Minor code improvements: fix comment and remove shadowed variable

Co-authored-by: PranavPurwar <75154889+PranavPurwar@users.noreply.github.com>

Author: Copilot

app/src/main/java/dev/pranav/applock/core/broadcast/BootReceiver.kt

@@ -25,8 +25,7 @@ class BootReceiver : BroadcastReceiver() {
             }
             Intent.ACTION_BOOT_COMPLETED -> {
                 try {
-                    val appLockRepository = context.appLockRepository()
-                    startAppropriateServices(context, appLockRepository)
+                    startAppropriateServices(context, repository)
                 } catch (e: Exception) {
                     Log.e(TAG, "Error starting services on boot", e)
                 }

app/src/main/java/dev/pranav/applock/core/utils/LogUtils.kt

@@ -119,7 +119,7 @@ object LogUtils {
 
             for (line in lines) {
                 try {
-                    // Extract timestamp from log line format: "2024-01-15T10:30:00Z D TAG: message"
+                    // Extract timestamp from log line format: "[ISO-8601 timestamp] D [TAG]: [message]"
                     val timestampStr = line.substringBefore(" ")
                     val timestamp = Instant.parse(timestampStr)