v1.28

Patch release for OpenStreetMap search quality.\n\n- Filter Photon fallback results by OSM category so addresses/streets are not shown as restaurants.\n- Keep strict radius filtering instead of filling results from outside the selected radius.\n- Show a clear empty-state message when nothing matches the selected category/radius.\n- Avoid blank address rows in place cards when OSM has no address.\n\nValidation: .\gradlew.bat --no-daemon testDebugUnitTest assembleDebug