Function update_in_config_array 

pub fn update_in_config_array(
    config_json: &str,
    section: &str,
    field: &str,
    value: &str,
    new_item: Value,
) -> Result<String>

Update item in config array (complete replacement)

Arguments

• config_json - JSON configuration string
• section - Section name (e.g., “CFG_DSRC”, “CFG_ATTR”)
• field - Field name to match (e.g., “DSRC_CODE”, “ATTR_CODE”)
• value - Value to match
• new_item - Complete new item value (replaces old item entirely)

Returns

Modified configuration JSON string