Module error_helpers 

Shared error helpers to reduce repetitive .with_context() patterns

Constants

PATCH_PARAMETER_HINT

Standard hint when the model sends a patch payload to the wrong tool.

READ_FILE_FIRST_HINT

Canonical guidance to read a file before attempting a precise edit or patch.

USE_PATCH_FOR_LARGE_EDITS

Canonical guidance for routing large edits away from edit_file.

USE_PATCH_OR_WRITE_FOR_LARGE_FILES

Canonical guidance for routing large-file edits away from edit_file.

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.