brawer / osmdiffs / 42328762958

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fix(conflate): Limit Swiss transit deletion candidates to its home area (#897)

The Swiss register lists about 28,000 stops in Germany, Austria,
France and Italy, but far from all of them. Those stops made networks
and operators look covered in whole countries, so the Wikidata and
name rules flagged every Berlin S-Bahn station and thousands of stops
near the Swiss border. Old Swiss codes on Austrian and German stops
also triggered the Swiss ID rule.

The register now has a home area: Switzerland, Liechtenstein, and
the enclaves of Büsingen am Hochrhein and Campione d'Italia, as small
polygons drawn from their OSM boundaries. The Swiss rules only apply
there, and the register's features outside Switzerland and
Liechtenstein no longer count for the Wikidata and name rules. They
still match OSM features.


Claude-Session: https://claude.ai/code/session_01Ttfb2JnveZbUE4J6rToqxk

Co-authored-by: Claude <noreply@anthropic.com>

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