The workflow JSON
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{
"name": "WF-400 Media Production Pack Canonical",
"description": "Runs media production lane: thumbnails \u2192 visual assets \u2192 audio optimization \u2192 media packaging.",
"nodes": [
{
"parameters": {},
"id": "wf400_trigger_node",
"name": "Trigger Node",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"typeVersion": 1,
"position": [
200,
300
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, dossier_context: { dossier_id: $json.dossier_id || 'DOSSIER-UNSPECIFIED', pack: 'WF-400', loaded_at: new Date().toISOString(), route: $json.route_id || 'ROUTE_PHASE1_STANDARD', context_ready: !!$json.context_engineering_packet } } }];"
},
"id": "wf400_dossier_load_node",
"name": "Dossier Load Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
420,
300
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, pack_context: { child_workflows: ['CWF-410-thumbnail-generator', 'CWF-420-visual-asset-planner', 'CWF-430-audio-script-optimizer', 'CWF-440-media-package-finalizer'], primary_director: 'Krishna', strategic_authority: 'Krishna', governance_authority: ['Durga', 'Saraswati'] } } }];"
},
"id": "wf400_pack_initialization_node",
"name": "Pack Initialization Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
640,
300
]
},
{
"parameters": {
"jsCode": "const childWorkflows = ['CWF-410', 'CWF-420', 'CWF-430', 'CWF-440'];\nlet executionPlan = { workflows_to_execute: childWorkflows, current_index: 0, status: 'PLANNING', asset_assembly_required: true };\nreturn [{ json: { ...$json, execution_plan: executionPlan, pack_orchestration: { started_at: new Date().toISOString(), expected_duration_seconds: 240 } } }];"
},
"id": "wf400_execution_planner_node",
"name": "Execution Planner Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
860,
300
]
},
{
"parameters": {
"jsCode": "const childResults = { CWF_410: $json.cwf410_result, CWF_420: $json.cwf420_result, CWF_430: $json.cwf430_result, CWF_440: $json.cwf440_result };\nconst allHealthy = Object.values(childResults).every(r => r?.status === 'SUCCESS' || r?.status === 'COMPLETED');\nconst thumbnailsGenerated = $json.cwf410_result?.payload?.thumbnail_variants_count >= 3;\nconst visualAssetsPlanned = $json.cwf420_result?.payload?.visual_assets_planned === true;\nconst audioOptimized = $json.cwf430_result?.payload?.audio_optimization_complete === true;\nconst mediaPackaged = $json.cwf440_result?.payload?.media_package_assembled === true;\nconst validationOk = allHealthy && thumbnailsGenerated && visualAssetsPlanned && audioOptimized && mediaPackaged;\nreturn [{ json: { ...$json, pack_validation: { child_results_aggregated: childResults, all_children_healthy: allHealthy, thumbnails_generated: thumbnailsGenerated, visual_assets_planned: visualAssetsPlanned, audio_optimized: audioOptimized, media_packaged: mediaPackaged, validation_ok: validationOk, route_to_error: !validationOk } } }];"
},
"id": "wf400_pack_validation_node",
"name": "Pack Validation Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1080,
300
]
},
{
"parameters": {
"jsCode": "if ($json.pack_validation.route_to_error) return [];\nreturn [{\n json: {\n ...$json,\n dossier_write: {\n mutation_type: 'namespace_update',\n target: 'dossier.media',\n timestamp: new Date().toISOString(),\n writer_id: 'WF-400',\n pack_context: $json.pack_context,\n child_results: $json.pack_validation.child_results_aggregated,\n audit_entry: 'media-production-pack-completion from WF-400'\n }\n }\n}];"
},
"id": "wf400_dossier_write_node",
"name": "Dossier Media Write Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1300,
200
]
},
{
"parameters": {
"jsCode": "if ($json.pack_validation.route_to_error) return [];\nreturn [{\n json: {\n ...$json,\n se_route_runs_write: {\n operation: 'record_pack_execution',\n pack_id: 'WF-400',\n dossier_id: $json.dossier_id,\n child_workflows_executed: ['CWF-410', 'CWF-420', 'CWF-430', 'CWF-440'],\n execution_status: 'COMPLETED',\n media_packaged: $json.pack_validation.media_packaged,\n timestamp: new Date().toISOString()\n }\n }\n}];"
},
"id": "wf400_route_runs_write_node",
"name": "se_route_runs Write Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1520,
200
]
},
{
"parameters": {
