Push HMR updates before the SSR rebuild in dev

Client-only edits are sent to the browser right after the hydration build,
without re-running server functions; SSR rebuilds afterwards and props are
re-fetched only when a .server.ts output changed or after fullRebuild. Page
requests wait for an in-flight SSR rebuild. The SSR build no longer runs
Tailwind, the PostCSS processor is reused across rebuilds, and the watcher
debounce drops from 200ms to 50ms.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@moduletrace/bunext",
-    "version": "1.3.4",
+    "version": "1.3.5",
     "main": "dist/index.js",
     "module": "index.ts",
     "dependencies": {