fix(condition-block): edges not following blocks, duplicate issues

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/components/sub-block/components/condition-input.tsx

@@ -72,6 +72,7 @@ export function ConditionInput({
   const hasInitializedRef = useRef(false)
   // Track previous blockId to detect workflow changes
   const previousBlockIdRef = useRef<string>(blockId)
+  const shouldPersistRef = useRef<boolean>(false)
 
   // Create default blocks with stable IDs
   const createDefaultBlocks = (): ConditionalBlock[] => [
@@ -150,35 +151,30 @@ export function ConditionInput({
       // If effective value is null, and we've already initialized, keep current state
       if (effectiveValueStr === null) {
         if (hasInitializedRef.current) {
-          // We already have blocks, just mark as ready if not already
           if (!isReady) setIsReady(true)
           isSyncingFromStoreRef.current = false
           return
         }
 
-        // If we haven't initialized yet, set default blocks
         setConditionalBlocks(createDefaultBlocks())
         hasInitializedRef.current = true
         setIsReady(true)
+        shouldPersistRef.current = false
         isSyncingFromStoreRef.current = false
         return
       }
 
-      // Skip if the effective value hasn't changed and we're already initialized
       if (effectiveValueStr === prevStoreValueRef.current && hasInitializedRef.current) {
         if (!isReady) setIsReady(true)
         isSyncingFromStoreRef.current = false
         return
       }
 
-      // Update the previous store value ref
       prevStoreValueRef.current = effectiveValueStr
 
-      // Parse the effective value
       const parsedBlocks = safeParseJSON(effectiveValueStr)
 
       if (parsedBlocks) {
-        // Use the parsed blocks, but ensure titles are correct based on position
         const blocksWithCorrectTitles = parsedBlocks.map((block, index) => ({
           ...block,
           title: index === 0 ? 'if' : index === parsedBlocks.length - 1 ? 'else' : 'else if',
@@ -187,14 +183,14 @@ export function ConditionInput({
         setConditionalBlocks(blocksWithCorrectTitles)
         hasInitializedRef.current = true
         if (!isReady) setIsReady(true)
+        shouldPersistRef.current = false
       } else if (!hasInitializedRef.current) {
-        // Only set default blocks if we haven't initialized yet
         setConditionalBlocks(createDefaultBlocks())
         hasInitializedRef.current = true
         setIsReady(true)
+        shouldPersistRef.current = false
       }
     } finally {
-      // Reset the syncing flag after a short delay
       setTimeout(() => {
         isSyncingFromStoreRef.current = false
       }, 0)
@@ -203,18 +199,21 @@ export function ConditionInput({
 
   // Update store whenever conditional blocks change
   useEffect(() => {
-    // Skip if we're currently syncing from store to prevent loops
-    // or if we're not ready yet (still initializing) or in preview mode
-    if (isSyncingFromStoreRef.current || !isReady || conditionalBlocks.length === 0 || isPreview)
+    if (
+      isSyncingFromStoreRef.current ||
+      !isReady ||
+      conditionalBlocks.length === 0 ||
+      isPreview ||
+      !shouldPersistRef.current
+    )
       return
 
     const newValue = JSON.stringify(conditionalBlocks)
 
-    // Only update if the value has actually changed
     if (newValue !== prevStoreValueRef.current) {
       prevStoreValueRef.current = newValue
       setStoreValue(newValue)
-      updateNodeInternals(`${blockId}-${subBlockId}`)
+      updateNodeInternals(blockId)
     }
   }, [
     conditionalBlocks,
@@ -224,6 +223,15 @@ export function ConditionInput({
     updateNodeInternals,
     isReady,
     isPreview,
+    }, [
+    conditionalBlocks,
+    blockId,
+    subBlockId,
+    setStoreValue,
+    updateNodeInternals,
+    isReady,
+    isPreview,
+  ])
   ])
 
   // Cleanup when component unmounts
@@ -341,6 +349,7 @@ export function ConditionInput({
       )
       const dropPosition = textarea?.selectionStart ?? 0
 
+      shouldPersistRef.current = true
       setConditionalBlocks((blocks) =>
         blocks.map((block) => {
           if (block.id === blockId) {
@@ -373,6 +382,7 @@ export function ConditionInput({
   // Handle tag selection - updated for individual blocks
   const handleTagSelect = (blockId: string, newValue: string) => {
     if (isPreview || disabled) return
+    shouldPersistRef.current = true
     setConditionalBlocks((blocks) =>
       blocks.map((block) =>
         block.id === blockId
@@ -390,6 +400,7 @@ export function ConditionInput({
   // Handle environment variable selection - updated for individual blocks
   const handleEnvVarSelect = (blockId: string, newValue: string) => {
     if (isPreview || disabled) return
+    shouldPersistRef.current = true
     setConditionalBlocks((blocks) =>
       blocks.map((block) =>
         block.id === blockId
@@ -407,6 +418,7 @@ export function ConditionInput({
   const handleTagSelectImmediate = (blockId: string, newValue: string) => {
     if (isPreview || disabled) return
 
+    shouldPersistRef.current = true
     setConditionalBlocks((blocks) =>
       blocks.map((block) =>
         block.id === blockId
@@ -436,6 +448,7 @@ export function ConditionInput({
   const handleEnvVarSelectImmediate = (blockId: string, newValue: string) => {
     if (isPreview || disabled) return
 