"jsCode": "if ($json.pack_validation.route_to_error) return [];\nreturn [{\n json: {\n workflow_id: 'WF-400',\n execution_status: 'SUCCESS',\n completion_packet: {\n instance_id: 'WF-400-COMP-' + Date.now(),\n artifact_family: 'media_production_result',\n schema_version: '1.0.0',\n producer_workflow: 'WF-400',\n dossier_ref: $json.dossier_id,\n created_at: new Date().toISOString(),\n status: 'CREATED',\n payload: {\n pack_executed: 'WF-400',\n media_packaged: $json.pack_validation.media_packaged,\n next_workflow: 'WF-500',\n child_packets: ['CWF-410_output', 'CWF-420_output', 'CWF-430_output', 'CWF-440_output']\n }\n }\n }\n}];"
},
"id": "wf400_completion_packet_emission_node",
"name": "Completion Packet Emission Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1740,
200
]
},
{
"parameters": {
"jsCode": "if (!$json.pack_validation.route_to_error) return [];\nreturn [{\n json: {\n workflow_id: 'WF-400',\n routing_decision: 'ERROR',\n route_to_workflow: 'WF-900',\n error_message: 'Pack validation failed or media assembly failed',\n failure_context: $json.pack_validation,\n child_results: $json.pack_validation.child_results_aggregated\n }\n}];"
},
"id": "wf400_error_routing_node",
"name": "Error Routing WF-900 Node",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1300,
420
]
},
{
"id": "wf400_execute_cwf410_node",
"name": "Execute CWF-410 Thumbnail Generator",
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
1080,
300
],
"parameters": {
"source": "database",
"workflowId": {
"__rl": true,
"value": "o4lBg1mtZURFtaqN",
"mode": "id",
"cachedResultName": "CWF-410 Thumbnail Generator Canonical"
},
"mode": "each",
"options": {
"waitForSubWorkflow": true
}
},
"continueOnFail": true
},
{
"id": "wf400_capture_cwf410_node",
"name": "Capture CWF-410 Result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1330,
300
],
"parameters": {
"jsCode": "const subOutput = $json || {};\nlet parentCtx = {};\ntry { parentCtx = $('Execution Planner Node').first().json || {}; } catch(e) {}\nconst acc = { ...parentCtx };\nacc[\"cwf410_result\"] = {\n status: subOutput.execution_status || subOutput.status || 'SUCCESS',\n payload: subOutput.completion_packet || subOutput.payload || subOutput,\n captured_at: new Date().toISOString()\n};\nreturn [{ json: acc }];"
}
},
{
"id": "wf400_execute_cwf420_node",
"name": "Execute CWF-420 Visual Asset Planner",
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
1580,
300
],
"parameters": {
"source": "database",
"workflowId": {
"__rl": true,
"value": "132TdDgROIFwhcGj",
"mode": "id",
"cachedResultName": "CWF-420 Visual Asset Planner Canonical"
},
"mode": "each",
"options": {
"waitForSubWorkflow": true
}
},
"continueOnFail": true
},
{
"id": "wf400_capture_cwf420_node",
"name": "Capture CWF-420 Result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1830,
300
],
"parameters": {
"jsCode": "const subOutput = $json || {};\nlet parentCtx = {};\ntry { parentCtx = $('Execution Planner Node').first().json || {}; } catch(e) {}\nconst acc = { ...parentCtx };\ntry { const c = $('Capture CWF-410 Result').first(); if (c) acc[\"cwf410_result\"] = c.json[\"cwf410_result\"] || c.json; } catch(e) {}\nacc[\"cwf420_result\"] = {\n status: subOutput.execution_status || subOutput.status || 'SUCCESS',\n payload: subOutput.completion_packet || subOutput.payload || subOutput,\n captured_at: new Date().toISOString()\n};\nreturn [{ json: acc }];"
}
},
{
"id": "wf400_execute_cwf430_node",
"name": "Execute CWF-430 Audio Optimizer",
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
2080,
300
],
"parameters": {
"source": "database",
"workflowId": {
"__rl": true,
"value": "8CKfOEoJF7Gn8wZ0",
"mode": "id",
"cachedResultName": "CWF-430 Audio Script Optimizer Canonical"
},
"mode": "each",
"options": {
"waitForSubWorkflow": true
}
},
"continueOnFail": true
},
{
"id": "wf400_capture_cwf430_node",
"name": "Capture CWF-430 Result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2330,
300
],
"parameters": {
"jsCode": "const subOutput = $json || {};\nlet parentCtx = {};\ntry { parentCtx = $('Execution Planner Node').first().json || {}; } catch(e) {}\nconst acc = { ...parentCtx };\ntry { const c = $('Capture CWF-410 Result').first(); if (c) acc[\"cwf410_result\"] = c.json[\"cwf410_result\"] || c.json; } catch(e) {}\ntry { const c = $('Capture CWF-420 Result').first(); if (c) acc[\"cwf420_result\"] = c.json[\"cwf420_result\"] || c.json; } catch(e) {}\nacc[\"cwf430_result\"] = {\n status: subOutput.execution_status || subOutput.status || 'SUCCESS',\n payload: subOutput.completion_packet || subOutput.payload || subOutput,\n captured_at: new Date().toISOString()\n};\nreturn [{ json: acc }];"
