Add a build/test CI check; bump Actions to latest majors

[shimat]

Summary

• Add .github/workflows/ci.yml: on push/PR to main, restores, builds (Debug), and runs tests — a fast signal for whether a Renovate dependency bump still builds, without needing the Release-only wasm-opt workaround already in deploy-pages.yml.
• Add BlazorApp.Tests, an xUnit v3 (xunit.v3.mtp-v2) project referencing BlazorApp and covering SampleCatalog's invariants: unique routes, every route resolves to an actual @page route (checked via reflection over the built assembly's RouteAttributes), required metadata fields are populated, and ByCategory accounts for every sample exactly once.
• Add global.json opting into the Microsoft.Testing.Platform dotnet test runner, required for xunit.v3.mtp-v2 on the .NET 10 SDK.
• Bump actions/checkout v4→v7, actions/setup-dotnet v4→v6, actions/upload-pages-artifact v3→v5, actions/deploy-pages v4→v5 in both workflows.

Test plan

• dotnet restore / dotnet build -c Debug / dotnet test BlazorApp.Tests all pass locally from a clean checkout (27/27 tests).
• CI run on this PR is green.

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features

  • Added automated checks to verify sample routes, metadata, and category coverage.
  • Added a dedicated test project targeting .NET 10.

• CI/CD

  • Added continuous build and test validation for pull requests and pushes to the main branch.
  • Updated GitHub Pages deployment actions to newer versions.

• Bug Fixes

  • Improved detection of missing, duplicate, or mismatched sample routes and metadata.

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Review details

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 8087b76b-4e9a-4245-a79b-43a272071f1c

📥 Commits

Reviewing files that changed from the base of the PR and between 688a076 and d6ee6b5.

📒 Files selected for processing (1)

• .github/workflows/ci.yml

📝 Walkthrough

Walkthrough

The PR adds .NET 10 xUnit tests for SampleCatalog, registers the test project in the solution, configures Microsoft Testing Platform, introduces CI build and test automation, and upgrades GitHub Pages deployment actions.

Changes

Test automation

Layer / File(s)	Summary
Test project setup BlazorApp.Tests/BlazorApp.Tests.csproj, BlazorApp.Tests/xunit.runner.json, global.json, OpenCvSharpBlazorSamples.sln	Adds the .NET 10 executable xUnit project, runner configuration, Microsoft Testing Platform selection, and solution build mappings.
Sample catalog validation BlazorApp.Tests/SampleCatalogTests.cs	Adds tests for route uniqueness and matching pages, required sample metadata, and complete category accounting.
Continuous integration execution .github/workflows/ci.yml	Adds pull request and main-branch push automation to restore, build, and test the solution with the WebAssembly workload in Debug mode.

Pages deployment updates

Layer / File(s)	Summary
GitHub Pages action upgrades .github/workflows/deploy-pages.yml	Upgrades checkout, .NET setup, Pages artifact upload, and Pages deployment actions while preserving the existing workflow logic.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related PRs

• shimat/opencvsharp_blazor_sample#15: Adds or changes SampleCatalog entries and routes covered by the new catalog validation tests.

🚥 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 accurately summarizes the main changes: adding CI build/test automation and updating GitHub Actions majors.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ci/add-build-check-and-tests

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[coderabbitai]

Actionable comments posted: 1

🤖 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:
- Line 13: Update the actions/checkout step to set persist-credentials to false,
preventing the GitHub token from being stored in local Git configuration while
preserving the existing checkout behavior.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

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

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: f75aeaba-be29-47af-b4eb-f5b4917750e8

📥 Commits

Reviewing files that changed from the base of the PR and between deb035c and 688a076.

📒 Files selected for processing (7)

• .github/workflows/ci.yml
• .github/workflows/deploy-pages.yml
• BlazorApp.Tests/BlazorApp.Tests.csproj
• BlazorApp.Tests/SampleCatalogTests.cs
• BlazorApp.Tests/xunit.runner.json
• OpenCvSharpBlazorSamples.sln
• global.json