---
note_type: "issue_cost_tracking"
issue_id: 112
issue_title: "Period Management Framework"
session_date: "2025-10-04"
claude_model: "claude-sonnet-4"
total_cost_eur: 0.1794
total_cost_usd: 0.195
total_tokens: 33000
generated_at: "2025-10-04T01:44:22.504281"
---

# Issue #112 Implementation Cost
**Issue**: Period Management Framework
**Date**: 2025-10-04
**Claude Model**: claude-sonnet-4

## Cost Summary
- **Total Cost**: €0.1794 ($0.1950 USD)
- **Token Usage**: 33,000 tokens
- **Input Tokens**: 25,000 tokens @ $3.00/M
- **Output Tokens**: 8,000 tokens @ $15.00/M

## Cost Breakdown

| Component | Tokens | Rate ($/M) | Cost (USD) | Cost (EUR) |
|-----------|--------|------------|------------|------------|
| Input | 25,000 | $3.00 | $0.0750 | €0.0690 |
| Output | 8,000 | $15.00 | $0.1200 | €0.1104 |
| **Total** | 33,000 | - | $0.1950 | €0.1794 |

## Implementation Summary
Implemented comprehensive Period Management Framework with complete lifecycle operations, status management, overlap validation, cost calculations, CLI integration (7 commands), and comprehensive test coverage (49 tests). Delivered PeriodManager class, CLI commands, and full database integration.

## Cost Allocation
This cost has been allocated to the 'AI & ML Services' category as a one-time expense for issue #112 implementation.

## Notes
- Currency conversion rate: 1 USD = 0.920 EUR
- Pricing based on claude-sonnet-4 rates as of 2025-10-04
- Token counts and costs are estimates based on session usage

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  "cost_tracking": {
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    "session": {
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        "input_per_million": 3.0,
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