}
},
{
"id": "wf400_execute_cwf440_node",
"name": "Execute CWF-440 Media Finalizer",
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
2580,
300
],
"parameters": {
"source": "database",
"workflowId": {
"__rl": true,
"value": "XAXHS0oYmUanPInV",
"mode": "id",
"cachedResultName": "CWF-440 Media Package Finalizer Canonical"
},
"mode": "each",
"options": {
"waitForSubWorkflow": true
}
},
"continueOnFail": true
},
{
"id": "wf400_capture_cwf440_node",
"name": "Capture CWF-440 Result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2830,
300
],
"parameters": {
"jsCode": "const subOutput = $json || {};\nlet parentCtx = {};\ntry { parentCtx = $('Execution Planner Node').first().json || {}; } catch(e) {}\nconst acc = { ...parentCtx };\ntry { const c = $('Capture CWF-410 Result').first(); if (c) acc[\"cwf410_result\"] = c.json[\"cwf410_result\"] || c.json; } catch(e) {}\ntry { const c = $('Capture CWF-420 Result').first(); if (c) acc[\"cwf420_result\"] = c.json[\"cwf420_result\"] || c.json; } catch(e) {}\ntry { const c = $('Capture CWF-430 Result').first(); if (c) acc[\"cwf430_result\"] = c.json[\"cwf430_result\"] || c.json; } catch(e) {}\nacc[\"cwf440_result\"] = {\n status: subOutput.execution_status || subOutput.status || 'SUCCESS',\n payload: subOutput.completion_packet || subOutput.payload || subOutput,\n captured_at: new Date().toISOString()\n};\nreturn [{ json: acc }];"
}
}
],
"connections": {
"Trigger Node": {
"main": [
[
{
"node": "Dossier Load Node",
"type": "main",
"index": 0
}
]
]
},
"Dossier Load Node": {
"main": [
[
{
"node": "Pack Initialization Node",
"type": "main",
"index": 0
}
]
]
},
"Pack Initialization Node": {
"main": [
[
{
"node": "Execution Planner Node",
"type": "main",
"index": 0
}
]
]
},
"Execution Planner Node": {
"main": [
[
{
"node": "Execute CWF-410 Thumbnail Generator",
"type": "main",
"index": 0
}
]
]
},
"Pack Validation Node": {
"main": [
[
{
"node": "Dossier Media Write Node",
"type": "main",
"index": 0
}
],
[
{
"node": "Error Routing WF-900 Node",
"type": "main",
"index": 0
}
]
]
},
"Dossier Media Write Node": {
"main": [
[
{
"node": "se_route_runs Write Node",
"type": "main",
"index": 0
}
]
]
},
"se_route_runs Write Node": {
"main": [
[
{
"node": "Completion Packet Emission Node",
"type": "main",
"index": 0
}
]
]
},
"Completion Packet Emission Node": {
"main": [
[]
]
},
"Error Routing WF-900 Node": {
"main": [
[]
]
},
"Execute CWF-410 Thumbnail Generator": {
"main": [
[
{
"node": "Capture CWF-410 Result",
"type": "main",
"index": 0
}
]
]
},
"Capture CWF-410 Result": {
"main": [
[
{
"node": "Execute CWF-420 Visual Asset Planner",
"type": "main",
"index": 0
}
]
]
},
"Execute CWF-420 Visual Asset Planner": {
"main": [
[
{
"node": "Capture CWF-420 Result",
"type": "main",
"index": 0
}
]
]
},
"Capture CWF-420 Result": {
"main": [
[
{
"node": "Execute CWF-430 Audio Optimizer",
"type": "main",
"index": 0
}
]
]
},
"Execute CWF-430 Audio Optimizer": {
"main": [
[
{
"node": "Capture CWF-430 Result",
"type": "main",
"index": 0
}
]
]
},
"Capture CWF-430 Result": {
"main": [
[
{
"node": "Execute CWF-440 Media Finalizer",
"type": "main",
"index": 0
}
]
]
},
"Execute CWF-440 Media Finalizer": {
"main": [
[
{
"node": "Capture CWF-440 Result",
"type": "main",
"index": 0
}
]
]
},
"Capture CWF-440 Result": {
"main": [
[
{
"node": "Pack Validation Node",
"type": "main",
"index": 0
}
]
]
}
},
"meta": {
"workflow_id": "WF-400",
"phase": "phase4",
"vein": "media_vein",
"purpose": "Media production pack parent (deferred).",
"implementation_depth": "production_grade",
"owner_director": "narada",
"next_workflow": "WF-500",
"canonical_file": "n8n/workflows/WF-400.json",
"wf900_error_route": "WF-900",
"phase2_chaining": {
"applied_at": "2026-04-29",
"pattern": "cwf410_to_cwf440_sequential",
"acceptance": "all_children_must_execute"
}
},
"active": true
}
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About this workflow
WF-400 Media Production Pack Canonical. Uses executeWorkflowTrigger. Event-driven trigger; 17 nodes.
Source: https://github.com/justkalpane/Shadow-Creator-OS-Phase_01/blob/0447c2f91c0b7669a61f768fac60fa911acf2cc5/n8n/workflows/WF-400.json — original creator credit. Request a take-down →
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