fix(45): stop ConditionalSwitch from passing input text to downstream nodes

ConditionalSwitch should act as a gate/trigger, not a data router.
Active outputs now trigger downstream execution without forwarding
the upstream text through the connection.

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

src/store/utils/connectedInputs.ts

@@ -250,10 +250,8 @@ export function getConnectedInputsPure(
         // Block non-active outputs (data does not flow through non-matching rules)
         if (!isActive) return;
 
-        // Active output: recursively get upstream text
-        const condInputs = getConnectedInputsPure(sourceNode.id, nodes, edges, _visited, dimmedNodeIds);
-        if (condInputs.text) text = condInputs.text;
-        return; // Skip normal getSourceOutput processing
+        // Active output: ConditionalSwitch is a gate — trigger downstream but don't pass data through
+        return;
       }
 
       const handleId = edge.targetHandle;