import re
import os

def insert_prop(filepath, prop_name):
    with open(filepath, 'r') as f:
        content = f.read()
    
    # Find the interface declaration and insert `eyebrow?: string | null`
    content = re.sub(r'(export interface \w+Props \{)', r'\1\n  eyebrow?: string | null', content)
    
    with open(filepath, 'w') as f:
        f.write(content)

insert_prop('src/blocks/Eligibility/Component.tsx', 'eyebrow?: string | null')
insert_prop('src/blocks/ServicesDetailed/Component.tsx', 'eyebrow?: string | null')
insert_prop('src/blocks/Stats/Component.tsx', 'eyebrow?: string | null')