insta360-studio: update livecheck

Casks/i/insta360-studio.rb

@@ -9,16 +9,24 @@ cask "insta360-studio" do
 
   livecheck do
     url "https://openapi.insta360.com/app/appDownload/getGroupApp?group=insta360-go2&X-Language=en-us"
-    regex(%r{/([[:xdigit:]]+)/Insta360Studio(\d+)(?:[._-]|%20)(?:\d+(?:\.\d+)+)[._-](\d+(?:[._-]\d+)*)\.pkg}i)
-    strategy :page_match do |page, regex|
-      newest_release = JSON.parse(page)["data"]["apps"]
-                           .find { |app| app["id"] == 38 }["items"]
-                           .select { |item| item["platform"] == "mac" }
-                           .max_by { |item| Version.new(item["version"]) }
+    regex(%r{/(\h+)/Insta360Studio(\d+)(?:[._-]|%20)(?:\d+(?:\.\d+)+)[._-](\d+(?:[._-]\d+)*)\.pkg}i)
+    strategy :json do |json, regex|
+      # Find the Insta360 Studio app
+      app = json.dig("data", "apps")&.find { |item| item["id"] == 38 }
+      next if app.blank?
+
+      # Find the newest macOS version
+      newest_release = app["items"]&.select { |item| item["platform"] == "mac" }
+                                   &.max_by { |item| Version.new(item["version"]) }
       next if newest_release.blank?
 
+      # Find the channel item (there's likely only one object in the array)
+      channel = newest_release["channels"]&.find { |item| item["channel"] == "official" }
+      next if channel.blank?
+
+      # Collect the version parts
       version = newest_release["version"]
-      match = newest_release["channels"][0]["download_url"].match(regex)
+      match = channel["download_url"]&.match(regex)
       next if version.blank? || match.blank?
 
       "#{version},#{match[2]},#{match[1]},#{match[3]}"