chore: establish development baseline

crates/bat-assetbundle/src/error.rs

@@ -0,0 +1,26 @@
+//! AssetBundle 错误类型定义
+
+use thiserror::Error;
+
+/// AssetBundle 错误类型
+#[derive(Error, Debug)]
+pub enum AssetBundleError {
+    /// IO 错误
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+
+    /// 解析错误
+    #[error("Parse error: {0}")]
+    Parse(String),
+
+    /// 不支持的格式
+    #[error("Unsupported format: {0}")]
+    UnsupportedFormat(String),
+
+    /// 其他错误
+    #[error(transparent)]
+    Other(#[from] anyhow::Error),
+}
+
+/// AssetBundle Result 类型
+pub type Result<T> = std::result::Result<T, AssetBundleError>;