1 files changed, 11 insertions, 0 deletions
diff --git a/internal/engine/tick.go b/internal/engine/tick.go
index 68dd54f..8c64cdd 100644
--- a/internal/engine/tick.go
+++ b/internal/engine/tick.go
@@ -4,6 +4,7 @@ package engine
 
 import (
 	"math/rand"
+	"reflect"
 	"sort"
 	"sync"
 	"time"
@@ -171,6 +172,16 @@ func ValuesEqual(a, b any) bool {
 	if aok && bok {
 		return ai == bi
 	}
+	// == panics when both operands share an uncomparable dynamic type (a
+	// YAML list or map used as a flag value). Fall back to DeepEqual so a
+	// tick system cannot panic on authored content.
+	ta, tb := reflect.TypeOf(a), reflect.TypeOf(b)
+	if ta != tb {
+		return false
+	}
+	if ta != nil && !ta.Comparable() {
+		return reflect.DeepEqual(a, b)
+	}
 	return a == b
 }