Introduce /me endpoint

[maximilianoertel]

Proposed changes

This PR adds the /me endpoint that returns the authenticated user's profile.

Endpoint
GET /v1/me

Response (200 OK)

  {
    "data": {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "userType": "student",
      "nameFirst": "John",
      "nameLast": "Doe"
    }
  }

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring (non-breaking change that does not add functionality but makes code cleaner or more efficient)
• Documentation Update
• Tests (new or updated tests)
• Style (changes to code styling)
• CI (continuous integration changes)
• Repository Maintenance
• Other (please describe below)

Resolves https://github.com/yeatmanlab/roar-project-management/issues/1427

[cypress]

roar-dashboard-e2e    Run #18470

Run Properties:   Passed #18470  •  cc1c2b5c05: Introduce `/me` endpoint (#1501)

Project	roar-dashboard-e2e
Branch Review	enh/1427/backend-me-endpoint
Run status	Passed #18470
Run duration	03m 01s
Commit	cc1c2b5c05: Introduce `/me` endpoint (#1501)
Committer	Maximilian Oertel
View all properties for this run ↗︎

---

Test results
Failures	0
Flaky	0
Pending	0
Skipped	0
Passing	83
View all changes introduced in this branch ↗︎

[github-actions]

Coverage Report for Dashboard (apps/dashboard)

Status	Category	Percentage	Covered / Total
🔵	Lines	48.83%	1760 / 3604
🔵	Statements	48.85%	1893 / 3875
🔵	Functions	41.4%	429 / 1036
🔵	Branches	51.06%	910 / 1782

File Coverage

No changed files found.

Generated in workflow #3858 for commit a687916 by the Vitest Coverage Report Action

[github-actions]

Visit the preview URL for this PR (updated for commit a687916):

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