Remove status file

Add Days 1-4 final status summary

Merged into DAY3_STATUS.md

Replaced by DAYS_1-2_SUMMARY_FINAL.md

Day 3 Complete: All 3 tasks fully playable

Clean up: Remove redundant Day 1-2 documentation

Delete README_EXPLAINED.md

Day 2: environment.py, log_generator.py, single_crash scenario, real endpoints

Day 1: Complete - All tests passed

Initial commit