AYN Thor v0.4.0

Hardware-validated AYN Thor prerelease. Adds Scenario Setup player navigation, Standard human-position transfer, fixed-count Hot Seat seat swapping, faction and handicap controls, synchronized upper-screen selection, and lower-screen information refresh. Android build and lint passed, and all five focused Thor device checks passed. Debug-signed arm64 APK. SHA-256: 2520C1C55BC954DFA2E1F91FF37A7BE2BE75305FEEE6B1BA22D5E0FE8930D01F.