From 8ca197f7ee0bf3ba7ce55d0b0793a05bb2110413 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 09:33:31 +0900
Subject: [PATCH 01/17] =?UTF-8?q?feat:=20CoreDataManager=20=EC=8B=B1?=
 =?UTF-8?q?=EA=B8=80=ED=86=A4=20=EC=A0=9C=EA=B1=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Data/Persistence/CoreDataManager.swift | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/PickaView/Data/Persistence/CoreDataManager.swift b/PickaView/Data/Persistence/CoreDataManager.swift
index 5e4a69c..49ac05b 100644
--- a/PickaView/Data/Persistence/CoreDataManager.swift
+++ b/PickaView/Data/Persistence/CoreDataManager.swift
@@ -9,13 +9,11 @@ import Foundation
 import CoreData
 
 final class CoreDataManager {
-    static let shared = CoreDataManager()
-
     let persistentContainer: NSPersistentContainer
     let mainContext: NSManagedObjectContext
     let fetchedResults: NSFetchedResultsController<Video>
 
-    private init() {
+    init() {
         // Core Data 스택 초기화
         let container = NSPersistentContainer(name: "Model")
         container.loadPersistentStores { storeDescription, error in
@@ -118,6 +116,6 @@ final class CoreDataManager {
             tag.lastUpdated = Date()
         }
 
-        CoreDataManager.shared.saveContext()
+        self.saveContext()
     }
 }

From a0eb032caebaaf31df53f98e181c2abc0c57d5ec Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 09:44:13 +0900
Subject: [PATCH 02/17] =?UTF-8?q?feat:=20=EA=B0=81=20ViewModel=EB=A7=88?=
 =?UTF-8?q?=EB=8B=A4=20=EC=9D=98=EC=A1=B4=EC=84=B1=20=EC=A3=BC=EC=9E=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/MainViewController.swift | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/PickaView/MainViewController.swift b/PickaView/MainViewController.swift
index 460a317..699f1e1 100644
--- a/PickaView/MainViewController.swift
+++ b/PickaView/MainViewController.swift
@@ -8,11 +8,36 @@
 import UIKit
 
 class MainViewController: UITabBarController {
+    
+    let coreDataManager = CoreDataManager()
 
     override func viewDidLoad() {
         super.viewDidLoad()
 
         ThemeManager.shared.applyTheme()
         print("initial")
+        
+        if let viewControllers = viewControllers {
+            for vc in viewControllers {
+                if let nav = vc as? UINavigationController, let topVC = nav.topViewController {
+                    injectViewModel(to: topVC)
+                } else {
+                    injectViewModel(to: vc)
+                }
+            }
+        }
+    }
+    
+    private func injectViewModel(to viewController: UIViewController) {
+//        switch viewController {
+//        case let vc as HomeViewController:
+//            vc.viewModel = HomeViewModel(coreDataManager: coreDataManager)
+//        case let vc as LikeViewController:
+//            vc.viewModel = LikeViewModel(coreDataManager: coreDataManager)
+//        case let vc as MyPageViewController:
+//            vc.viewModel = MyPageViewController(coreDataManager: coreDataManager)
+//        case let vc as PlayerViewController:
+//            vc.viewModel = PlayerViewController(coreDataManager: coreDataManager)
+//        }
     }
 }

From 9acb369c4050a89e7f9dbd84694074d3bc16a8fa Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 11:32:05 +0900
Subject: [PATCH 03/17] chore: MainViewController -> TabBarViewController

---
 PickaView/Base.lproj/Main.storyboard          |  5 +-
 PickaView/Data/UserDefault/ThemeManager.swift |  2 +-
 PickaView/MainViewController.swift            | 43 ----------------
 PickaView/TabBarViewController.swift          | 51 +++++++++++++++++++
 PickaView/Views/Root/TabBarViewModel.swift    | 36 +++++++++++++
 5 files changed, 90 insertions(+), 47 deletions(-)
 delete mode 100644 PickaView/MainViewController.swift
 create mode 100644 PickaView/TabBarViewController.swift
 create mode 100644 PickaView/Views/Root/TabBarViewModel.swift

