model: add Duration unit constants and conversion methods #191

	name: CI
	on:
	pull_request:
	push:
	branches: [main, 'release-*']
	tags: ['v*']

	permissions:
	contents: read

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	- name: Install Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: 1.26.x
	- run: make check_license
	- run: make style
	- run: make -C assets style
	- run: make check-go-mod-version

	test-assets:
	name: Test Assets
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	- name: Install Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: 1.26.x
	- run: make -C assets test

	test:
	name: Test
	runs-on: ubuntu-latest
	env:
	# Override Go 1.18 security deprecations.
	GODEBUG: "x509sha1=1,tls10default=1"
	strategy:
	matrix:
	go:
	- 1.25.x
	- 1.26.x
	steps:
	- name: Checkout repository
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	- name: Install Go
	uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
	with:
	go-version: ${{ matrix.go }}
	- run: make test

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