fix: restore battle entry and character profile initialization

internal/common/models.go

@@ -199,6 +199,23 @@ func (a *AvatarJson) SPMaxVal() uint32 {
 	return 10000
 }
 
+// Battle SP is a ratio in ten-thousandths (PearlSR createBattleAvatar).
+// FreeSR imports may instead carry absolute energy and its capacity; use
+// their ratio so both absolute and already scaled imports serialize alike.
+const battleRatioScale uint32 = 10000
+
+func (a *AvatarJson) BattleSPCur() uint32 {
+	maximum := a.SPMaxVal()
+	if maximum == 0 {
+		return 0
+	}
+	current := a.SPCur()
+	if current > maximum {
+		current = maximum
+	}
+	return uint32(uint64(current) * uint64(battleRatioScale) / uint64(maximum))
+}
+
 // ---------------------------------------------------------------------------
 // Battle config (freesr-data.json)
 // ---------------------------------------------------------------------------
@@ -253,15 +270,16 @@ type RogueMagicScepter struct {
 }
 
 type BattleConfig struct {
-	BattleType         BattleType          `json:"battle_type"`
-	Monsters           [][]Monster         `json:"monsters"`
-	Blessings          []BattleBuffJson    `json:"blessings"`
-	StageID            uint32              `json:"stage_id"`
-	CycleCount         uint32              `json:"cycle_count"`
-	PathResonanceID    uint32              `json:"path_resonance_id"`
-	CustomStats        []SubAffix          `json:"custom_stats"`
-	Scepters           []RogueMagicScepter `json:"scepters"`
-	CustomBattleLineup map[uint32]uint32   `json:"custom_battle_lineup"`
+	EnableInvasionSupport bool                `json:"enable_invasion_support"`
+	BattleType            BattleType          `json:"battle_type"`
+	Monsters              [][]Monster         `json:"monsters"`
+	Blessings             []BattleBuffJson    `json:"blessings"`
+	StageID               uint32              `json:"stage_id"`
+	CycleCount            uint32              `json:"cycle_count"`
+	PathResonanceID       uint32              `json:"path_resonance_id"`
+	CustomStats           []SubAffix          `json:"custom_stats"`
+	Scepters              []RogueMagicScepter `json:"scepters"`
+	CustomBattleLineup    map[uint32]uint32   `json:"custom_battle_lineup"`
 }
 
 func DefaultBattleConfig() BattleConfig {