- Created detailed gameplan for cost tracking and allocation system - Designed database schema for financial data (costs, periods, transactions, allocations) - Planned cost allocation algorithm with loss carried forward handling - Created 9 implementation issues (#110-118) registered in system - Organized by 3 phases: Foundation → Business Logic → User Features - Includes CLI commands, reporting, and automation capabilities Key Features: - Track monthly/one-time costs with audit trail - Allocate costs to active issues in calculation periods - Financial reporting and trend analysis - Automated period management and calculations - Integration with existing issue management system Implementation Timeline: 23 days (4.5 weeks) Total Issues Created: 9 issues (#110-118) Estimated Monthly Costs: €87 (server, SaaS, domains, tools) 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>