feat: 휴가 관리 컴팩트화 + 자동 저장 + 소숫점 표시 개선

- 레이아웃 컴팩트하게 변경 (패딩/마진 축소, 가로 배치)
- 저장 버튼 제거하고 NumberPicker 변경 시 자동 저장
- 소숫점 없을 때 정수로 표시 (22), 0.5일 때 소숫점 표시 (21.5)
- ScrollView 제거 (불필요한 스크롤 최소화)

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

app/src/main/java/com/example/shiftalarm/FragmentSettingsLab.kt

@@ -4,16 +4,18 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
+import android.widget.NumberPicker
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
 import com.example.shiftalarm.databinding.FragmentSettingsLabBinding
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.delay
 
 class FragmentSettingsLab : Fragment() {
 
     private var _binding: FragmentSettingsLabBinding? = null
     private val binding get() = _binding!!
+    private var isInitialLoad = true
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
@@ -28,7 +30,6 @@ class FragmentSettingsLab : Fragment() {
         
         setupNumberPicker()
         loadAnnualLeave()
-        setupSaveButton()
     }
 
     private fun setupNumberPicker() {
@@ -36,41 +37,64 @@ class FragmentSettingsLab : Fragment() {
             minValue = 1
             maxValue = 25
             wrapSelectorWheel = false
+            
+            // 값 변경 시 자동 저장
+            setOnValueChangedListener { _, _, newVal ->
+                if (!isInitialLoad) {
+                    saveAnnualLeave(newVal)
+                }
+            }
         }
     }
 
     private fun loadAnnualLeave() {
         lifecycleScope.launch {
+            isInitialLoad = true
             val repo = ShiftRepository(requireContext())
             
             val annualLeave = repo.getAnnualLeave()
             annualLeave?.let {
                 binding.npTotalDays.value = it.totalDays.toInt()
-                binding.tvRemainingDays.text = String.format("%.1f", it.remainingDays)
+                binding.tvRemainingDays.text = formatRemainingDays(it.remainingDays)
             } ?: run {
                 // Default: 15 days
                 binding.npTotalDays.value = 15
-                binding.tvRemainingDays.text = "15.0"
+                binding.tvRemainingDays.text = "15"
             }
+            
+            // 초기 로드 완료 후 플래그 변경
+            delay(100)
+            isInitialLoad = false
         }
     }
 
- private fun setupSaveButton() {
+    private fun saveAnnualLeave(totalDays: Int) {
- binding.btnSaveAnnualLeave.setOnClickListener {
- val totalDays = binding.npTotalDays.value.toFloat()
-
         lifecycleScope.launch {
             val repo = ShiftRepository(requireContext())
             
- repo.recalculateAndSaveAnnualLeave(totalDays)
+            repo.recalculateAndSaveAnnualLeave(totalDays.toFloat())
             
             val updated = repo.getAnnualLeave()
             updated?.let {
- binding.tvRemainingDays.text = String.format("%.1f", it.remainingDays)
+                binding.tvRemainingDays.text = formatRemainingDays(it.remainingDays)
- showCustomToast(requireContext(), "연차가 저장되었습니다. (남은 연차: ${String.format("%.1f", it.remainingDays)}일)")
+                showCustomToast(requireContext(), "총 연차 ${totalDays}일로 설정되었습니다 (남은 연차: ${formatRemainingDays(it.remainingDays)}일)")
             }
         }
     }
+
+    /**
+     * 남은 연차 표시 형식 개선
+     * - 정수면 정수로 표시 (예: 22)
+     * - 소숫점 있으면 소숫점 표시 (예: 21.5)
+     */
+    private fun formatRemainingDays(days: Float): String {
+        return if (days == days.toInt().toFloat()) {
+            // 정수인 경우
+            days.toInt().toString()
+        } else {
+            // 소숫점이 있는 경우 (0.5 등)
+            String.format("%.1f", days)
+        }
     }
 
     override fun onDestroyView() {

app/src/main/res/layout/fragment_settings_lab.xml

@@ -1,15 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:fillViewport="true">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
     android:orientation="vertical"
-        android:padding="24dp"
+    android:padding="16dp"
     android:gravity="center_horizontal">
 
