Bu5hm4nn
dc4ee1f261
feat(CONV-001): add GLD launch date validation, feat(DATA-DB-003): add cache CLI
CONV-001:
- Add GLD_LAUNCH_DATE constant (November 18, 2004)
- Validate reference_date in gld_ounces_per_share()
- Raise ValueError for dates before GLD launch
- Update docstring with valid date range
- Add comprehensive test coverage for edge cases
DATA-DB-003:
- Create scripts/cache_cli.py with three commands:
- vault-dash cache stats: Show cache statistics
- vault-dash cache list: List cached entries
- vault-dash cache clear: Clear all cache files
- Add Makefile targets: cache-stats, cache-list, cache-clear
- Integrate with DatabentoHistoricalPriceSource methods