Add CI pipeline configuration for automated builds and tests

[codebyNorthsteep]

This pull request introduces a new GitHub Actions workflow for continuous integration (CI). The workflow is designed to automatically build and test the project using Maven whenever changes are pushed to or a pull request is opened against the main or develop branches.

CI/CD pipeline setup:

• Added a .github/workflows/ci.yml file to define a CI pipeline that triggers on pushes and pull requests to the main and develop branches.
• Configured the workflow to:
  • Check out the code using actions/checkout@v4.
  • Set up Java 25 using actions/setup-java@v4 with Maven caching enabled.
  • Ensure the Maven wrapper (mvnw) is executable.
  • Build and test the project using ./mvnw clean verify.

Summary by CodeRabbit

• Chores
  • Added automated CI/CD pipeline that runs build verification on all pushes and pull requests to main and develop branches, using Java 25 with Maven.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 463a6cb6-e9df-4b38-a695-ee23904b7241

📥 Commits

Reviewing files that changed from the base of the PR and between 4eb7682 and 1ca65c6.

📒 Files selected for processing (1)

• src/test/java/org/example/projectbifrost/ProjectBifrostApplicationTests.java

📝 Walkthrough

Walkthrough

This PR introduces a GitHub Actions CI workflow that automatically builds and tests the project on pushes and pull requests to main and develop branches. The workflow uses Java 25 with Maven caching to optimize build times and executes mvn clean verify for compilation and testing.

Changes

CI Pipeline Setup

Layer / File(s)	Summary
CI Workflow Configuration .github/workflows/ci.yml	GitHub Actions workflow added with triggers for push and pull_request on main/develop, Java 25 (Temurin) environment setup with Maven caching, executable Maven wrapper, and ./mvnw clean verify build command.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Poem

🐰 A workflow is born, so steady and true,
Maven and Java, they'll both work for you,
On push and PR, the builder runs fast,
With cache in the wings, no moment is wasted!
Bifrost now builds, automated and clean. ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add CI pipeline configuration for automated builds and tests' directly and accurately describes the main change in the pull request—adding a GitHub Actions workflow file for continuous integration.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch enhancement/ci-pipeline

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[coderabbitai]

Actionable comments posted: 2

🧹 Nitpick comments (1)

.github/workflows/ci.yml (1)

10-12: ⚡ Quick win

Add a job timeout to avoid hung CI runs.

Set a timeout-minutes on build so a stalled Maven/test run doesn’t consume runners indefinitely.

Proposed reliability diff

 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 20

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.github/workflows/ci.yml around lines 10 - 12, The CI workflow's build job
lacks a timeout and can hang indefinitely; add a timeout-minutes setting to the
build job (the job named "build") in .github/workflows/ci.yml—for example add
timeout-minutes: 30 under the build job definition to ensure the runner is
automatically cancelled if Maven/tests stall.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.github/workflows/ci.yml:
- Around line 9-13: The workflow omits explicit token permissions; add a
top-level permissions block to the CI workflow that restricts GITHUB_TOKEN to
read-only repo access by declaring permissions: contents: read at the workflow
level (i.e., alongside the existing jobs: and runs-on: keys) so the build job
named "build" runs with least-privilege access.
- Around line 15-18: The workflow uses mutable action tags "actions/checkout@v4"
and "actions/setup-java@v4"; replace both with their corresponding full commit
SHAs (the immutable commit refs for actions/checkout and actions/setup-java) so
the workflow pins to exact commits—locate the two usages "actions/checkout@v4"
and "actions/setup-java@v4" in the CI YAML and update each to the vetted full
SHA for that action (ensure you fetch the canonical SHA from the actions' GitHub
repo releases or tags and use those exact SHA strings).

---

Nitpick comments:
In @.github/workflows/ci.yml:
- Around line 10-12: The CI workflow's build job lacks a timeout and can hang
indefinitely; add a timeout-minutes setting to the build job (the job named
"build") in .github/workflows/ci.yml—for example add timeout-minutes: 30 under
the build job definition to ensure the runner is automatically cancelled if
Maven/tests stall.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e7ae6740-fa4d-46bf-ac19-79d0c76b4b9a

📥 Commits

Reviewing files that changed from the base of the PR and between c266b4f and 4eb7682.

📒 Files selected for processing (1)

• .github/workflows/ci.yml