refactor: reconcile retry defaults and backoff across the two retry s… #35

	name: CI

	# Run the full Gradle build on every pull request and on pushes to main.
	# `./gradlew build` runs the complete quality gate: tests, ktlint, detekt,
	# apiCheck (binary-compatibility), explicit-API strict mode, allWarningsAsErrors,
	# and the aggregate 80% Kover line-coverage floor.
	on:
	pull_request:
	push:
	branches: [main]

	# Cancel superseded runs on the same ref so only the latest commit of a branch/PR builds.
	concurrency:
	group: ci-${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository
	uses: actions/checkout@v4
	with:
	# The styleguide directory is a git submodule; fetch it so the working tree matches local checkouts.
	submodules: recursive

	# Install a single Temurin JDK 21. The build's Gradle daemon runs on this JVM, and the
	# foojay-resolver-convention plugin (settings.gradle.kts) auto-provisions the JDK 8 and
	# JDK 11 toolchains the Java-8 and JDK-11 modules require. JDK 21 also satisfies the
	# virtual-threads module's toolchain. JDK 21 (rather than the newest LTS) is deliberate:
	# detekt 1.23.x crashes on JDK 25+, so keeping the daemon on 21 keeps the detekt gate green.
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	distribution: temurin
	java-version: '21'

	# Built-in Gradle dependency and build caching, plus wrapper validation.
	- name: Set up Gradle
	uses: gradle/actions/setup-gradle@v4

	- name: Build
	run: ./gradlew build

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