Module error_helpers 

Shared error helpers to reduce repetitive .with_context() patterns

Functions

deserialize_tool_args

Deserialize JSON tool arguments into a typed struct with a consistent error message.

optional_string_field

Extract an optional string field from JSON args

require_field

Extract a required value from an Option<T>, with a consistent error message referencing the field name and tool/operation name.

require_int_field

Extract a required integer field from JSON args

require_string_field

Extract a required string field from JSON args, with a consistent error message

with_file_context

Wrap a file operation result with standardized path context. Works with any Result<T, E> where E implements std::error::Error.

with_path_context

Like with_file_context but accepts a string path instead of &Path.