diff --git a/PickaView/Base.lproj/Main.storyboard b/PickaView/Base.lproj/Main.storyboard
index a5c825d..626ee3a 100644
--- a/PickaView/Base.lproj/Main.storyboard
+++ b/PickaView/Base.lproj/Main.storyboard
@@ -2,7 +2,6 @@
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
     <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
-        <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23721"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="System colors in document resources" minToolsVersion="11.0"/>
@@ -81,10 +80,10 @@
             </objects>
             <point key="canvasLocation" x="1978" y="120"/>
         </scene>
-        <!--Main View Controller-->
+        <!--Tab Bar View Controller-->
         <scene sceneID="kSv-3O-sWd">
             <objects>
-                <tabBarController automaticallyAdjustsScrollViewInsets="NO" id="T1G-iv-UrV" customClass="MainViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
+                <tabBarController automaticallyAdjustsScrollViewInsets="NO" id="T1G-iv-UrV" customClass="TabBarViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
                     <toolbarItems/>
                     <tabBar key="tabBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="nKz-Te-FSR">
                         <rect key="frame" x="0.0" y="0.0" width="1000" height="1000"/>
diff --git a/PickaView/Data/UserDefault/ThemeManager.swift b/PickaView/Data/UserDefault/ThemeManager.swift
index cb31ad8..42fa9d5 100644
--- a/PickaView/Data/UserDefault/ThemeManager.swift
+++ b/PickaView/Data/UserDefault/ThemeManager.swift
@@ -34,7 +34,7 @@ final class ThemeManager {
     /**
      저장된 테마 설정을 앱의 모든 윈도우에 즉시 적용함.
      
