janis-commerce / api / 28254610120

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Pull #9

github

[JV2-158] Normalize request header keys to lowercase

HTTP header names are case-insensitive (RFC 7230). Over HTTP/2 they are
forced to lowercase, but over HTTP/1 a consumer may send them in any case
(e.g. 'x-janis-Page'), causing APIs that read headers in lowercase to miss
them and fall back to defaults (e.g. an infinite pagination loop in api-list).

Normalize header keys to lowercase in the dispatcher so every API reads them
consistently regardless of the casing received.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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