test(mcp): cover call_tool error-code mapping#75
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Extract the ToolError -> McpError mapping out of `call_tool` into a free `map_dispatch_result` helper so it can be exercised without constructing an rmcp `RequestContext` (whose `Peer` constructor is crate-private). Add unit tests for each variant — UnknownTool, InvalidInput, Analyzer::InvalidArgument, Analyzer::LimitTooLarge, Analyzer::Internal — plus the success path forwarding the structured value, locking in the MCP error codes that clients depend on. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Extract the ToolError -> McpError mapping out of
call_toolinto a freemap_dispatch_resulthelper so it can be exercised without constructing an rmcpRequestContext(whosePeerconstructor is crate-private). Add unit tests for each variant — UnknownTool, InvalidInput, Analyzer::InvalidArgument, Analyzer::LimitTooLarge, Analyzer::Internal — plus the success path forwarding the structured value, locking in the MCP error codes that clients depend on.