1 files changed, 11 insertions, 3 deletions
diff --git a/internal/behavior/types.go b/internal/behavior/types.go
index 99f09a0..03876e5 100644
--- a/internal/behavior/types.go
+++ b/internal/behavior/types.go
@@ -145,14 +145,22 @@ type ObstacleData struct {
 	StartRoom      int
 	ObstacleXP     int
 	CompletionXP   int
-	FailChance     float64
+	// FailChance is the resolved failure probability for this attempt.
+	// nil => derived at runtime from agility level vs RequiredLevel.
+	FailChance     *float64
 	FailDamageMin  int
 	FailDamageMax  int
-	Messages       []any
-	TicksPerPhase  float64
+	Phases         []PhaseData
 	RequiredLevel  int
 }
 
+// PhaseData is the runtime form of an obstacle phase.
+type PhaseData struct {
+	Message   string
+	Delay     float64
+	FailCheck bool
+}
+
 type FarmData struct {
 	Prefix   string
 	SeedID   string