AI Assistant f5c8cf5fdc perf(geoportal): extend PMTiles to z16 — near-zero PostGIS load for tile serving
- PMTiles now covers z0-z16 (was z0-z14) for terenuri + cladiri
- Martin only serves z17-z18 (very close zoom, few features per tile)
- map-viewer: PMTiles layers serve z13-z16 for terenuri, z14-z16 for cladiri
- Labels at z16 now from PMTiles (cadastral_ref included in tiles)
- Remove failed compound index from postgis-setup.sql

This eliminates PostgreSQL as bottleneck for 99% of tile requests.
PMTiles file will be ~300-500MB (vs 104MB at z14).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-28 15:40:03 +02:00
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