Cherry-pick: feat: Set LOCAL_MCP_PORT in environment for local MCP server connectivity tests

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Cherry-pick to main

This PR cherry-picks the changes from #214 which was merged to release/0.8.x.

Original PR

• PR: feat: Set LOCAL_MCP_PORT in environment for local MCP server connectivity tests #214
• Title: feat: Set LOCAL_MCP_PORT in environment for local MCP server connectivity tests
• Author: @frontegg-david
• Merged to: release/0.8.x

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Please review this cherry-pick to ensure it applies correctly to main.

If the changes are NOT needed in main, close this PR.

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