Android tablet remote UI: styling pass, color picker, arrange mode indicator, connection gating

- Button styling standardization with green ring state indicators (Connect, Rescan, Log, Clear Layout, Reset ALL)
- Input field labels with proper DP-based padding and spacing
- Feedback & title widget color picker with 7-color palette and persistence layer
- Font weight selection for text widgets (deferred visual implementation)
- Hide/Show and Reset Size buttons in context menu
- Flashing pink border around entire app when Arrange mode is ON (500ms fade in/out cycle)
- Arrange button disabled until connected to desktop app, with alpha indicator
- WidgetLayoutState now persists color and fontWeight properties
- Arrange mode visual debugging with smooth fade animation instead of harsh strobe

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

remote-client-android/local.properties

@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Mon Jul 27 20:28:21 CDT 2026
+sdk.dir=C\:\\Users\\paul\\AppData\\Local\\Android\\Sdk