update builder

scripts/build-host.js

@@ -0,0 +1,48 @@
+#!/usr/bin/env node
+/**
+ * Build script for the native host.
+ * Generates the bridge-swarm-host launcher script.
+ */
+
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+const nativeHostDir = path.join(__dirname, '..', 'native-host');
+const launcherPath = path.join(nativeHostDir, 'bridge-swarm-host');
+
+// Find node path
+const nodeBin = process.execPath;
+
+// Try to find bare - check common locations
+let bareBin = null;
+try {
+  bareBin = execSync('which bare', { encoding: 'utf8' }).trim();
+} catch (e) {}
+
+if (!bareBin) {
+  // Try common paths on macOS
+  for (const p of ['/opt/homebrew/bin/bare', '/usr/local/bin/bare']) {
+    try {
+      fs.accessSync(p, fs.constants.X_OK);
+      bareBin = p;
+      break;
+    } catch (e) {}
+  }
+}
+
+if (!bareBin) {
+  // Fall back to node's sibling
+  bareBin = nodeBin.replace(/node$/, 'bare');
+}
+
+const launcherContent = `#!/usr/bin/env bash
+DIR="$(cd "$(dirname "$0")" && pwd)"
+exec "${bareBin}" "$DIR/index.mjs" "$@"
+`;
+
+fs.writeFileSync(launcherPath, launcherContent);
+fs.chmodSync(launcherPath, '755');
+
+console.log('Native host launcher generated at:', launcherPath);
+console.log('Using bare:', bareBin);