import json
import re

with open('resources/data_work_item_link/work_item_link_2026-01-01.json', 'r', encoding='utf-8') as f:
    data = json.load(f)

links = data.get('links', [])
print(f"Total links: {len(links)}")

const_keys = set()
for link in links:
    ck = link.get('const_key')
    if ck:
        const_keys.add(ck)

print(f"Unique const_keys: {len(const_keys)}")
for ck in sorted(const_keys):
    print(ck)