fix(evaluator): fix tag dropdown for evaluator block (#807)

* fix(evaluator): fix tag dropdown for evaluator block

* lint

---------

Co-authored-by: waleedlatif <waleedlatif@waleedlatifs-MacBook-Pro.local>

Author: waleedlatif1

apps/sim/components/ui/tag-dropdown.tsx

@@ -171,7 +171,23 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
 
       let blockTags: string[]
 
-      if (responseFormat) {
+      // Special handling for evaluator blocks
+      if (sourceBlock.type === 'evaluator') {
+        // Get the evaluation metrics for the evaluator block
+        const metricsValue = useSubBlockStore.getState().getValue(activeSourceBlockId, 'metrics')
+
+        if (metricsValue && Array.isArray(metricsValue) && metricsValue.length > 0) {
+          // Use the metric names as the available outputs
+          const validMetrics = metricsValue.filter((metric: any) => metric?.name)
+          blockTags = validMetrics.map(
+            (metric: any) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
+          )
+        } else {
+          // Fallback to default evaluator outputs if no metrics are defined
+          const outputPaths = generateOutputPaths(blockConfig.outputs)
+          blockTags = outputPaths.map((path) => `${normalizedBlockName}.${path}`)
+        }
+      } else if (responseFormat) {
         // Use custom schema properties if response format is specified
         const schemaFields = extractFieldsFromSchema(responseFormat)
         if (schemaFields.length > 0) {
@@ -430,7 +446,23 @@ export const TagDropdown: React.FC<TagDropdownProps> = ({
 
       let blockTags: string[]
 
-      if (responseFormat) {
+      // Special handling for evaluator blocks
+      if (accessibleBlock.type === 'evaluator') {
+        // Get the evaluation metrics for the evaluator block
+        const metricsValue = useSubBlockStore.getState().getValue(accessibleBlockId, 'metrics')
+
+        if (metricsValue && Array.isArray(metricsValue) && metricsValue.length > 0) {
+          // Use the metric names as the available outputs
+          const validMetrics = metricsValue.filter((metric: any) => metric?.name)
+          blockTags = validMetrics.map(
+            (metric: any) => `${normalizedBlockName}.${metric.name.toLowerCase()}`
+          )
+        } else {
+          // Fallback to default evaluator outputs if no metrics are defined
+          const outputPaths = generateOutputPaths(blockConfig.outputs)
+          blockTags = outputPaths.map((path) => `${normalizedBlockName}.${path}`)
+        }
+      } else if (responseFormat) {
         // Use custom schema properties if response format is specified
         const schemaFields = extractFieldsFromSchema(responseFormat)
         if (schemaFields.length > 0) {