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9f737c28dd
Addresses #16244 This was a performance regression introduced when we moved the TUI on top of the app server API. Problem: `/mcp` rebuilt a full MCP inventory through `mcpServerStatus/list`, including resources and resource templates that made the TUI wait on slow inventory probes. Solution: add a lightweight `detail` mode to `mcpServerStatus/list`, have `/mcp` request tools-and-auth only, and cover the fast path with app-server and TUI tests. Testing: Confirmed slow (multi-second) response prior to change and immediate response after change. I considered two options: 1. Change the existing `mcpServerStatus/list` API to accept an optional "details" parameter so callers can request only a subset of the information. 2. Add a separate `mcpServer/list` API that returns only the servers, tools, and auth but omits the resources. I chose option 1, but option 2 is also a reasonable approach.