chore: initial ci jobs

[sgammon]

Summary

Adds initial CI jobs on-push and on-PR.

Changelog

chore: add build job
chore: add pr job hook
chore: add push job hook

[Copilot]

Pull Request Overview

Adds initial CI workflows for push and pull request events by introducing two trigger files and a reusable build workflow.

• Introduce on.push.yml to trigger CI on pushes to main
• Introduce on.pr.yml to trigger CI on all pull requests
• Add job.build.yml as a reusable build workflow with Maven and Gradle steps

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
.github/workflows/on.push.yml	Defines push trigger for main to call the build job
.github/workflows/on.pr.yml	Defines PR trigger to call the build job
.github/workflows/job.build.yml	Implements reusable build workflow steps

Comments suppressed due to low confidence (1)

.github/workflows/on.push.yml:1

• [nitpick] Consider renaming this file to on-push.yml (and on.pr.yml to on-pr.yml) to align with common GitHub Actions naming conventions and avoid confusion with the file extension.

.github/workflows/on.push.yml

[Copilot]

[nitpick] Remove unnecessary double quotes around static values (e.g., name: CI) and keys to improve YAML readability and consistency.

Suggested change

	name: "CI"
	"on":
	push:
	branches:
	- main
	permissions:
	contents: "read"
	jobs:
	build:
	name: "Build"
	uses: ./.github/workflows/job.build.yml
	secrets: inherit
	permissions:
	contents: "read"
	with:
	runner: "ubuntu-latest"
	name: CI
	on:
	push:
	branches:
	- main
	permissions:
	contents: read
	jobs:
	build:
	name: Build
	uses: ./.github/workflows/job.build.yml
	secrets: inherit
	permissions:
	contents: read
	with:
	runner: ubuntu-latest

[Copilot]

Since runner has a default value in the workflow_call inputs, you can simplify this to runs-on: ${{ inputs.runner }} without the fallback.

Suggested change

	runs-on: ${{ inputs.runner || 'ubuntu-latest' }}
	runs-on: ${{ inputs.runner }}