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//! Error types for `AgentMemory` operations.
use super::snapshot::SnapshotError;
use thiserror::Error;
/// Error variants returned by agent memory operations.
#[derive(Debug, Error)]
pub enum AgentMemoryError {
/// Returned when a memory subsystem collection cannot be created or opened.
#[error("Failed to initialize memory: {0}")]
InitializationError(String),
/// Returned when an underlying collection operation fails.
#[error("Collection error: {0}")]
CollectionError(String),
/// Returned when a requested memory entry does not exist.
#[error("Item not found: {0}")]
NotFound(String),
/// Returned when a provided embedding dimension does not match the stored dimension.
#[error("Invalid embedding dimension: expected {expected}, got {actual}")]
DimensionMismatch {
/// Expected embedding dimension.
expected: usize,
/// Actual embedding dimension provided.
actual: usize,
},
/// Returned when a core database error propagates from the storage layer.
#[error("Database error: {0}")]
DatabaseError(#[from] crate::error::Error),
/// Returned when a snapshot operation fails.
#[error("Snapshot error: {0}")]
SnapshotError(String),
/// Returned when an IO error occurs during snapshot persistence.
#[error("IO error: {0}")]
IoError(String),
}
impl From<SnapshotError> for AgentMemoryError {
fn from(e: SnapshotError) -> Self {
Self::SnapshotError(e.to_string())
}
}
impl From<std::io::Error> for AgentMemoryError {
fn from(e: std::io::Error) -> Self {
Self::IoError(e.to_string())
}
}