refactor(setup): upgrade to TypeScript 6 with source-first monorepo resolution

scripts/prepare-publish.js

@@ -0,0 +1,48 @@
+#!/usr/bin/env node
+/**
+ * Swap source-first dev entrypoints for dist-first publish entrypoints.
+ *
+ * This script is called by `prepublishOnly` in each publishable package.
+ * It reads the `publishConfig` object and promotes its fields to top level,
+ * storing the original dev fields in `_devConfig` so `restore-dev.js` can undo it.
+ *
+ * Usage: node ../../scripts/prepare-publish.js
+ */
+import { copyFileSync, readFileSync, writeFileSync } from 'fs'
+import { join } from 'path'
+
+const pkgPath = join(process.cwd(), 'package.json')
+const pkg = JSON.parse(readFileSync(pkgPath, 'utf-8'))
+
+const publishConfig = pkg.publishConfig
+if (!publishConfig) {
+	console.log('  No publishConfig found, skipping manifest rewrite.')
+	process.exit(0)
+}
+
+const PUBLISH_FIELDS = ['main', 'module', 'types', 'exports']
+
+const devConfig = {}
+for (const field of PUBLISH_FIELDS) {
+	if (field in publishConfig) {
+		devConfig[field] = pkg[field]
+		pkg[field] = publishConfig[field]
+	}
+}
+
+pkg._devConfig = devConfig
+delete pkg.publishConfig
+
+writeFileSync(pkgPath, JSON.stringify(pkg, null, '    ') + '\n')
+console.log(`  ✓ Manifest rewritten for publish (${Object.keys(devConfig).join(', ')})`)
+
+const root = join(process.cwd(), '../..')
+copyFileSync(join(root, 'LICENSE'), join(process.cwd(), 'LICENSE'))
+console.log('  ✓ LICENSE copied')
+
+const readmeSrc = join(root, 'README.md')
+const readmeDest = join(process.cwd(), 'README.md')
+if (pkg.name === 'page-agent') {
+	copyFileSync(readmeSrc, readmeDest)
+	console.log('  ✓ README.md copied')
+}