docs: Create COMMANDS.md and link from README (Closes #93) #63

	# Java CI Build — runs on pull_request (executes PR code)
	# This job does not attempt to write comments/labels; keep write actions in pull_request_target workflows.
	name: ⚙️ Java CI Build

	on:
	pull_request:
	types: [opened, reopened, synchronize]

	permissions:
	contents: read
	pull-requests: read

	jobs:
	build:
	name: Build and Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout PR code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	java-version: '17'
	distribution: 'temurin'

	- name: Cache Maven local repository
	uses: actions/cache@v4
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-

	- name: Build (Maven)
	run: mvn -B -DskipTests=false package

	- name: Run tests
	run: mvn test -B

	- name: Upload build artifact (optional)
	if: success()
	uses: actions/upload-artifact@v4
	with:
	name: mycmd-build
	path: target/*.jar

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