Two bugs fixed:
1. Opening block tags (<h3>, <div>) now also create newlines, not just
closing tags. Fixes: gesetze-im-internet.de puts § inside <h3> which
followed inline <a> text — § ended up mid-line, not at line start.
2. HTML charset detection from meta tag (charset=iso-8859-1). Files from
gesetze-im-internet.de use ISO-8859-1, not UTF-8. The § byte (0xA7)
was destroyed by UTF-8 decode. Now: try UTF-8 → check meta charset →
fallback ISO-8859-1.
32 rag-service tests passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
HTML files from gesetze-im-internet.de were decoded as raw UTF-8, keeping
<div>/<p> tags intact. The legal chunker regex requires § at line start,
which never matched inside HTML tags → 0% section metadata for HTML docs.
Fix: detect HTML content and strip tags before sending to embedding
service. Block elements become newlines, entities are decoded.
§ signs now appear at line starts → section detection works.
Also adds D5 re-ingestion scripts (reingest_d5.py + config) for
batch re-processing of all documents in Qdrant collections.
27 rag-service tests passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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