-     앱이 시작될 때 `MainViewController`에서 호출됨.
+     앱이 시작될 때 `TabBarViewController`에서 호출됨.
      */
     func applyTheme() {
         let themeIndex = UserDefaults.standard.integer(forKey: themeKey)
diff --git a/PickaView/MainViewController.swift b/PickaView/MainViewController.swift
deleted file mode 100644
index 699f1e1..0000000
--- a/PickaView/MainViewController.swift
+++ /dev/null
@@ -1,43 +0,0 @@
-//
-//  MainViewController.swift
-//  PickaView
-//
-//  Created by Ko Minhyuk on 6/10/25.
-//
-
-import UIKit
-
-class MainViewController: UITabBarController {
-    
-    let coreDataManager = CoreDataManager()
-
-    override func viewDidLoad() {
-        super.viewDidLoad()
-
-        ThemeManager.shared.applyTheme()
-        print("initial")
-        
-        if let viewControllers = viewControllers {
-            for vc in viewControllers {
-                if let nav = vc as? UINavigationController, let topVC = nav.topViewController {
-                    injectViewModel(to: topVC)
-                } else {
-                    injectViewModel(to: vc)
-                }
-            }
-        }
-    }
-    
-    private func injectViewModel(to viewController: UIViewController) {
-//        switch viewController {
-//        case let vc as HomeViewController:
-//            vc.viewModel = HomeViewModel(coreDataManager: coreDataManager)
-//        case let vc as LikeViewController:
-//            vc.viewModel = LikeViewModel(coreDataManager: coreDataManager)
-//        case let vc as MyPageViewController:
-//            vc.viewModel = MyPageViewController(coreDataManager: coreDataManager)
-//        case let vc as PlayerViewController:
-//            vc.viewModel = PlayerViewController(coreDataManager: coreDataManager)
-//        }
-    }
-}
diff --git a/PickaView/TabBarViewController.swift b/PickaView/TabBarViewController.swift
new file mode 100644
index 0000000..c903d5b
--- /dev/null
+++ b/PickaView/TabBarViewController.swift
@@ -0,0 +1,51 @@
+//
+//  TabBarViewController.swift
+//  PickaView
+//
+//  Created by Ko Minhyuk on 6/10/25.
+//
+
+import UIKit
+
+class TabBarViewController: UITabBarController {
+    
+    private let coreDataManager: CoreDataManager
+    
+    init(coreDataManager: CoreDataManager) {
+        self.coreDataManager = coreDataManager
+        super.init(nibName: nil, bundle: nil)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        ThemeManager.shared.applyTheme()
+        print("initial")
+        
+        setupTabBar()
+    }
+    
+    private func setupTabBar() {
+//        let homeVM = HomeViewModel(coreDataManager: coreDataManager)
+//        let homeVC = HomeViewController(viewModel: homeVM)
+//        homeVC.tabBarItem = UITabBarItem(title: "Home", image: "house.fill", tag: 0)
+//        
+//        let likeVM = LikeViewModel(coreDataManager: coreDataManager)
+//        let likeVC = LikeViewController(viewModel: likeVM)
+//        likeVC.tabBarItem = UITabBarItem(title: "Like", image: "heart.fill", tag: 1)
+//        
+//        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
+//        let myPageVC = MyPageViewController(viewModel: myPageVM)
+//        myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: "ellipsis", tag: 2)
+//
+//        viewControllers = [
+//            UINavigationController(rootViewController: homeVC),
+//            UINavigationController(rootViewController: likeVC),
+//            UINavigationController(rootViewController: myPageVC)
+//        ]
+    }
+}
diff --git a/PickaView/Views/Root/TabBarViewModel.swift b/PickaView/Views/Root/TabBarViewModel.swift
new file mode 100644
index 0000000..a919dcf
--- /dev/null
+++ b/PickaView/Views/Root/TabBarViewModel.swift
@@ -0,0 +1,36 @@
+//
+//  TabBarViewModel.swift
+//  PickaView
+//
+//  Created by 장지현 on 6/12/25.
+//
+
+import UIKit
+
+final class TabBarViewModel {
+    private let coreDataManager: CoreDataManager
+
+    init(coreDataManager: CoreDataManager) {
+        self.coreDataManager = coreDataManager
+    }
+
+    func makeTabViewControllers() -> [UIViewController] {
+//        let homeVM = HomeViewModel(coreDataManager: coreDataManager)
+//        let homeVC = HomeViewController(viewModel: homeVM)
+//        homeVC.tabBarItem = UITabBarItem(title: "Home", image: UIImage(systemName: "house.fill"), tag: 0)
+//
+//        let likeVM = LikeViewModel(coreDataManager: coreDataManager)
+//        let likeVC = LikeViewController(viewModel: likeVM)
+//        likeVC.tabBarItem = UITabBarItem(title: "Like", image: UIImage(systemName: "heart.fill"), tag: 1)
+//
+//        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
+//        let myPageVC = MyPageViewController(viewModel: myPageVM)
+//        myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: UIImage(systemName: "ellipsis"), tag: 2)
+
+        return [
+//            UINavigationController(rootViewController: homeVC),
+//            UINavigationController(rootViewController: likeVC),
+//            UINavigationController(rootViewController: myPageVC)
+        ]
+    }
+}

From 026790a3c14b1ccdd2bce5d8655c44e027e5efeb Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 12:02:32 +0900
Subject: [PATCH 04/17] =?UTF-8?q?feat:=20DIContainer=20=EC=83=9D=EC=84=B1?=
 =?UTF-8?q?=20=EB=B0=8F=20CoreDataManager,=20VideoService=20=EC=9D=98?=
 =?UTF-8?q?=EC=A1=B4=EC=84=B1=20=EC=A3=BC=EC=9E=85=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- DIContainer를 통해 CoreDataManager와 PixabayVideoService 인스턴스를 주입
- LaunchScreenViewController와 TabBarViewController에 ViewModel 생성 및 주입 처리
---
 PickaView/App/DIContainer.swift | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 PickaView/App/DIContainer.swift

