fix: switch basemap fallback from Stadia Maps to OpenFreeMap#1042
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fix: switch basemap fallback from Stadia Maps to OpenFreeMap#1042
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Stadia Maps tiles return HTTP 401 without an API key — style.json loads but actual .pbf tile requests fail, leaving the map black with floating data points (issue #1031). Changes: - Switch fallback to OpenFreeMap (free, no auth, CORS *, dark style) - Replace overly broad 'style.json' error match with 'cartocdn.com' - Store style load timeout on instance, clear in destroy() - Update TODO-131 text to reference OpenFreeMap
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This was referenced Mar 5, 2026
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Summary
style.jsonerror match withcartocdn.comdestroy()to prevent stale callbacksFixes #1031
Root cause
PR #1037 added Stadia Maps as fallback, but Stadia tiles return HTTP 401 without an API key. The
style.jsonloads fine, but actual.pbftile requests fail silently — map stays black with data points floating on nothing.OpenFreeMap serves tiles with no authentication, no rate limits, and
Access-Control-Allow-Origin: *. Dark style available attiles.openfreemap.org/styles/dark.Test plan