v0.30.1 configuration engine as wasm

AGENTS.md

@@ -82,7 +82,8 @@ change touches.
 - `internal/compose` is the engine `lw --tui` and the website's WebAssembly
   share: it edits pipelines and writes the command line, environment and file
   forms, each loading back to the same pipelines; it reads no file and links
-  no TLS, HTTP or terminal code (its test runs `go list -deps`).
+  no TLS, HTTP or terminal code (its test runs `go list -deps`). `cmd/lwconf`
+  hands it to the page as WebAssembly (`make wasm`; `node --test` there).
 - `cmd/lw/cli.go` owns the command line: lw's own flags, and the commands
   table whose groups (`auth`, `tls`, `preset`, `config`) share one flag
   mechanism; `config.Load` takes the parsed `config.Args`. Presets are rows of