diff --git a/PickaView/App/DIContainer.swift b/PickaView/App/DIContainer.swift
new file mode 100644
index 0000000..54a8d98
--- /dev/null
+++ b/PickaView/App/DIContainer.swift
@@ -0,0 +1,32 @@
+//
+//  DIContainer.swift
+//  PickaView
+//
+//  Created by 장지현 on 6/12/25.
+//
+
+import UIKit
+
+final class DIContainer {
+    let coreDataManager: CoreDataManager
+    let pixabayVideoService: PixabayVideoService
+
+    init() {
+        self.coreDataManager = CoreDataManager()
+        self.pixabayVideoService = PixabayVideoService()
+    }
+
+    func makeLaunchScreenViewController() -> LaunchScreenViewController {
+        let viewModel = LaunchScreenViewModel(
+            coreDataManager: coreDataManager,
+            pixabayVideoService: pixabayVideoService,
+            container: self
+        )
+        return LaunchScreenViewController(viewModel: viewModel)
+    }
+
+    func makeMainTabBarController() -> TabBarViewController {
+        let viewModel = TabBarViewModel(coreDataManager: coreDataManager)
+        return TabBarViewController(viewModel: viewModel)
+    }
+}

From 406dbfc025ce26e6a00e4f3583ee9dfd4a43452b Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 12:05:48 +0900
Subject: [PATCH 05/17] =?UTF-8?q?refactor:=20=EB=9F=B0=EC=B9=98=20?=
 =?UTF-8?q?=ED=99=94=EB=A9=B4=20=EC=BD=94=EB=93=9C=20=EA=B8=B0=EB=B0=98=20?=
 =?UTF-8?q?=EC=A0=84=ED=99=98=20=EB=B0=8F=20=EC=8A=A4=ED=86=A0=EB=A6=AC?=
 =?UTF-8?q?=EB=B3=B4=EB=93=9C=20=EC=A0=95=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Info.plist에서 Main 스토리보드 제거
- SceneDelegate에서 DIContainer를 통해 LaunchScreenViewController 코드로 초기화
- LaunchScreenViewController UI를 코드로 재구성
- Main.storyboard에서 Launch 관련 뷰 제거
- LaunchScreen.storyboard에서 UI 요소 위치 및 크기 조정
---
 PickaView/Base.lproj/LaunchScreen.storyboard  | 14 ++---
 PickaView/Base.lproj/Main.storyboard          | 53 +------------------
 PickaView/Info.plist                          |  2 -
 PickaView/SceneDelegate.swift                 | 13 +++--
 .../LaunchScreenViewController.swift          | 52 ++++++++++++++++++
 5 files changed, 70 insertions(+), 64 deletions(-)

