add GPT-5 model constants and reasoning validation #2073

	name: Sanity check

	on:
	- push
	- pull_request

	jobs:
	prcheck:
	name: Sanity check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.24'
	- name: Run vet
	run: \|
	go vet -stdversion ./...
	- name: Run golangci-lint
	uses: golangci/golangci-lint-action@v7
	with:
	version: v2.1.5
	- name: Run tests
	run: go test -race -covermode=atomic -coverprofile=coverage.out -v ./...
	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v5
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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