chrome+firefox v0.3.1 Makefile and dist/ build/ folders

tools/sw-smoke.mjs

@@ -29,14 +29,15 @@
 //
 // This evaluates the built bundle in a worker-shaped sandbox with a stubbed
 // extension API, and asserts that it registers exactly one content script, for
-// exactly the configured origin. Run it against build/ after a build:
+// exactly the configured origin.
 //
 //   make smoke
+//   node tools/sw-smoke.mjs [path/to/background.js]
 
 import { readFileSync } from 'node:fs';
 import vm from 'node:vm';
 
-const BUNDLE = 'build/background.js';
+const BUNDLE = process.argv[2] ?? 'build/chrome/background.js';
 const CONFIGURED_ORIGIN = 'https://portal.example.br';
 
 const permissionChecks = [];