Module settings 

Settings file I/O for reading/writing Claude Code configuration.

Translated from TypeScript settings.ts Provides get_settings_for_source() and update_settings_for_source() for reading and persisting settings to JSON files.

Re-exports

pub use crate::services::mcp::ConfigScope;

Modules

permission_validation

Validates permission rule format and content.

settings_cache

In-memory cache for settings data.

tool_validation_config

Tool validation configuration for permission rule patterns.

validation

Settings validation - parses and validates settings JSON files.

Enums

EditableSettingSource

Editable setting sources that can be read from and written to disk.

SettingSource

All setting sources including non-editable ones

Functions

add_directories_to_settings

Manage additional directories in settings

add_permission_rules_to_settings

Add permission rules to settings file. This is the core persistence function called by persist_permission_update.

get_settings_file_path_for_source

Get the file path for a given settings source. Returns None for sources without a file path.

get_settings_for_source

Get settings for a source by reading from disk. Returns None if the settings file doesn’t exist or is invalid.

read_settings_file

Read settings JSON from a file. Returns None if file doesn’t exist or can’t be read.

remove_directories_from_settings

Remove directories from settings

remove_permission_rules_from_settings

Remove permission rules from settings file.

replace_permission_rules_in_settings

Replace all permission rules for a behavior in settings file.

set_permission_mode_in_settings

Set permission mode in settings

update_settings_for_source

Merge settings into the existing settings file for source. Creates the directory and file if they don’t exist. Returns Err on I/O or JSON parse errors.