Remove unexported error cases and restructure error format #26

	name: CI

	on:
	push:
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.23'

	- name: Build
	run: make build

	- name: Run tests against mock handler
	run: make test

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