+    shouldPersistRef.current = true
     setConditionalBlocks((blocks) =>
       blocks.map((block) =>
         block.id === blockId
@@ -475,13 +488,13 @@ export function ConditionInput({
     if (isPreview || disabled) return
 
     const blockIndex = conditionalBlocks.findIndex((block) => block.id === afterId)
+    if (conditionalBlocks[blockIndex]?.title === 'else') return
 
-    // Generate a stable ID using the blockId and a timestamp
     const newBlockId = generateStableId(blockId, `else-if-${Date.now()}`)
 
     const newBlock: ConditionalBlock = {
       id: newBlockId,
-      title: '', // Will be set by updateBlockTitles
+      title: '',
       value: '',
       showTags: false,
       showEnvVars: false,
@@ -492,9 +505,9 @@ export function ConditionInput({
 
     const newBlocks = [...conditionalBlocks]
     newBlocks.splice(blockIndex + 1, 0, newBlock)
+    shouldPersistRef.current = true
     setConditionalBlocks(updateBlockTitles(newBlocks))
 
-    // Focus the new block's editor after a short delay
     setTimeout(() => {
       const textarea: any = containerRef.current?.querySelector(
         `[data-block-id="${newBlock.id}"] textarea`
@@ -516,13 +529,20 @@ export function ConditionInput({
     })
 
     if (conditionalBlocks.length === 1) return
+    shouldPersistRef.current = true
     setConditionalBlocks((blocks) => updateBlockTitles(blocks.filter((block) => block.id !== id)))
+
+    setTimeout(() => updateNodeInternals(blockId), 0)
   }
 
   const moveBlock = (id: string, direction: 'up' | 'down') => {
     if (isPreview || disabled) return
 
     const blockIndex = conditionalBlocks.findIndex((block) => block.id === id)
+    if (blockIndex === -1) return
+
+    if (conditionalBlocks[blockIndex]?.title === 'else') return
+
     if (
       (direction === 'up' && blockIndex === 0) ||
       (direction === 'down' && blockIndex === conditionalBlocks.length - 1)
@@ -531,11 +551,17 @@ export function ConditionInput({
 
     const newBlocks = [...conditionalBlocks]
     const targetIndex = direction === 'up' ? blockIndex - 1 : blockIndex + 1
+
+    if (direction === 'down' && newBlocks[targetIndex]?.title === 'else') return
+
     ;[newBlocks[blockIndex], newBlocks[targetIndex]] = [
       newBlocks[targetIndex],
       newBlocks[blockIndex],
     ]
+    shouldPersistRef.current = true
     setConditionalBlocks(updateBlockTitles(newBlocks))
+
+    setTimeout(() => updateNodeInternals(blockId), 0)
   }
 
   // Add useEffect to handle keyboard events for both dropdowns
@@ -626,7 +652,7 @@ export function ConditionInput({
                     variant='ghost'
                     size='sm'
                     onClick={() => addBlock(block.id)}
-                    disabled={isPreview || disabled}
+                    disabled={isPreview || disabled || block.title === 'else'}
                     className='h-8 w-8'
                   >
                     <Plus className='h-4 w-4' />
@@ -643,7 +669,7 @@ export function ConditionInput({
                       variant='ghost'
                       size='sm'
                       onClick={() => moveBlock(block.id, 'up')}
-                      disabled={isPreview || index === 0 || disabled}
+                      disabled={isPreview || index === 0 || disabled || block.title === 'else'}
                       className='h-8 w-8'
                     >
                       <ChevronUp className='h-4 w-4' />
@@ -659,7 +685,13 @@ export function ConditionInput({
                       variant='ghost'
                       size='sm'
                       onClick={() => moveBlock(block.id, 'down')}
-                      disabled={isPreview || index === conditionalBlocks.length - 1 || disabled}
+                      disabled={
+                        isPreview ||
+                        disabled ||
+                        index === conditionalBlocks.length - 1 ||
+                        conditionalBlocks[index + 1]?.title === 'else' ||
+                        block.title === 'else'
+                      }
                       className='h-8 w-8'
                     >
                       <ChevronDown className='h-4 w-4' />
@@ -723,6 +755,7 @@ export function ConditionInput({
                         const tagTrigger = checkTagTrigger(newCode, pos)
                         const envVarTrigger = checkEnvVarTrigger(newCode, pos)
 
+                        shouldPersistRef.current = true
                         setConditionalBlocks((blocks) =>
                           blocks.map((b) => {
                             if (b.id === block.id) {

apps/sim/hooks/use-collaborative-workflow.ts

@@ -202,6 +202,15 @@ export function useCollaborativeWorkflow() {
               if (payload.autoConnectEdge) {
                 workflowStore.addEdge(payload.autoConnectEdge)
               }
+              // Apply subblock values from duplicate payload so collaborators see content immediately
+              if (payload.subBlocks && typeof payload.subBlocks === 'object') {
+                Object.entries(payload.subBlocks).forEach(([subblockId, subblock]) => {
+                  const value = (subblock as any)?.value
+                  if (value !== undefined) {
+                    subBlockStore.setValue(payload.id, subblockId, value)
+                  }
+                })
+              }
               break
           }
         } else if (target === 'edge') {

apps/sim/stores/workflows/registry/store.ts

@@ -574,6 +574,7 @@ export const useWorkflowRegistry = create<WorkflowRegistry>()(
         }
 
         useWorkflowStore.setState(workflowState)
+        useSubBlockStore.getState().initializeFromWorkflow(id, (workflowState as any).blocks || {})
 
         set({ activeWorkflowId: id, error: null })