use thiserror::Error;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Error, Debug)]
pub enum Error {
#[error("Collection not found: {0}")]
CollectionNotFound(String),
#[error("Collection already exists: {0}")]
CollectionExists(String),
#[error("Invalid vector dimension: expected {expected}, got {actual}")]
InvalidDimension { expected: usize, actual: usize },
#[error("Point not found: {0}")]
PointNotFound(String),
#[error("Point already exists: {0}")]
PointExists(String),
#[error("Storage error: {0}")]
Storage(String),
#[error("Persistence error: {0}")]
Persistence(String),
#[error("IO error: {0}")]
Io(#[from] std::io::Error),
#[error("Serialization error: {0}")]
Serialization(String),
#[error("Invalid configuration: {0}")]
InvalidConfig(String),
}