docs: add rebuild section to install guide

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Han5991

docs/guide/install.md

@@ -60,6 +60,7 @@ Vite+ provides all the familiar package management commands:
 - `vp list` shows installed packages
 - `vp why <pkg>` explains why a package is present
 - `vp info <pkg>` shows registry metadata for a package
+- `vp rebuild` rebuilds native modules (e.g. after switching Node.js versions)
 - `vp link` and `vp unlink` manage local package links
 - `vp dlx <pkg>` runs a package binary without adding it to the project
 - `vp pm <command>` forwards a raw package-manager-specific command when you need behavior outside the normalized `vp` command set
@@ -115,6 +116,20 @@ Use these when you need to understand the current state of dependencies.
 - `vp why react` explains why `react` is installed
 - `vp info react` shows registry metadata such as versions and dist-tags
 
+#### Rebuild
+
+Use `vp rebuild` when native modules need to be recompiled, for example after switching Node.js versions or when a C/C++ addon fails to load.
+
+- `vp rebuild` rebuilds all native modules
+- `vp rebuild -- <args>` passes extra arguments to the underlying package manager
+
+```bash
+vp rebuild
+vp rebuild -- --update-binary
+```
+
+`vp rebuild` is a shorthand for `vp pm rebuild`.
+
 #### Advanced
 
 Use these when you need lower-level package-manager behavior.