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Switch the npm bin entry from index.js to stdio-wrapper.js to prevent INFO-level logs from corrupting the JSON-RPC stdio transport. Also update both publish scripts so the fix persists across releases. Fixes #693. Preserve node credentials during full workflow updates. AI-generated node updates typically omit credential references, causing the n8n API to reject the PUT. The update handler now merges credentials from the current server-side workflow when user-provided nodes lack them. Fixes #689. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>