Save endgame progress, team presets, technique support and camera controls

internal/common/runtime_config.go

@@ -15,6 +15,7 @@ import (
 // RuntimeConfig is shared by both server processes. Deployment values belong
 // in configuration rather than in handlers or executable entry points.
 type RuntimeConfig struct {
+	PlayerUID         uint32                  `json:"player_uid"`
 	BattleDiagnostics BattleDiagnosticsConfig `json:"battle_diagnostics"`
 	ClientVersion     string                  `json:"client_version"`
 	GameHost          string                  `json:"game_host"`
@@ -67,6 +68,16 @@ func LoadRuntimeConfig() (RuntimeConfig, error) {
 			*dest = uint16(n)
 		}
 	}
+	if value, ok := os.LookupEnv("GAC_PLAYER_UID"); ok {
+		n, err := strconv.ParseUint(value, 10, 32)
+		if err != nil || n == 0 {
+			return cfg, fmt.Errorf("GAC_PLAYER_UID must be an integer between 1 and 4294967295")
+		}
+		cfg.PlayerUID = uint32(n)
+	}
+	if cfg.PlayerUID == 0 {
+		return cfg, fmt.Errorf("runtime config requires a nonzero player_uid")
+	}
 	if cfg.GamePort == 0 || cfg.SDKPort == 0 || strings.TrimSpace(cfg.ClientVersion) == "" {
 		return cfg, fmt.Errorf("runtime config requires client_version, game_port and sdk_port")
 	}