Context

Company templates (issue #60) define department names and budget allocations at a structural level. This issue designs the internal workings of departments: team composition rules, reporting hierarchies, cross-department workflows, and how departments coordinate.

Acceptance Criteria

• Department team structure model (teams within departments, team leads, member slots)
• Reporting line configuration (who reports to whom within a department)
• Cross-department workflow patterns (handoffs, escalations)
• Department-level policies (review requirements, approval chains)
• Integration with company templates (templates can define department internals)
• Unit tests

Dependencies

• Issue Define default configurations and company template schema #60 (company template schema)

Design Spec Reference

Sections 4.2, 4.3, 4.4