diff --git a/PickaView/Base.lproj/LaunchScreen.storyboard b/PickaView/Base.lproj/LaunchScreen.storyboard
index 13525f9..2c44990 100644
--- a/PickaView/Base.lproj/LaunchScreen.storyboard
+++ b/PickaView/Base.lproj/LaunchScreen.storyboard
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
-    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <device id="retina4_0" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23721"/>
@@ -14,20 +14,20 @@
             <objects>
                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+                        <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" distribution="equalCentering" alignment="center" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="YLO-KL-CHG">
-                                <rect key="frame" x="30" y="312.33333333333331" width="333" height="227.33333333333331"/>
+                                <rect key="frame" x="-32" y="189.5" width="384" height="189"/>
                                 <subviews>
                                     <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Logo" translatesAutoresizingMaskIntoConstraints="NO" id="KYe-4k-NpH">
-                                        <rect key="frame" x="0.0" y="0.0" width="333" height="166.66666666666666"/>
+                                        <rect key="frame" x="64" y="0.0" width="256" height="128"/>
                                         <constraints>
                                             <constraint firstAttribute="width" secondItem="KYe-4k-NpH" secondAttribute="height" multiplier="2:1" id="uzG-k3-EAn"/>
                                         </constraints>
                                     </imageView>
                                     <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="PICK A VIEW" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="dZB-Gs-VmG">
-                                        <rect key="frame" x="71.333333333333329" y="186.66666666666669" width="190.33333333333337" height="40.666666666666657"/>
+                                        <rect key="frame" x="97" y="148" width="190.5" height="41"/>
                                         <fontDescription key="fontDescription" style="UICTFontTextStyleTitle0"/>
                                         <nil key="textColor"/>
                                         <nil key="highlightedColor"/>
@@ -38,9 +38,11 @@
                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
                         <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                         <constraints>
-                            <constraint firstItem="YLO-KL-CHG" firstAttribute="width" secondItem="6Tk-OE-BBY" secondAttribute="height" multiplier="1:2" id="n3y-NX-5Pe"/>
+                            <constraint firstItem="YLO-KL-CHG" firstAttribute="trailing" relation="greaterThanOrEqual" secondItem="6Tk-OE-BBY" secondAttribute="trailing" constant="32" id="3PB-sa-dzB"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="YLO-KL-CHG" secondAttribute="leading" constant="32" id="4eI-F3-IbC"/>
                             <constraint firstItem="YLO-KL-CHG" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="o6m-4Y-21T"/>
                             <constraint firstItem="YLO-KL-CHG" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="wgg-rx-ILH"/>
+                            <constraint firstItem="KYe-4k-NpH" firstAttribute="width" secondItem="Ze5-6b-2t3" secondAttribute="width" multiplier="0.8" id="x8n-KJ-pW0"/>
                         </constraints>
                     </view>
                 </viewController>
diff --git a/PickaView/Base.lproj/Main.storyboard b/PickaView/Base.lproj/Main.storyboard
index 626ee3a..188330c 100644
--- a/PickaView/Base.lproj/Main.storyboard
+++ b/PickaView/Base.lproj/Main.storyboard
@@ -1,55 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
     <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
+        <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23721"/>
-        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
-        <!--Launch Screen View Controller-->
-        <scene sceneID="tne-QT-ifu">
-            <objects>
-                <viewController id="BYZ-38-t0r" customClass="LaunchScreenViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
-                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
-                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" distribution="equalCentering" alignment="center" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="TK8-wB-Znq">
-                                <rect key="frame" x="30" y="312.33333333333331" width="333" height="227.33333333333331"/>
-                                <subviews>
-                                    <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Logo" translatesAutoresizingMaskIntoConstraints="NO" id="vLo-hf-3mv">
-                                        <rect key="frame" x="0.0" y="0.0" width="333" height="166.66666666666666"/>
-                                        <constraints>
-                                            <constraint firstAttribute="width" secondItem="vLo-hf-3mv" secondAttribute="height" multiplier="2:1" id="GjC-Rs-eU4"/>
-                                        </constraints>
-                                    </imageView>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="PICK A VIEW" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="WHn-bP-UpJ">
-                                        <rect key="frame" x="71.333333333333329" y="186.66666666666669" width="190.33333333333337" height="40.666666666666657"/>
-                                        <fontDescription key="fontDescription" style="UICTFontTextStyleTitle0"/>
-                                        <nil key="textColor"/>
-                                        <nil key="highlightedColor"/>
-                                    </label>
-                                </subviews>
-                            </stackView>
-                        </subviews>
-                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
-                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
-                        <constraints>
-                            <constraint firstItem="TK8-wB-Znq" firstAttribute="width" secondItem="6Tk-OE-BBY" secondAttribute="height" multiplier="1:2" id="4Fv-MW-Kmi"/>
-                            <constraint firstItem="TK8-wB-Znq" firstAttribute="centerY" secondItem="8bC-Xf-vdC" secondAttribute="centerY" id="76f-oH-nca"/>
-                            <constraint firstItem="TK8-wB-Znq" firstAttribute="centerX" secondItem="8bC-Xf-vdC" secondAttribute="centerX" id="f85-Lb-OQ9"/>
-                        </constraints>
-                    </view>
-                    <connections>
-                        <segue destination="T1G-iv-UrV" kind="presentation" identifier="ReplaceSegue" modalPresentationStyle="fullScreen" id="XFa-Lu-XMY"/>
-                    </connections>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="152" y="-51"/>
-        </scene>
         <!--Home-->
         <scene sceneID="UEe-yM-Otl">
             <objects>
@@ -101,10 +58,4 @@
             <point key="canvasLocation" x="1164" y="-51"/>
         </scene>
     </scenes>
-    <resources>
-        <image name="Logo" width="512" height="512"/>
-        <systemColor name="systemBackgroundColor">
-            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-        </systemColor>
-    </resources>
 </document>
diff --git a/PickaView/Info.plist b/PickaView/Info.plist
index c07b35d..2de3cd4 100644
--- a/PickaView/Info.plist
+++ b/PickaView/Info.plist
@@ -22,8 +22,6 @@
 					<string>Default Configuration</string>
 					<key>UISceneDelegateClassName</key>
 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
-					<key>UISceneStoryboardFile</key>
-					<string>Main</string>
 				</dict>
 			</array>
 		</dict>
diff --git a/PickaView/SceneDelegate.swift b/PickaView/SceneDelegate.swift
index 4a91fe0..b785d84 100644
--- a/PickaView/SceneDelegate.swift
+++ b/PickaView/SceneDelegate.swift
@@ -10,13 +10,16 @@ import UIKit
 class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
     var window: UIWindow?
-
+    let container = DIContainer()
 
