feat: Configurable Logging Level per MCP Server

[vorburger]

google/adk-java#370

google/adk-java#374

[gemini-code-assist]

Summary of Changes

Hello @vorburger, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces the capability to configure the logging level for each Model Context Protocol (MCP) server connection. Previously, the logging level was hardcoded, but now it can be specified per server, allowing for more granular control over the verbosity of logs.

Highlights

• Configurable Logging Level: The McpSyncClient now accepts a McpSchema.LoggingLevel parameter, enabling dynamic setting of the logging level for MCP server connections.
• Default Logging Level: A new log field of type McpSchema.LoggingLevel has been added to the McpServerConnectionsConfig.Server class, defaulting to WARNING, allowing individual server configurations to specify their desired logging verbosity.

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[gemini-code-assist]

Code Review

This pull request introduces a valuable feature for configuring the logging level on a per-server basis. The implementation is correct and follows the existing structure. I've provided two suggestions to enhance code quality: one to avoid a redundant map lookup for better performance and maintainability, and another to improve the clarity of a new configuration property's name.