is_aff4(&head[..got]) {
-        let a = crate::aff4::Aff4Source::open(path).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e.to_string()))?;
+        let a = crate::aff4::Aff4Source::open(path)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e.to_string()))?;
         return Ok(Arc::new(a));
     }
     if got >= 8 && crate::ewf::is_ewf_header(&head) {
-        let e = crate::ewf::EwfSource::open(path).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e.to_string()))?;
+        let e = crate::ewf::EwfSource::open(path)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e.to_string()))?;
         return Ok(Arc::new(e));
     }
     Ok(Arc::new(file))