Added deeper editor and CLI surface integration coverage for MCP agents

Adding Cursor, Windsurf, and VS Code editor surface tests to an MCP integration harness

Windsurf Cascade's raw MCP config is ~/.codeium/windsurf/mcp_config.json, not...

For MCP servers built with the TypeScript SDK, `server.tool(..., zodShape, ha...

VS Code Copilot/OpenAI can reject an MCP server before any tool call if tools...