jedarden fe59fa9785 feat(pdftract-47e42): implement URL fragment routing for shareable links

- Add #page=N URL fragment routing for shareable inspector links
- Support browser back/forward navigation via hashchange event
- Persist overlay toggle state in localStorage with error handling
- Add isUpdatingFragment flag to prevent double-render on hash updates
- Update thumbnail click handler to rely on updateFragment()
- Clamp out-of-range page numbers with console warnings
- Default to page 0 for invalid/non-numeric page numbers
- Add vector fixture provenance entries

Acceptance criteria:
- URL #page=14 on load → starts on page 14 ✓
- Navigate via next button → URL updates to #page=15 ✓
- Browser back button → URL and view update correctly ✓
- Bookmark with #page=14 → reopens to page 14 ✓
- Overlay toggles persist across page refresh ✓
- Out-of-range #page=999 → clamps to last page ✓
- Invalid #page=abc → defaults to page 0 ✓

Closes pdftract-47e42

Verification: notes/pdftract-47e42.md

2026-06-01 08:23:59 -04:00

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Code Library Documentation - CER Test Fixture

Purpose

This fixture is used for Character Error Rate (CER) testing in the vector PDF corpus.

Files

source.pdf - Clean vector PDF with embedded text
ground_truth.txt - Exact text content for CER comparison
README.md - This file

Content

libpdf - PDF Processing Library Installation pip install libpdf Quick Example from libpdf import Document doc = Document('example.pdf') text = doc.extract_text() API Reference Document.open(path) Open...

Expected CER

Target: < 0.5% character error rate when extracted by pdftract.

Metadata

Title: Code Library Documentation
Author: Open Source Contributors
Creator: Markdown
Generated by: generate_vector_cer_corpus.py

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