fix(compile): fix various compile errors

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/crates/shirabe/src/exception/irrecoverable_download_exception.rs b/crates/shirabe/src/exception/irrecoverable_download_exception.rs
index 35fd915..a8d2dbb 100644
--- a/crates/shirabe/src/exception/irrecoverable_download_exception.rs
+++ b/crates/shirabe/src/exception/irrecoverable_download_exception.rs
@@ -2,4 +2,13 @@
 
 use shirabe_php_shim::RuntimeException;
 
+#[derive(Debug)]
 pub struct IrrecoverableDownloadException(pub RuntimeException);
+
+impl std::fmt::Display for IrrecoverableDownloadException {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+impl std::error::Error for IrrecoverableDownloadException {}