Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

crates/ruvector-tiny-dancer-core/src/error.rs

@@ -0,0 +1,62 @@
+//! Error types for Tiny Dancer
+
+use thiserror::Error;
+
+/// Result type for Tiny Dancer operations
+pub type Result<T> = std::result::Result<T, TinyDancerError>;
+
+/// Error types for Tiny Dancer operations
+#[derive(Error, Debug)]
+pub enum TinyDancerError {
+    /// Model inference error
+    #[error("Model inference failed: {0}")]
+    InferenceError(String),
+
+    /// Feature engineering error
+    #[error("Feature engineering failed: {0}")]
+    FeatureError(String),
+
+    /// Storage error
+    #[error("Storage operation failed: {0}")]
+    StorageError(String),
+
+    /// Circuit breaker error
+    #[error("Circuit breaker triggered: {0}")]
+    CircuitBreakerError(String),
+
+    /// Configuration error
+    #[error("Invalid configuration: {0}")]
+    ConfigError(String),
+
+    /// Database error
+    #[error("Database error: {0}")]
+    DatabaseError(#[from] rusqlite::Error),
+
+    /// Serialization error
+    #[error("Serialization error: {0}")]
+    SerializationError(String),
+
+    /// Invalid input
+    #[error("Invalid input: {0}")]
+    InvalidInput(String),
+
+    /// Model not found
+    #[error("Model not found: {0}")]
+    ModelNotFound(String),
+
+    /// Unknown error
+    #[error("Unknown error: {0}")]
+    Unknown(String),
+}
+
+impl From<serde_json::Error> for TinyDancerError {
+    fn from(err: serde_json::Error) -> Self {
+        TinyDancerError::SerializationError(err.to_string())
+    }
+}
+
+impl From<std::io::Error> for TinyDancerError {
+    fn from(err: std::io::Error) -> Self {
+        TinyDancerError::StorageError(err.to_string())
+    }
+}