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2d4115530c
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>