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Fix loops and parallels

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This commit is contained in:
Siddharth Ganesan
2026-01-27 17:08:39 -08:00
parent 08bea875e5
commit d9631424dc
1 changed files with 20 additions and 8 deletions
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28
apps/sim/executor/execution/executor.ts
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@@ -107,8 +107,13 @@ export class DAGExecutor {
startBlockId: string,
sourceSnapshot: SerializableExecutionState
): Promise<ExecutionResult> {
// Pass startBlockId as trigger so DAG includes it and all downstream blocks
const dag = this.dagBuilder.build(this.workflow, startBlockId)
// Check if startBlockId is a regular block in the workflow
// Parallel/loop containers are not in workflow.blocks, so we need to handle them differently
const isRegularBlock = this.workflow.blocks.some((b) => b.id === startBlockId)
// For regular blocks, pass startBlockId so DAG includes it and all downstream blocks
// For containers (parallel/loop), build DAG normally and let it find the trigger
const dag = this.dagBuilder.build(this.workflow, isRegularBlock ? startBlockId : undefined)
const executedBlocks = new Set(sourceSnapshot.executedBlocks)
const validation = validateRunFromBlock(startBlockId, dag, executedBlocks)
@@ -298,12 +303,19 @@ export class DAGExecutor {
skipStarterBlockInit: true,
})
} else if (overrides?.runFromBlockContext) {
// In run-from-block mode, still initialize the start block with workflow input
// This ensures trigger blocks get their mock payload
this.initializeStarterBlock(context, state, overrides.runFromBlockContext.startBlockId)
logger.info('Run-from-block mode: initialized start block', {
startBlockId: overrides.runFromBlockContext.startBlockId,
})
// In run-from-block mode, initialize the start block only if it's a regular block
// Skip for sentinels/containers (loop/parallel) which aren't real blocks
const startBlockId = overrides.runFromBlockContext.startBlockId
const isRegularBlock = this.workflow.blocks.some((b) => b.id === startBlockId)
if (isRegularBlock) {
this.initializeStarterBlock(context, state, startBlockId)
logger.info('Run-from-block mode: initialized start block', { startBlockId })
} else {
logger.info('Run-from-block mode: skipping starter block init for container/sentinel', {
startBlockId,
})
}
} else {
this.initializeStarterBlock(context, state, triggerBlockId)
}