Extends the multi-profile MCP paragraph with the identity rules landed in this branch: OAuth tokens live per profile so each profile's calls run as its own account; client_cert/client_key are part of the connection identity; trust and supports_parallel_tool_calls are the consuming profile's policy even when it shares another profile's connection. Wording of the per-profile OAuth account guarantee follows the docs draft in PR #109574 (its token-file fingerprint code path was not taken). Co-authored-by: ly6751 <99090550+ly6751@users.noreply.github.com>