Sam Morrow
3085e59f66
* fix(http): reject unsupported subscription streams Use the Mcp-Method header to reject subscriptions/listen with the spec-defined 404 Method Not Found response instead of opening an idle SSE stream. Preserve SDK validation for missing or mismatched headers. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: 06d5dda1-4086-4996-8d18-152e45e611b0 * refactor(http): clarify subscription rejection Document why header validation precedes the unsupported-method rejection and use named SDK error constants in tests. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: 06d5dda1-4086-4996-8d18-152e45e611b0 --------- Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: 06d5dda1-4086-4996-8d18-152e45e611b0