refactor(plugins): share the wheel inspector with DataLab desktop

doc/architecture.md

@@ -388,9 +388,7 @@ to be re-executable so HMR keeps `_MODEL` / `_CATALOG` alive.
   unchanged** in the browser, provided they use `await
 param.edit_async(...)` for parameter dialogs.
 
-- **`dlw_wheels.py`** — non-importing wheel inspector. It validates archive
-  structure, pure-Python tags, Python/dependency compatibility, reserved
-  namespaces, and the dedicated `datalab.web_plugins` entry-point group.
+- **`dlw_wheels.py`** — non-importing wheel inspector. It binds the rules of `datalab.plugins.wheels` (a verbatim copy of the DataLab desktop module, also used by the plugin catalog) to the dedicated `datalab.web_plugins` entry-point group: archive structure, pure-Python tags, Python/dependency compatibility and reserved namespaces.
 
 - **`dlw_plugins.py`** — the single managed plugin registry for bundled/user
   wheels and Python sources: discovery, activation, import ownership,

doc/plugins.md

@@ -143,6 +143,8 @@ A tool is opened in one of two ways:
 
 `datalab.plugins.tools`, `datalab.plugins.instruments` and `datalab.plugins.resources` are copied from DataLab Desktop into the host shim, like `datalab.plugins.recipe_binding`.
 
+The wheel rules below come from `datalab.plugins.wheels`, also copied verbatim from DataLab Desktop and used by the plugin catalog, so a wheel is judged the same way everywhere; `dlw_wheels.py` only applies them to the `datalab.web_plugins` group. A Python test compares the copy with a sibling DataLab checkout when one is available.
+
 Version 1 of the installer deliberately accepts only local `*-none-any`
 pure-Python wheels compatible with Pyodide's Python version. Native payloads,
 archive traversal, reserved host namespaces, and distribution/package/plugin