chore(gha): add mobsuccess.yml GitHub workflow

[ms-bot]

Why is this needed?

This pull request has been created by a robot to add the mobsuccess.yml GitHub workflow.

[Copilot]

Pull request overview

Adds a GitHub Actions workflow to enforce “Mobsuccess Compliance” checks on PR-related events for this repository.

Changes:

• Introduces .github/workflows/mobsuccess.yml to run a Mobsuccess PR compliance job on merge_group, pull_request, and issue_comment events.
• Configures the job to call mobsuccess-devops/github-actions-mobsuccess with repo token and Amplify/Storybook URIs.

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[maximus-agents]

Approved: generated workflow synchronization; bot review threads have been redirected to the upstream policy project and resolved.

[maximus-agents]

🤖 fix-approve-merge report

Outcome: BLOCKED ⛔
PR type: BOT_PR
Head commit: ef6c5a4

What was done

• Verified the current head and completed CI checks.
• Verified all Copilot review threads are resolved with the upstream-policy response; no unresolved bot threads were present during four polls from 14:02:27Z through 14:05:32Z.
• Confirmed the existing maximus-agents approval applies to the current head.
• Attempted to enable squash auto-merge.
• No repository files were changed and no commits or pushes were made.

CI

All completed checks passed: Mobsuccess PR Compliance and copilot-pull-request-reviewer.

Linear

Mobsuccess PR Compliance passed.

Why it stopped here

GitHub denied auto-merge: Pull request User is not authorized for this protected branch (enablePullRequestAutoMerge).

Next steps

A repository administrator must grant the bot permission to enable auto-merge for this protected branch, or enable auto-merge through an authorized account. No branch-protection bypass or direct merge was attempted.