- Add comprehensive IssueActivityTracker service with ActivityType enum and IssueActivity dataclass
- Implement full CLI interface with log, show, list, summary, delete, and import-activities commands
- Support activity logging with automatic period detection and cost allocation integration
- Add activity retrieval by issue, by period, with filtering and pagination
- Include activity summaries with statistics and breakdowns across issues and time periods
- Support bulk operations for activity import from JSON/CSV formats
- Integrate with existing finance schema using cost_periods and issue_activity_log tables
- Add 28 comprehensive test cases covering all functionality with 100% pass rate
- Enable both table and JSON output formats for all CLI commands
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Co-Authored-By: Claude <noreply@anthropic.com>
tegwick
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