[BUG][UI]: Redirect manually accessed admin/logout to admin/login page

[msureshkumar88]

🐞 Bug Summary

Briefly describe the issue or unexpected behavior.

When manually navigating to admin/logout, the user should be automatically redirected to the admin/login page instead of remaining on the logout endpoint or seeing an unexpected response. This ensures a proper logout flow and provides a clear path for the user to log in again.

Note:
The admin/logout route can currently be accessed both with and without an active login session. If the user is already logged out, the admin/logout page should not be accessible. Instead, the user should be immediately redirected to the admin/login page.

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🧩 Affected Component

Select the area of the project impacted:

• mcpgateway - API
• mcpgateway - UI (admin panel)
• mcpgateway.wrapper - stdio wrapper
• Federation or Transports
• CLI, Makefiles, or shell scripts
• Container setup (Docker/Podman/Compose)
• Other (explain below)

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🔁 Steps to Reproduce

1. Manually enter admin/logout into browser
2. Page will clear and show 'Logged out' message

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🤔 Expected Behavior

What should have happened instead?

Page should be redirected to admin/login

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📓 Logs / Error Output

Paste any relevant stack traces or logs here.
⚠️ Do not paste secrets, credentials, or tokens.

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🧠 Environment Info

You can retrieve most of this from the /version endpoint.

Key	Value
Version or commit	1.0.0-RC2
Runtime	Python 3.12
Platform / OS	e.g. Ubuntu 22.04
Container	none

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🧩 Additional Context (optional)

Add any configuration details, flags, or related issues.