controllogic: debug value is Value (array-capable); lua get narrows to scalar

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

internal/controllogic/debug.go

@@ -12,11 +12,11 @@ import (
 // only meaningful when HasValue is true (e.g. an action.write's written value or
 // a flow.if branch as 0/1); otherwise the event just marks the node as active.
 type DebugEvent struct {
-	GraphID  string  `json:"graphId"`
-	NodeID   string  `json:"nodeId"`
-	Value    float64 `json:"value"`
-	HasValue bool    `json:"hasValue"`
-	TS       int64   `json:"ts"` // unix millis
+	GraphID  string `json:"graphId"`
+	NodeID   string `json:"nodeId"`
+	Value    any    `json:"value"`
+	HasValue bool   `json:"hasValue"`
+	TS       int64  `json:"ts"` // unix millis
 }
 
 // DebugObserver receives node-execution events from running (and simulated)
@@ -83,7 +83,7 @@ func (e *Engine) FireTrigger(graphID, triggerID string) bool {
 
 // emitDebug reports a node execution to the observer when the graph is watched
 // (or the graph is a simulate sandbox, which is always its own subscriber).
-func (cg *compiledGraph) emitDebug(nodeID string, value float64, hasValue bool) {
+func (cg *compiledGraph) emitDebug(nodeID string, value Value, hasValue bool) {
 	if !cg.alwaysDebug {
 		w, _ := cg.engine.debugWatch.Load().(map[string]bool)
 		if !w[cg.id] {