# Data Directory
This directory contains sample data files for testing and demonstration purposes.
## Files
- `legal_spend_sample.csv` - Sample legal spend data with 15 invoices from various vendors
- Place your own CSV or Excel files here for testing
## Data Format
The CSV files should include the following columns:
- invoice_id
- vendor_name
- vendor_type
- matter_id
- matter_name
- department
- practice_area
- invoice_date
- amount
- currency
- expense_category
- description
- billing_period_start (optional)
- billing_period_end (optional)
- status
- budget_code (optional)
## Security Note
⚠️ **Never commit real/sensitive data to version control!**
Add any real data files to `.gitignore` to prevent accidental commits.