1 files changed, 17 insertions, 6 deletions

diff --git a/src/errors.rs b/src/errors.rs
index c167733..b98ae2d 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,20 +1,31 @@
 use std::{fmt, io};
 
+use fmt::{Display, Formatter, Result};
+use zip::result::ZipError;
+
+/// Represents all possible errors that can occur in the DML launcher.
+///
+/// This enum centralizes error handling for the entire application,
+/// wrapping various underlying error types from I/O, HTTP requests,
+/// JSON parsing, ZIP extraction, configuration issues, and runtime errors.
 #[allow(dead_code)]
 #[derive(Debug)]
 pub enum McError {
     Io(io::Error),
     Http(reqwest::Error),
     Json(serde_json::Error),
-    Zip(zip::result::ZipError),
+    Zip(ZipError),
     Config(String),
     ShaMismatch(String),
     Process(String),
-    Runtime(String), // ← NEW
+    Runtime(String),
 }
 
-impl fmt::Display for McError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{:?}", self) }
+impl Display for McError {
+    /// Formats the error for user-friendly display.
+    ///
+    /// Currently, it uses the `Debug` format for simplicity.
+    fn fmt(&self, f: &mut Formatter<'_>) -> Result { write!(f, "{:?}", self) }
 }
 
 impl From<io::Error> for McError {
@@ -29,6 +40,6 @@ impl From<serde_json::Error> for McError {
     fn from(e: serde_json::Error) -> Self { Self::Json(e) }
 }
 
-impl From<zip::result::ZipError> for McError {
-    fn from(e: zip::result::ZipError) -> Self { Self::Zip(e) }
+impl From<ZipError> for McError {
+    fn from(e: ZipError) -> Self { Self::Zip(e) }
 }