fix: Add streamable MCP server support (#468)

* fix: Add streamable MCP server support(#349)

* “Revert-timeout”

* fix lint and test check

* modify streamable error notify

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>

web/src/core/mcp/schema.ts

@@ -47,6 +47,11 @@ export const MCPConfigSchema = z.object({
               message: "`env` must be an object of key-value pairs",
             })
             .optional(),
+          transport: z
+            .enum(["sse", "streamable_http"], {
+              message: "transport must be either sse or streamable_http"
+            })
+            .default("sse"),
         }),
       ],
       {