Add Connect to PC controls hint (#2574)

- Add a short hint explaining how to open PC controls after connecting
- Keep the Connect to PC flow behavior unchanged
- Validate the UI change with compileDebugKotlin

🤖 Auto-generated

Author: enaboapps

app/src/main/java/com/enaboapps/switchify/screens/pc/PcConnectionScreen.kt

@@ -101,6 +101,12 @@ fun PcConnectionScreen(navController: NavController) {
         ScrollableView {
             Column(verticalArrangement = Arrangement.spacedBy(Dimens.spaceM)) {
                 PcDownloadSection(openDownloadPage)
+                Text(
+                    text = stringResource(R.string.pc_connection_control_hint),
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.padding(horizontal = Dimens.spaceM),
+                )
                 if (uiState.permissionRequired) {
                     Section(titleResId = R.string.pc_connection_permission_section) {
                         Column(modifier = Modifier.padding(vertical = Dimens.spaceS)) {

app/src/main/res/values/strings.xml

@@ -297,6 +297,7 @@
     <string name="pc_connection_setup_section">Set up your computer</string>
     <string name="pc_connection_download_pc_title">Download Switchify PC</string>
     <string name="pc_connection_download_pc_summary">Install Switchify PC on your computer before connecting over Bluetooth.</string>
+    <string name="pc_connection_control_hint">After connecting, open the Switchify menu and choose Control PC.</string>
     <string name="pc_connection_permission_section">Bluetooth permission</string>
     <string name="pc_connection_permission_message">Switchify needs Bluetooth permission to find and connect to Switchify PC.</string>
     <string name="pc_connection_permission_action">Allow Bluetooth</string>