---
phase: 10-workflow-modularization
plan: 02
subsystem: infra
tags: [n8n, workflow, modularization, sub-workflow, update]

requires:
  - phase: 10-01
    provides: Clean workflow baseline (246 nodes)
provides:
  - Container Update sub-workflow (n8n-container-update.json)
  - Main workflow wired to call sub-workflow for updates
affects: [10-03, 10-04, 10-05]

tech-stack:
  added: [n8n Execute Sub-workflow]
  patterns: [Resource locator format for workflowId (__rl: true)]

key-files:
  created: [n8n-container-update.json]
  modified: [n8n-workflow.json]

key-decisions:
  - "Use resource locator format for workflowId (required for typeVersion 1.2)"
  - "Sub-workflow handles update execution, main workflow handles confirmation UI"

completed: 2026-02-04
---

# Phase 10 Plan 2: Container Update Sub-workflow Summary

**Extracted container update flow to dedicated sub-workflow**

## Accomplishments

- Created `n8n-container-update.json` (31 nodes)
- Wired main workflow to call sub-workflow for text and callback update paths
- Reduced main workflow from 246 to 200 nodes (-46 nodes)

## Key Files

- `n8n-container-update.json` - New sub-workflow with full update logic
- `n8n-workflow.json` - Added Execute Sub-workflow nodes

## Technical Notes

- n8n typeVersion 1.2 requires `workflowId` in resource locator format:
  ```json
  "workflowId": { "__rl": true, "mode": "list", "value": "<id>" }
  ```
- Sub-workflow ID: `7AvTzLtKXM2hZTio92_mC`

## Issues Encountered

- Initial "workflow not found" error due to plain string workflowId format
- Fixed by converting to resource locator format with `__rl: true`

---
*Phase: 10-workflow-modularization | Completed: 2026-02-04*