feat: publish Gamertan Web Foundations preview source

Export the reviewed application-neutral package set through the exact public allowlist. Development history and private application evidence remain outside this canonical source root.

Developed with material AI assistance under maintainer review.

Signed-off-by: Cole Speelman <crspeelman@gmail.com>

analytics/geo.go

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MPL-2.0
+
+package analytics
+
+import "context"
+
+// GeoEnricher is deliberately optional. Implementations may use a private local
+// database; the base analytics package performs no network lookup.
+type GeoEnricher interface {
+	Lookup(context.Context, string) (GeoEvidence, error)
+}
+type GeoEvidence struct {
+	CountryCode, Region, City, ASNOrganization string
+	ASN                                        uint
+	Source, Confidence                         string
+}