Show Decky plugin install progress and errors in VR (#225)

* Host Decky plugin panels in Frame Control VR

* Record Framey VR verification limits

* Lock Frame before worn checks and clean private captures

* Browse and search the full Decky store in VR

* Show Decky plugin job progress in VR

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Co-authored-by: SAPHID <saphid@users.noreply.github.com>

docs/framey-loader.md

@@ -61,6 +61,13 @@ The root label is a compatibility warning; other APIs are checked only when a
 plugin is opened. The store still needs the managed Decky user service running
 before its Install or Update buttons are enabled.
 
+Install, Update, and Remove show the current job stage in the headset panel.
+The store verifies each downloaded archive and the headset applies it with a
+rollback if Decky cannot start. The panel remembers the current job ID for this
+browser session, so **Check result** can resume polling after a navigation or
+temporary connection error. Refresh the installed list before starting another
+operation after an error.
+
 ## For plugin authors
 
 Publish a normal [Decky store](https://plugins.deckbrew.xyz/) API v2 release