fix(frozen canvas): don't error if workflow state not available for migrated logs (#624)

* fix(frozen canvas): don't error if workflow state not available for old logs

* fix lint

---------

Co-authored-by: Vikhyath Mondreti <vikhyathmondreti@vikhyaths-air.lan>

Author: icecrasher321

apps/sim/app/workspace/[workspaceId]/logs/logs.tsx

@@ -305,15 +305,18 @@ export default function Logs() {
         <div className='flex flex-1 flex-col overflow-hidden'>
           {/* Table container */}
           <div className='flex flex-1 flex-col overflow-hidden'>
-            {/* Simple header */}
-            <div className='border-border/50 border-b px-4 py-3'>
-              <div className='flex items-center gap-4 font-medium text-muted-foreground text-xs'>
-                <div className='w-32'>Time</div>
-                <div className='w-20'>Status</div>
-                <div className='flex-1'>Workflow</div>
-                <div className='hidden w-24 lg:block'>Trigger</div>
-                <div className='hidden w-20 xl:block'>Cost</div>
-                <div className='w-20'>Duration</div>
+            {/* Table with fixed layout */}
+            <div className='w-full min-w-[800px]'>
+              {/* Header */}
+              <div className='border-border/50 border-b'>
+                <div className='grid grid-cols-[160px_100px_1fr_120px_100px_100px] gap-4 px-4 py-3 font-medium text-muted-foreground text-xs'>
+                  <div>Time</div>
+                  <div>Status</div>
+                  <div>Workflow</div>
+                  <div className='hidden lg:block'>Trigger</div>
+                  <div className='hidden xl:block'>Cost</div>
+                  <div>Duration</div>
+                </div>
               </div>
             </div>
 
@@ -357,17 +360,17 @@ export default function Logs() {
                         }`}
                         onClick={() => handleLogClick(log)}
                       >
-                        <div className='flex items-center gap-4 p-4'>
+                        <div className='grid grid-cols-[160px_100px_1fr_120px_100px_100px] gap-4 p-4'>
                           {/* Time */}
-                          <div className='w-32 flex-shrink-0'>
+                          <div>
                             <div className='font-medium text-sm'>{formattedDate.formatted}</div>
                             <div className='text-muted-foreground text-xs'>
                               {formattedDate.relative}
                             </div>
                           </div>
 
                           {/* Status */}
-                          <div className='w-20 flex-shrink-0'>
+                          <div>
                             <div
                               className={`inline-flex items-center justify-center rounded-md px-2 py-1 text-xs ${
                                 log.level === 'error'
@@ -382,7 +385,7 @@ export default function Logs() {
                           </div>
 
                           {/* Workflow */}
-                          <div className='min-w-0 flex-1'>
+                          <div className='min-w-0'>
                             <div className='truncate font-medium text-sm'>
                               {log.workflow?.name || 'Unknown Workflow'}
                             </div>
@@ -392,14 +395,14 @@ export default function Logs() {
                           </div>
 
                           {/* Trigger */}
-                          <div className='hidden w-24 flex-shrink-0 lg:block'>
+                          <div className='hidden lg:block'>
                             <div className='text-muted-foreground text-xs'>
                               {log.trigger || '—'}
                             </div>
                           </div>
 
                           {/* Cost */}
-                          <div className='hidden w-20 flex-shrink-0 xl:block'>
+                          <div className='hidden xl:block'>
                             <div className='text-xs'>
                               {log.metadata?.enhanced && log.metadata?.cost?.total ? (
                                 <span className='text-muted-foreground'>
@@ -412,7 +415,7 @@ export default function Logs() {
                           </div>
 
                           {/* Duration */}
-                          <div className='w-20 flex-shrink-0'>
+                          <div>
                             <div className='text-muted-foreground text-xs'>
                               {log.duration || '—'}
                             </div>

apps/sim/app/workspace/[workspaceId]/w/components/workflow-preview/workflow-preview.tsx

@@ -58,6 +58,22 @@ export function WorkflowPreview({
   defaultZoom,
   onNodeClick,
 }: WorkflowPreviewProps) {
+  // Handle migrated logs that don't have complete workflow state
+  if (!workflowState || !workflowState.blocks || !workflowState.edges) {
+    return (
+      <div
+        style={{ height, width }}
+        className='flex items-center justify-center rounded-lg border border-gray-200 bg-gray-50 dark:border-gray-700 dark:bg-gray-900'
+      >
+        <div className='text-center text-gray-500 dark:text-gray-400'>
+          <div className='mb-2 font-medium text-lg'>⚠️ Logged State Not Found</div>
+          <div className='text-sm'>
+            This log was migrated from the old system and doesn't contain workflow state data.
+          </div>
+        </div>
+      </div>
+    )
+  }
   const blocksStructure = useMemo(
     () => ({
       count: Object.keys(workflowState.blocks || {}).length,
@@ -84,8 +100,8 @@ export function WorkflowPreview({
 
   const edgesStructure = useMemo(
     () => ({
-      count: workflowState.edges.length,
-      ids: workflowState.edges.map((e) => e.id).join(','),
+      count: workflowState.edges?.length || 0,
+      ids: workflowState.edges?.map((e) => e.id).join(',') || '',
     }),
     [workflowState.edges]
   )
@@ -115,7 +131,7 @@ export function WorkflowPreview({
   const nodes: Node[] = useMemo(() => {
     const nodeArray: Node[] = []
 
-    Object.entries(workflowState.blocks).forEach(([blockId, block]) => {
+    Object.entries(workflowState.blocks || {}).forEach(([blockId, block]) => {
       if (!block || !block.type) {
         logger.warn(`Skipping invalid block: ${blockId}`)
         return
@@ -186,7 +202,7 @@ export function WorkflowPreview({
       })
 
       if (block.type === 'loop') {
-        const childBlocks = Object.entries(workflowState.blocks).filter(
+        const childBlocks = Object.entries(workflowState.blocks || {}).filter(
           ([_, childBlock]) => childBlock.data?.parentId === blockId
         )
 
@@ -223,7 +239,7 @@ export function WorkflowPreview({
   }, [blocksStructure, loopsStructure, parallelsStructure, showSubBlocks, workflowState.blocks])
 
   const edges: Edge[] = useMemo(() => {
-    return workflowState.edges.map((edge) => ({
+    return (workflowState.edges || []).map((edge) => ({
       id: edge.id,
       source: edge.source,
       target: edge.target,