From 4dfed1115b1fea617b2c0bfd050d39717cd40fd0 Mon Sep 17 00:00:00 2001
From: "Matt Johnson (via Claude)" <matt@echo6.co>
Date: Sun, 7 Jun 2026 07:55:28 +0000
Subject: [PATCH] fix(normalizer): restrict Photon OSM values to
 city/town/village

Remove hamlet, suburb, and locality from _TOWN_OSM_VALUES so the
nearest_town Photon lookup only returns meaningful population centers,
avoiding misleading anchors from tiny named places.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 meshai/central_normalizer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meshai/central_normalizer.py b/meshai/central_normalizer.py
index 66dfdad..689ce44 100644
--- a/meshai/central_normalizer.py
+++ b/meshai/central_normalizer.py
@@ -257,7 +257,7 @@ PHOTON_RADIUS_KM = 80     # ≈ 50 miles
 PHOTON_LIMIT = 10
 # OSM place classes we accept as "town". Suburb included for metro coverage;
 # locality is rare but valid for tiny rural places.
-_TOWN_OSM_VALUES = frozenset({"city", "town", "village", "hamlet", "suburb", "locality"})
+_TOWN_OSM_VALUES = frozenset({"city", "town", "village"})
 
 
 # Process-lifetime LRU cache keyed by H3 cell (resolution 7 ≈ 5km hexagons).