Add packaged desktop auto-update

scripts/guard.ts

@@ -77,6 +77,8 @@ const residualAllowedExactPaths = new Set([
   "tools/pack/esbuild.config.mjs",
   "tools/pr/bin/tools-pr.mjs",
   "tools/pr/esbuild.config.mjs",
+  "tools/serve/bin/tools-serve.mjs",
+  "tools/serve/esbuild.config.mjs",
   "tools/pack/resources/mac/notarize.cjs",
   // electron-builder hook path; CJS compatibility entry used by tools-pack desktop builds.
   "tools/pack/resources/web-standalone-after-pack.cjs",
@@ -390,6 +392,7 @@ const toolsRootAllowlist = new Map<string, "directory" | "file">([
   ["dev", "directory"],
   ["pack", "directory"],
   ["pr", "directory"],
+  ["serve", "directory"],
 ]);
 
 async function checkToolsLayout(): Promise<boolean> {
@@ -403,7 +406,7 @@ async function checkToolsLayout(): Promise<boolean> {
     const repositoryPath = `tools/${entry.name}${entry.isDirectory() ? "/" : ""}`;
 
     if (expected == null) {
-      violations.push(`${repositoryPath} -> tools/ top-level entries are allowlisted; expected only AGENTS.md, dev/, pack/, and pr/`);
+      violations.push(`${repositoryPath} -> tools/ top-level entries are allowlisted; expected only AGENTS.md, dev/, pack/, pr/, and serve/`);
       continue;
     }
 

scripts/postinstall.mjs

@@ -17,6 +17,7 @@ const buildTargets = [
   "tools/dev",
   "tools/pack",
   "tools/pr",
+  "tools/serve",
 ];
 
 const jsExtensions = new Set([".js", ".cjs", ".mjs"]);