     func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
-        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
-        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
-        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
-        guard let _ = (scene as? UIWindowScene) else { return }
+        guard let windowScene = (scene as? UIWindowScene) else { return }
+        
+        let launchVC = container.makeLaunchScreenViewController()
+        let window = UIWindow(windowScene: windowScene)
+        window.rootViewController = launchVC
+        window.makeKeyAndVisible()
+        self.window = window
     }
 
     func sceneDidDisconnect(_ scene: UIScene) {
diff --git a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift b/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
index e8bc339..6b76383 100644
--- a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
+++ b/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
@@ -11,6 +11,7 @@ class LaunchScreenViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
+        setupLayout()
         
         Task {
             do {
@@ -25,4 +26,55 @@ class LaunchScreenViewController: UIViewController {
             }
         }
     }
+    
+    // MARK: - UI Configuration
+    
+    private let stackView: UIStackView = {
+        let stack = UIStackView()
+        stack.axis = .vertical
+        stack.alignment = .center
+        stack.distribution = .equalCentering
+        stack.spacing = 20
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        return stack
+    }()
+    
+    private let logoImageView: UIImageView = {
+        let imageView = UIImageView()
+        imageView.image = UIImage(named: "logo")
+        imageView.contentMode = .scaleAspectFill
+        imageView.translatesAutoresizingMaskIntoConstraints = false
+        return imageView
+    }()
+
+    private let titleLabel: UILabel = {
+        let label = UILabel()
+        label.text = "PICK A VIEW"
+        label.font = UIFont.preferredFont(forTextStyle: .largeTitle)
+        label.textColor = .label
+        label.textAlignment = .center
+        label.translatesAutoresizingMaskIntoConstraints = false
+        return label
+    }()
+    
+    // MARK: - Layout
+    
+    /// 기본 UI 컴포넌트의 제약조건을 설정.
+    private func setupLayout() {
+        stackView.addArrangedSubview(logoImageView)
+        stackView.addArrangedSubview(titleLabel)
+        view.addSubview(stackView)
+
+        view.backgroundColor = .systemBackground
+
+        NSLayoutConstraint.activate([
+            stackView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
+            stackView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
+            stackView.leadingAnchor.constraint(greaterThanOrEqualTo: view.safeAreaLayoutGuide.leadingAnchor, constant: 32),
+            stackView.trailingAnchor.constraint(lessThanOrEqualTo: view.safeAreaLayoutGuide.trailingAnchor, constant: -32),
+
+            logoImageView.widthAnchor.constraint(equalTo: stackView.widthAnchor, multiplier: 0.8),
+            logoImageView.widthAnchor.constraint(equalTo: logoImageView.heightAnchor, multiplier: 2.0)
+        ])
+    }
 }

From 3a11b4d26a749d9df5c0481bc71c5375a553e3df Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 12:09:06 +0900
Subject: [PATCH 06/17] =?UTF-8?q?refactor:=20TabBarViewController=EC=97=90?=
 =?UTF-8?q?=EC=84=9C=20CoreDataManager=20=EC=A7=81=EC=A0=91=20=EC=B0=B8?=
 =?UTF-8?q?=EC=A1=B0=20=EC=A0=9C=EA=B1=B0=20=EB=B0=8F=20ViewModel=20?=
 =?UTF-8?q?=EA=B8=B0=EB=B0=98=20=EA=B5=AC=EC=A1=B0=EB=A1=9C=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- TabBarViewController가 CoreDataManager 대신 TabBarViewModel을 주입받도록 수정
- setupTabBar() 로직을 제거하고 viewModel에서 탭 구성 로직 위임
---
 PickaView/TabBarViewController.swift | 29 ++++------------------------
 1 file changed, 4 insertions(+), 25 deletions(-)

