refactor: Polish shared commons components and fix formatting

- Improve RelayConnectionManager with better connection handling
- Refine UI components (LoginCard, ProfileInfoCard, RelayStatusCard)
- Update KeyInputField with improved layout
- Fix formatting in FeedHeader and AppScreen
- Add proper number formatting utilities
- Remove .claude config from version control

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/navigation/AppScreen.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -39,17 +39,19 @@ enum class AppScreen(
 /**
  * Primary navigation destinations (shown in bottom bar on mobile, sidebar on desktop).
  */
-val primaryScreens = listOf(
-    AppScreen.Feed,
-    AppScreen.Search,
-    AppScreen.Messages,
-    AppScreen.Notifications,
-    AppScreen.Profile,
-)
+val primaryScreens =
+    listOf(
+        AppScreen.Feed,
+        AppScreen.Search,
+        AppScreen.Messages,
+        AppScreen.Notifications,
+        AppScreen.Profile,
+    )
 
 /**
  * Secondary navigation destinations (settings, etc.)
  */
-val secondaryScreens = listOf(
-    AppScreen.Settings,
-)
+val secondaryScreens =
+    listOf(
+        AppScreen.Settings,
+    )

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/ActionButtons.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/RobohashImage.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/feed/FeedHeader.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -35,7 +35,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.commons.ui.theme.RelayStatusColors
 
@@ -57,12 +56,12 @@ fun FeedHeader(
     Row(
         modifier = modifier.fillMaxWidth(),
         horizontalArrangement = Arrangement.SpaceBetween,
-        verticalAlignment = Alignment.CenterVertically
+        verticalAlignment = Alignment.CenterVertically,
     ) {
         Text(
             title,
             style = MaterialTheme.typography.headlineMedium,
-            color = MaterialTheme.colorScheme.onBackground
+            color = MaterialTheme.colorScheme.onBackground,
         )
 
         RelayStatusIndicator(
@@ -84,32 +83,33 @@ fun RelayStatusIndicator(
     Row(
         modifier = modifier,
         verticalAlignment = Alignment.CenterVertically,
-        horizontalArrangement = Arrangement.spacedBy(8.dp)
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
     ) {
-        val statusColor = when {
-            connectedCount == 0 -> RelayStatusColors.Disconnected
-            connectedCount < 3 -> RelayStatusColors.Connecting
-            else -> RelayStatusColors.Connected
-        }
+        val statusColor =
+            when {
+                connectedCount == 0 -> RelayStatusColors.Disconnected
+                connectedCount < 3 -> RelayStatusColors.Connecting
+                else -> RelayStatusColors.Connected
+            }
 
         Icon(
             imageVector = if (connectedCount > 0) Icons.Default.Check else Icons.Default.Close,
             contentDescription = null,
             tint = statusColor,
-            modifier = Modifier.size(16.dp)
+            modifier = Modifier.size(16.dp),
         )
 
         Text(
             "$connectedCount relay${if (connectedCount != 1) "s" else ""}",
             color = MaterialTheme.colorScheme.onSurfaceVariant,
-            style = MaterialTheme.typography.bodySmall
+            style = MaterialTheme.typography.bodySmall,
         )
 
         IconButton(onClick = onRefresh) {
             Icon(
                 Icons.Default.Refresh,
                 contentDescription = "Reconnect",
-                tint = MaterialTheme.colorScheme.primary
+                tint = MaterialTheme.colorScheme.primary,
             )
         }
     }

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/screens/PlaceholderScreens.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -42,12 +42,12 @@ fun PlaceholderScreen(
         Text(
             title,
             style = MaterialTheme.typography.headlineMedium,
-            color = MaterialTheme.colorScheme.onBackground
+            color = MaterialTheme.colorScheme.onBackground,
         )
         Spacer(Modifier.height(16.dp))
         Text(
             description,
-            color = MaterialTheme.colorScheme.onSurfaceVariant
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
         )
     }
 }

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/theme/Colors.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/util/NumberFormatters.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -26,7 +26,10 @@ import kotlin.math.roundToInt
  * Formats a count to human-readable format with suffix (K, M, G).
  * Example: 1500 -> "1K items", 2500000 -> "2M items"
  */
-fun countToHumanReadable(counter: Int, suffix: String): String =
+fun countToHumanReadable(
+    counter: Int,
+    suffix: String,
+): String =
     when {
         counter >= 1_000_000_000 -> "${(counter / 1_000_000_000f).roundToInt()}G $suffix"
         counter >= 1_000_000 -> "${(counter / 1_000_000f).roundToInt()}M $suffix"
@@ -37,7 +40,10 @@ fun countToHumanReadable(counter: Int, suffix: String): String =
 /**
  * Formats a count to human-readable format with suffix (K, M, G).
  */
-fun countToHumanReadable(counter: Long, suffix: String): String =
+fun countToHumanReadable(
+    counter: Long,
+    suffix: String,
+): String =
     when {
         counter >= 1_000_000_000 -> "${(counter / 1_000_000_000f).roundToInt()}G $suffix"
         counter >= 1_000_000 -> "${(counter / 1_000_000f).roundToInt()}M $suffix"

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/util/PubKeyFormatter.kt

@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2024 Vitor Pamplona
+ * Copyright (c) 2025 Vitor Pamplona
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in