feat: export method names as consts (#192)

* feat: export method names as consts

* rename

* fix

* format

src/types.ts

@@ -12,6 +12,20 @@
 // Re-export all types from spec.types.ts
 export {
   LATEST_PROTOCOL_VERSION,
+  OPEN_LINK_METHOD,
+  MESSAGE_METHOD,
+  SANDBOX_PROXY_READY_METHOD,
+  SANDBOX_RESOURCE_READY_METHOD,
+  SIZE_CHANGED_METHOD,
+  TOOL_INPUT_METHOD,
+  TOOL_INPUT_PARTIAL_METHOD,
+  TOOL_RESULT_METHOD,
+  TOOL_CANCELLED_METHOD,
+  HOST_CONTEXT_CHANGED_METHOD,
+  RESOURCE_TEARDOWN_METHOD,
+  INITIALIZE_METHOD,
+  INITIALIZED_METHOD,
+  REQUEST_DISPLAY_MODE_METHOD,
   type McpUiTheme,
   type McpUiDisplayMode,
   type McpUiStyleVariableKey,