     <!-- Header Title -->
@@ -17,119 +12,115 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="나의 연차 설정"
-            android:textSize="20sp"
+        android:textSize="18sp"
         android:textStyle="bold"
         android:textColor="@color/text_primary"
-            android:layout_marginBottom="32dp"/>
+        android:layout_marginBottom="16dp"/>
 
     <!-- Total Annual Leave Setting -->
     <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-            android:layout_marginBottom="24dp"
+        android:layout_marginBottom="12dp"
-            app:cardCornerRadius="16dp"
+        app:cardCornerRadius="12dp"
-            app:cardElevation="4dp"
+        app:cardElevation="2dp"
         app:cardBackgroundColor="@color/surface">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-                android:orientation="vertical"
+            android:orientation="horizontal"
-                android:padding="24dp"
+            android:padding="12dp"
-                android:gravity="center">
+            android:gravity="center_vertical">
 
             <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="총 연차"
+                android:textSize="14sp"
+                android:textColor="@color/text_secondary"/>
+
+            <LinearLayout
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                    android:text="총 연차"
+                android:orientation="horizontal"
-                    android:textSize="16sp"
+                android:gravity="center_vertical">
-                    android:textColor="@color/text_secondary"
-                    android:layout_marginBottom="16dp"/>
 
-                <!-- NumberPicker for Total Days -->
                 <NumberPicker
                     android:id="@+id/npTotalDays"
-                    android:layout_width="wrap_content"
+                    android:layout_width="60dp"
-                    android:layout_height="wrap_content"
+                    android:layout_height="100dp"/>
-                    android:layout_marginBottom="8dp"/>
 
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="일"
                     android:textSize="14sp"
-                    android:textColor="@color/text_tertiary"/>
+                    android:textColor="@color/text_tertiary"
-
+                    android:layout_marginStart="4dp"/>
+            </LinearLayout>
         </LinearLayout>
-
     </androidx.cardview.widget.CardView>
 
     <!-- Remaining Annual Leave Display -->
     <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-            android:layout_marginBottom="32dp"
+        android:layout_marginBottom="12dp"
-            app:cardCornerRadius="16dp"
+        app:cardCornerRadius="12dp"
-            app:cardElevation="4dp"
+        app:cardElevation="2dp"
         app:cardBackgroundColor="@color/surface">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-                android:orientation="vertical"
+            android:orientation="horizontal"
-                android:padding="24dp"
+            android:padding="12dp"
-                android:gravity="center">
+            android:gravity="center_vertical">
 
             <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="남은 연차"
+                android:textSize="14sp"
+                android:textColor="@color/text_secondary"/>
+
+            <LinearLayout
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                    android:text="남은 연차"
+                android:orientation="horizontal"
-                    android:textSize="16sp"
+                android:gravity="bottom">
-                    android:textColor="@color/text_secondary"
-                    android:layout_marginBottom="8dp"/>
 
                 <TextView
                     android:id="@+id/tvRemainingDays"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:text="0.0"
+                    android:text="15"
-                    android:textSize="36sp"
+                    android:textSize="28sp"
                     android:textStyle="bold"
-                    android:textColor="@color/primary"
+                    android:textColor="@color/primary"/>
-                    android:layout_marginBottom="4dp"/>
 
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="일"
                     android:textSize="14sp"
-                    android:textColor="@color/text_tertiary"/>
+                    android:textColor="@color/text_tertiary"
-
+                    android:layout_marginStart="4dp"/>
+            </LinearLayout>
         </LinearLayout>
-
     </androidx.cardview.widget.CardView>
 
     <!-- Calculation Info -->
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-            android:text="※ 연차: -1일 차감  /  반년: -0.5일 차감"
+        android:text="※ 연차: -1일 / 반년: -0.5일 차감"
-            android:textSize="13sp"
+        android:textSize="12sp"
         android:textColor="@color/text_tertiary"
-            android:layout_marginBottom="24dp"
+        android:layout_marginBottom="8dp"
         android:gravity="center"/>
 
-        <!-- Save Button -->
+</LinearLayout>
-        <com.google.android.material.button.MaterialButton
-            android:id="@+id/btnSaveAnnualLeave"
-            android:layout_width="match_parent"
-            android:layout_height="56dp"
-            android:text="저장"
-            android:textSize="16sp"
-            android:textStyle="bold"
-            app:cornerRadius="12dp"
-            android:backgroundTint="@color/primary"/>
-
-    </LinearLayout>
-
-</ScrollView>