[CircleCI] Expand Integration

[vikramships]

Description

Expand the existing SuperPlane integration for CircleCI so users can build richer CI/CD observability and workflow-inspection pipelines. The current integration is at pkg/integrations/circleci. Use the existing components as an example of what to do for the new ones.

New Components

• Get Workflow — Retrieve workflow details by ID, including status, jobs, duration, and pipeline info. API: GET /workflow/{id} + GET /workflow/{id}/job
• Get Last Workflow — Get the most recent workflow for a project, with optional filters for branch and status (passed/failed/etc). API: GET /project/{project-slug}/pipeline → GET /pipeline/{id}/workflow
• Get Recent Workflow Runs — Retrieve aggregated workflow run data including success rate, throughput, and duration metrics. API: GET /insights/{project-slug}/workflows
• Get Test Metrics — Retrieve test performance data including failure counts, durations, and slowest tests. API: GET /insights/{project-slug}/workflows/{workflow-name}/test-metrics
• Get Flaky Tests — Identify flaky tests in a project with flakiness rate and test details. API: GET /insights/{project-slug}/flaky-tests

Bounty Details

• Read How to build an integration and Integration bounties before starting.
• We encourage you to join Discord and reach out to the team with any questions.
• Attach a short video showing: (1) setting up the integration, and (2) the working components in use.

Acceptance Criteria

• New components work as described
• Has proper tests
• Has proper documentation
• Passed code quality review
• Passed functionality review
• Passed UI/UX review

[bountyhub-app]

🚀 Bounty Alert!

💰 A bounty of $125.00 has been created by AleksandarCole on BountyHub for this issue.

🔗 Claim this bounty by submitting a pull request that solves this issue!

You can also increase the amount of the bounty if you think the issue is worth more.

Good luck, and happy coding! 💻

[vikramships]

I can take this on, please assign it to me.

[bitdeckai]

I can take this bounty. Plan: implement the 5 CircleCI components (Get Workflow, Get Last Workflow, Get Recent Workflow Runs, Get Test Metrics, Get Flaky Tests) using existing integration patterns in pkg/integrations/circleci, add tests/fixtures if the integration framework supports them, and document any required CircleCI token scopes. I will open a PR with all components in one submission.

[Manideepchopperla]

@AleksandarCole can you please assign this task to me if they hadn't done. Or can I parallelly work on the issue and raise the PR??