fix(client-oauth2): Preserve URL fragments in OAuth2 authorization URIs #21012
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Summary
Fixes an issue where URL fragments (hash
#
) in OAuth2 authorization URIs were being stripped during query parameter construction, causing authentication failures with OAuth providers that use fragment-based authorization endpoints.Changes:
URL.searchParams
usage with manual query string building to preserve fragmentsRelated Linear tickets, Github issues, and Community forum posts
https://linear.app/n8n/issue/GHC-5087
Review / Merge checklist
release/backport
(if the PR is an urgent fix that needs to be backported)