Invoke the ERPNext customizer agent for extending ERPNext with custom fields, hooks, fixtures, and module-specific customizations
<customization_description># ERPNext Customization You are invoking the specialized ERPNext customizer agent for extending and customizing ERPNext. ## Request $ARGUMENTS ## Agent Invocation Use the Task tool to spawn the `frappe-fullstack:erpnext-customizer` agent with the following configuration: **IMPORTANT:** The agent name MUST be fully qualified: `frappe-fullstack:erpnext-customizer` ### Agent Prompt Template ## Capabilities The erpnext-customizer agent excels at: ### Custom Fields ### Document Hooks ### Override Class ### Fixtures ### Workflows ## ERPNext Modules Reference | Module | Key ...