Report: Add EU legislation connection analysis for 2015-2025

[marcarl]

Summary

This PR adds comprehensive analysis of EU legislation connections in Swedish SFS documents from 2015-2025.

Key Findings

• 1624 documents analyzed (all SFS 2015-2025)
• 620 documents (38.2%) have EU connections
• 5396 total EU references found
• 176 documents have EU directive metadata flag
• 1 document has CELEX number

Reference Types

• 3738 förordning references (EU regulations)
• 959 eu_institution references (Europaparlamentet och rådets...)
• 356 kommissionen references (Commission regulations)
• 343 direktiv references (EU directives)

Top Areas with EU Connections

1. 🌾 Agriculture and rural development
2. ♻️ Environment and waste management
3. 💊 Pharmaceuticals and medical devices
4. 🚛 Transport and traffic
5. 🍽️ Food safety

What's Included

New Script: scripts/analyze_eu_connection.py

• Analyzes both metadata and text references
• Supports year range filtering
• Generates detailed markdown reports
• Creates linkable references to selex.se
• Multiple reference type detection

Generated Report: reports/eu_analysis_2015-2025.md

• Complete statistics and breakdown
• Top 20 documents with most EU references
• Examples of each reference type
• All document references link to selex.se

Usage Examples

# Analyze test documents
python scripts/analyze_eu_connection.py --input data/testdocs/rkrattsbaser

# Analyze 2015-2025 with report
python scripts/analyze_eu_connection.py \
  --input ../sfs-jsondata \
  --year-range 2015-2025 \
  --output reports/eu_analysis_2015-2025.md

# Verbose mode
python scripts/analyze_eu_connection.py --input sfs_json --verbose

Technical Details

• Uses regex patterns to detect EU regulations, directives, CELEX numbers
• Handles various formats: (EU), (EG), (EEG)
• Detects institutional references and Commission documents
• Generates ELI-compliant URLs for all SFS documents

🤖 Generated with Claude Code