mig-bo4e 0.1.56

Declarative TOML-based MIG-tree to BO4E mapping engine
Documentation 
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use thiserror::Error;

#[derive(Error, Debug)]
pub enum MappingError {
    #[error("TOML parse error in {file}: {message}")]
    TomlParse { file: String, message: String },

    #[error("Invalid mapping path '{path}' in {file}: {reason}")]
    InvalidPath {
        path: String,
        file: String,
        reason: String,
    },

    #[error("Unknown handler '{name}' referenced in {file}")]
    UnknownHandler { name: String, file: String },

    #[error("Missing required field '{field}' during mapping")]
    MissingField { field: String },

    #[error("Type conversion error: {0}")]
    TypeConversion(String),

    #[error("IO error: {0}")]
    Io(#[from] std::io::Error),

    #[error("TOML deserialization error: {0}")]
    Toml(#[from] toml::de::Error),

    #[error("Cache write error: {path} — {message}")]
    CacheWrite { path: String, message: String },

    #[error("Cache read error: {path} — {message}")]
    CacheRead { path: String, message: String },
}