[Bug]: Test tool UI passes array inputs as strings

[madhav165]

🐞 Bug Summary

Test tool UI passes array inputs as strings

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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. Test a tool with one of the inputs of type array, e.g. check-servers
2. Enter a list of servers
3. Tool call fails saying the list is not of type array

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🤔 Expected Behavior

Parse fields with input schema type array as arrays and pass to tool calling API

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📓 Logs / Error Output

Input validation error: \[{'host': '8.8.8.8', 'name': 'Google Public DNS', 'responds_to_icmp': True, 'location': 'Global', 'notes': 'Widely used, low-latency'}]\" is not of type 'array'"

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