fix(lock): prevent socket crash when locking agent blocks (#3245)

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/editor.tsx

@@ -618,6 +618,15 @@ export function Editor() {
                       <div className='h-[1.25px] flex-1' style={DASHED_DIVIDER_STYLE} />
                     </div>
                   )}
+                  {hasAdvancedOnlyFields && !canEditBlock && displayAdvancedOptions && (
+                    <div className='flex items-center gap-[10px] px-[2px] pt-[14px] pb-[12px]'>
+                      <div className='h-[1.25px] flex-1' style={DASHED_DIVIDER_STYLE} />
+                      <span className='whitespace-nowrap font-medium text-[13px] text-[var(--text-secondary)]'>
+                        Additional fields
+                      </span>
+                      <div className='h-[1.25px] flex-1' style={DASHED_DIVIDER_STYLE} />
+                    </div>
+                  )}
 
                   {advancedOnlySubBlocks.map((subBlock, index) => {
                     const stableKey = getSubBlockStableKey(

apps/sim/socket/handlers/subblocks.ts

@@ -232,6 +232,7 @@ async function flushSubblockUpdate(
     }
 
     let updateSuccessful = false
+    let blockLocked = false
     await db.transaction(async (tx) => {
       const [block] = await tx
         .select({
@@ -250,6 +251,7 @@ async function flushSubblockUpdate(
       // Check if block is locked directly
       if (block.locked) {
         logger.info(`Skipping subblock update - block ${blockId} is locked`)
+        blockLocked = true
         return
       }
 
@@ -266,6 +268,7 @@ async function flushSubblockUpdate(
 
         if (parentBlock?.locked) {
           logger.info(`Skipping subblock update - parent ${parentId} is locked`)
+          blockLocked = true
           return
         }
       }
@@ -308,6 +311,13 @@ async function flushSubblockUpdate(
           serverTimestamp: Date.now(),
         })
       })
+    } else if (blockLocked) {
+      pending.opToSocket.forEach((socketId, opId) => {
+        io.to(socketId).emit('operation-confirmed', {
+          operationId: opId,
+          serverTimestamp: Date.now(),
+        })
+      })
     } else {
       pending.opToSocket.forEach((socketId, opId) => {
         io.to(socketId).emit('operation-failed', {