qa and review

src/error_logger.rs

@@ -30,12 +30,22 @@ pub fn log_error(
         status_code,
     };
 
-    let line = serde_json::to_string(&entry).unwrap_or_default() + "\n";
+    let line = match serde_json::to_string(&entry) {
+        Ok(json) => json + "\n",
+        Err(e) => {
+            log::error!("Failed to serialize error entry: {}", e);
+            return;
+        }
+    };
 
     if let Ok(mut file) = OpenOptions::new().append(true).create(true).open(log_path) {
-        let _ = file.write_all(line.as_bytes());
-        let _ = file.flush();
+        if let Err(e) = file.write_all(line.as_bytes()) {
+            log::error!("Failed to write error log: {}", e);
+        } else {
+            let _ = file.flush();
+            log::info!("LOGGED ERROR [{}]: {}", error_type, message);
+        }
+    } else {
+        log::error!("Failed to open error log file: {}", log_path.display());
     }
-
-    println!("  LOGGED ERROR [{}]: {}", error_type, message);
 }