refactor: reorganize docs/ into database/ and parser/ subdirectories

docs: add auth/DB/login report; fix run.py printed URLs

Merge remote-tracking branch 'origin/ntp' into phuc-dev

feat(auth+db): session-aware nav, ownership fix, admin hardening, schema cleanup

feat(ocr): refine evaluation pipeline and add results

feat(ocr): Granite-only Docling pipeline, GT-aligned output, per-component eval

docs: add Docling OCR evaluation with Kaggle server approach

docs: add OCR evaluation artifacts