Lab: Tool Calling Mini Lab

Goal

Build a small tool-calling workflow with validation and authorization.

Tasks

• Define a list_overdue_invoices tool.
• Define input and output schemas.
• Load data from sample-data/invoices.csv.
• Add role-based access rules.
• Log every tool call.

Failure Case

• Attempt the tool with an unauthorized role.

Output

• Tool definition.
• Authorization matrix.
• Tool call transcript.