Release v1.0.9 — fix update notification popup showing raw markdown

Sync UpdateNotificationWindow.swift: showUpdate now always uses the
static subtitle "Tap to view release notes & update now!" instead of
passing the full release notes text to the popup.

ClaudeChecker/Info.plist

@@ -15,9 +15,9 @@
     <key>CFBundlePackageType</key>
     <string>APPL</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.0.8</string>
+    <string>1.0.9</string>
     <key>CFBundleVersion</key>
-    <string>27</string>
+    <string>28</string>
     <key>LSMinimumSystemVersion</key>
     <string>13.0</string>
     <key>LSUIElement</key>

ClaudeChecker/UpdateNotificationWindow.swift

@@ -14,7 +14,7 @@ class UpdateNotificationWindowController: NSWindowController {
 
     // Called when a new update is detected while running
     static func showUpdate(version: String, notes: String, near statusItem: NSStatusItem?) {
-        showWindow(version: version, subtitle: notes.isEmpty ? "Tap to update now." : notes, near: statusItem, isUpdate: true)
+        showWindow(version: version, subtitle: "Tap to view release notes & update now!", near: statusItem, isUpdate: true)
     }
 
     static func showLimitWarning(windowName: String, percent: Int, near statusItem: NSStatusItem?) {