FICTIONAL DATASET - Demonstration only; NOT client work or a paid transaction.
All names are invented; example.com/example.org are reserved for examples and US 202-555-01xx numbers are fictional-use numbers.
Inputs: contacts_a.csv and contacts_b.csv (8 rows). Clean output: clean_contacts.csv (4 rows). audit.json records decisions.
Results: 4 accepted / 1 duplicate / 2 invalid / 1 conflicting (needs human review).
Input hashes in audit.json are for these exact files.
WARNING: Spreadsheet apps can change +country_code phone values if CSVs are opened automatically.
Use an import wizard to designate phone as TEXT, then save as XLSX with phone columns formatted as text.
This demo does not include a customer XLSX source or imply phone/email reachability.
