refactor: split casino.go, dedup helpers, remove audit docs

1 files changed, 17 insertions, 7 deletions

diff --git a/internal/behavior/behavior.go b/internal/behavior/behavior.go
index e5039af..975624e 100644
--- a/internal/behavior/behavior.go
+++ b/internal/behavior/behavior.go
@@ -114,11 +114,11 @@ type Trigger struct {
 // SpawnMobConfig configures a transient mob spawned by a trigger step. The
 // mob id is required; other fields are optional.
 type SpawnMobConfig struct {
-	ID             string  `yaml:"id"`
-	OwnerOnly      bool    `yaml:"owner_only"`
-	DespawnOnLeave bool    `yaml:"despawn_on_leave"`
-	DespawnRooms   []int   `yaml:"despawn_rooms"`
-	DespawnTicks   float64 `yaml:"despawn_ticks"`
+	ID             string  `yaml:"id" json:"id"`
+	OwnerOnly      bool    `yaml:"owner_only" json:"owner_only"`
+	DespawnOnLeave bool    `yaml:"despawn_on_leave" json:"despawn_on_leave"`
+	DespawnRooms   []int   `yaml:"despawn_rooms" json:"despawn_rooms"`
+	DespawnTicks   float64 `yaml:"despawn_ticks" json:"despawn_ticks"`
 }
 
 // ShopConfig is a root-level mob property (mob YAML `shop:`). Buy prices are
@@ -193,10 +193,20 @@ func (c *ShopConfig) SellPrice(value, stock int) int {
 // RestockInterval returns the effective restock interval (in ticks) for an item,
 // honoring the per-item override, then the configurable global default.
 func (c *ShopConfig) RestockInterval(item *ShopItem) int {
+	var ticks float64
 	if item != nil && item.RestockTicks > 0 {
-		return int(item.RestockTicks)
+		ticks = item.RestockTicks
+	} else {
+		ticks = ShopDefaultRestock
 	}
-	return int(ShopDefaultRestock)
+	// restock_ticks is authored as a float, so truncation can turn a valid
+	// fractional interval (e.g. 0.5) into 0; the shop loop would then
+	// decrement to -1 and restock every tick. Clamp to at least one tick.
+	n := int(ticks)
+	if n < 1 {
+		n = 1
+	}
+	return n
 }
 
 // FindItem returns the configured shop item with the given id, or nil.