"""
Add start_time field to Dispatch Job doctype
"""
import frappe

def run():
    meta = frappe.get_meta('Dispatch Job')
    if meta.has_field('start_time'):
        print("✓ Field 'start_time' already exists on Dispatch Job")
        return

    doc = frappe.get_doc('DocType', 'Dispatch Job')
    doc.append('fields', {
        'fieldname': 'start_time',
        'fieldtype': 'Time',
        'label': 'Heure de début',
        'insert_after': 'scheduled_date',
    })
    doc.save(ignore_permissions=True)
    frappe.db.commit()
    print("✓ Field 'start_time' added to Dispatch Job")

run()