fix: dev stages local plugin builds on paths with spaces and builds them with the local SDK

scripts/build-plugins.cjs

@@ -8,11 +8,12 @@
  *
  * For development, `--local <dir>` (or TERMIX_LOCAL_PLUGINS) points at a
  * folder of plugin repos like ../Termix-Plugins. A plugin there whose sources
- * changed since its last build is rebuilt first, then any built one (has
+ * changed since its last build is rebuilt first with this checkout's SDK, so
+ * SDK edits apply without publishing, then any built one (has
  * dist/) is copied in place of its pin, or added when it has no pin.
  */
 
-const { execSync } = require("node:child_process");
+const { execFileSync } = require("node:child_process");
 const fs = require("node:fs");
 const path = require("node:path");
 const {
@@ -21,6 +22,7 @@ const {
   extractArtifact,
   findLocalPluginBuilds,
   rebuildLocalPlugins,
+  localSdkBuildCommand,
   copyLocalBuild,
   buildBundledIndex,
 } = require("./lib/bundled-plugins.cjs");
@@ -34,9 +36,10 @@ async function main() {
   const localArg =
     flag !== -1 ? process.argv[flag + 1] : process.env.TERMIX_LOCAL_PLUGINS;
   const localDir = localArg ? path.resolve(root, localArg) : null;
+  const [node, buildArgs] = localSdkBuildCommand();
   rebuildLocalPlugins(localDir, null, (repo, id) => {
     console.log(`building ${id}`);
-    execSync("npm run build", { cwd: repo, stdio: "inherit" });
+    execFileSync(node, buildArgs, { cwd: repo, stdio: "inherit" });
   });
   const local = findLocalPluginBuilds(localDir);