Merge remote-tracking branch 'gh/main' into fix/web-panel-clicks

web/app.js

@@ -4,6 +4,7 @@
 import init, { Client } from "./pkg/improvise_wasm_client.js";
 import {
   COL_PX,
+  HANDSHAKE_TIMEOUT_MS,
   ROW_PX,
   createShell,
   extentOf,
@@ -40,13 +41,15 @@ const client = new Client();
 
 // A peer that never answers the handshake, and the two facts `#status` shows.
 // Both are decided in shell.js; this is the wire to the element.
-const HANDSHAKE_TIMEOUT_MS = 8000;
 const shell = createShell({
   onStatus: (text) => {
     el.status.textContent = text;
   },
   timeoutMs: HANDSHAKE_TIMEOUT_MS,
 });
+// The harness asks whether the watchdog is ARMED, because a negative assertion
+// about it is vacuous where it is not (clients.md). Read by tests, nothing else.
+window.__improviseShell = shell;
 
 // What the grid's own frame costs, in whole cells, as of the last repaint —
 // measured off the painted model, never predicted. context/code/clients.md.