fix(pipeline): align stale day detection with local midnight (#48)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

## Release Notes

* **New Features**
  * Added automatic fallback to alternative SQLite implementation for improved compatibility
  * Introduced new repair tool for handling mirrored-root duplicate records in the NetFlow database

* **Bug Fixes**
  * Enhanced duplicate file path deduplication in database operations
  * Improved time bucket calculations for NetFlow statistics

* **Documentation**
  * Updated visualization platform terminology

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
5ac136a5ccoliver committed on 3/27/2026, 2:22:57 AM· committed by GitHubparents667e683f8bf29c
11 files changedLine totals unavailable