Dashboard Studio 2.2.0: guest invites, personal looks, more themes, Haven widgets and tiles

- Vacuum card: the robot drawn beside its dock by state, last clean, maintenance
- Formula One card: the official F1 look with a user-supplied logo
- Nine more themes; per-person theme, text size and language on Admin, People
- Guest invites: an expiring link and QR code for one dashboard, served on a
  LAN-only guest port, with the Home Assistant connection filtered both ways
- Haven 2.2: home screen widgets, three quick settings tiles, several homes,
  and self-updates from the Haven that Dashboard Studio serves

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

haven/build.sh

@@ -32,6 +32,10 @@ fi
 "$BT/apksigner" sign --ks "$KEY" --ks-pass pass:dashboard-studio --ks-key-alias app --out "$OUT/haven.apk" "$OUT/app.aligned.apk"
 if [ -z "$DEBUG" ]; then
   cp "$OUT/haven.apk" ../dashboard_studio/web/haven.apk
+  # Haven asks Dashboard Studio for this, to offer itself an update
+  CODE=$(sed -n 's/.*android:versionCode="\([0-9]*\)".*/\1/p' AndroidManifest.xml)
+  NAME=$(sed -n 's/.*android:versionName="\([^"]*\)".*/\1/p' AndroidManifest.xml)
+  printf '{"version": "%s", "code": %s}\n' "$NAME" "$CODE" > ../dashboard_studio/web/haven.json
   echo "Built and copied to dashboard_studio/web/haven.apk"
 else
   echo "Built $OUT/haven.apk (debug)"