iOS 1.0 RC 1: battery and heat work, version label, web player redraw tweaks

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

ios/scripts/build-ipa.sh

@@ -9,7 +9,8 @@ cd "$(dirname "$0")/.."
 export PATH=/opt/homebrew/bin:$PATH
 B=build; OUT=$B/work; APP=$OUT/Payload/Stemify.app; EXT=$APP/PlugIns/StemifyWidgets.appex
 rm -rf $OUT && mkdir -p $OUT/Payload $B/public $B/prov
-VERSION=$(sed -nE 's/^ *MARKETING_VERSION: "(.*)"/\1/p' project.yml)
+# "1.0 RC 1" -> 1.0-rc1, used in file names and release tags.
+VERSION=$(sed -nE 's/^ *VERSION_LABEL: "(.*)"/\1/p' project.yml | tr 'A-Z' 'a-z' | sed -E 's/ rc /-rc/; s/ /-/g')
 
 # xcodebuild compiles the app, the widget extension, the asset catalog and the App Intents metadata.
 xcodegen generate -q