merge branches and cleanup db

_archive/herodb_old/src/error.rs

@@ -0,0 +1,23 @@
+use thiserror::Error;
+
+/// Error type for HeroDB operations
+#[derive(Error, Debug)]
+pub enum Error {
+    #[error("Database error: {0}")]
+    DbError(#[from] crate::db::error::DbError),
+    
+    #[error("I/O error: {0}")]
+    IoError(#[from] std::io::Error),
+    
+    #[error("Serialization error: {0}")]
+    SerializationError(#[from] bincode::Error),
+    
+    #[error("OurDB error: {0}")]
+    OurDbError(#[from] ourdb::Error),
+    
+    #[error("General error: {0}")]
+    GeneralError(String),
+}
+
+/// Result type for HeroDB operations
+pub type Result<T> = std::result::Result<T, Error>;