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feat: add patchNodeField operation for surgical string edits (v2.46.0) (#698)

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Add dedicated `patchNodeField` operation to `n8n_update_partial_workflow`
for surgical find/replace edits in node string fields. Strict alternative
to the existing `__patch_find_replace` in updateNode — errors on not-found,
detects ambiguous matches, supports replaceAll and regex flags.

Security hardening:
- Prototype pollution protection in setNestedProperty/getNestedProperty
- ReDoS protection rejecting unsafe regex patterns (nested quantifiers)
- Resource limits: max 50 patches, 500-char regex, 512KB field size

Fixes #696

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Romuald Członkowski
2026-04-03 09:53:44 +02:00
committed by GitHub
parent ca20586eda
commit 2d4115530c
28 changed files with 1019 additions and 37 deletions
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2
dist/mcp/handlers-workflow-diff.d.ts.map vendored
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@@ -1 +1 @@
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