diff --git a/PickaView/TabBarViewController.swift b/PickaView/TabBarViewController.swift
index c903d5b..a0ee94d 100644
--- a/PickaView/TabBarViewController.swift
+++ b/PickaView/TabBarViewController.swift
@@ -8,11 +8,10 @@
 import UIKit
 
 class TabBarViewController: UITabBarController {
+    private let viewModel: TabBarViewModel
     
-    private let coreDataManager: CoreDataManager
-    
-    init(coreDataManager: CoreDataManager) {
-        self.coreDataManager = coreDataManager
+    init(viewModel: TabBarViewModel) {
+        self.viewModel = viewModel
         super.init(nibName: nil, bundle: nil)
     }
     
@@ -26,26 +25,6 @@ class TabBarViewController: UITabBarController {
         ThemeManager.shared.applyTheme()
         print("initial")
         
-        setupTabBar()
-    }
-    
-    private func setupTabBar() {
-//        let homeVM = HomeViewModel(coreDataManager: coreDataManager)
-//        let homeVC = HomeViewController(viewModel: homeVM)
-//        homeVC.tabBarItem = UITabBarItem(title: "Home", image: "house.fill", tag: 0)
-//        
-//        let likeVM = LikeViewModel(coreDataManager: coreDataManager)
-//        let likeVC = LikeViewController(viewModel: likeVM)
-//        likeVC.tabBarItem = UITabBarItem(title: "Like", image: "heart.fill", tag: 1)
-//        
-//        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
-//        let myPageVC = MyPageViewController(viewModel: myPageVM)
-//        myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: "ellipsis", tag: 2)
-//
-//        viewControllers = [
-//            UINavigationController(rootViewController: homeVC),
-//            UINavigationController(rootViewController: likeVC),
-//            UINavigationController(rootViewController: myPageVC)
-//        ]
+        viewControllers = viewModel.makeTabViewControllers()
     }
 }

From 48bd1978c53ac58d66baeea41c2733305042709e Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 12:09:59 +0900
Subject: [PATCH 07/17] =?UTF-8?q?refactor:=20LaunchScreenViewController?=
 =?UTF-8?q?=EC=9D=98=20=EC=B4=88=EA=B8=B0=20=EC=A7=84=EC=9E=85=20=EB=A1=9C?=
 =?UTF-8?q?=EC=A7=81=20ViewModel=EB=A1=9C=20=EB=B6=84=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 네트워크 및 CoreData 초기화 로직을 loadInitialData()로 이동
- performSegue 기반 화면 전환을 transitionToMain()로 대체
- LaunchScreenViewModel 생성 및 DI를 통한 초기화 구조 반영
- ViewModel에서 TabBarViewController 생성 책임 분리
---
 .../LaunchScreenViewController.swift          | 39 +++++++++++++------
 .../LaunchScreen/LaunchScreenViewModel.swift  | 26 +++++++++++++
 2 files changed, 54 insertions(+), 11 deletions(-)
 create mode 100644 PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift

diff --git a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift b/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
index 6b76383..63aa199 100644
--- a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
+++ b/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
@@ -8,22 +8,26 @@
 import UIKit
 
 class LaunchScreenViewController: UIViewController {
-
+    private let viewModel: LaunchScreenViewModel
+    
+    init(viewModel: LaunchScreenViewModel) {
+        self.viewModel = viewModel
+        super.init(nibName: nil, bundle: nil)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    // MARK: - Lifecycle
+    
     override func viewDidLoad() {
         super.viewDidLoad()
         setupLayout()
         
         Task {
-            do {
-                // Network
-                // CoreData
-
-                await MainActor.run {
-                    self.performSegue(withIdentifier: "ReplaceSegue", sender: nil)
-                }
-            } catch {
-                print("SplashView fetch Error: \(error)")
-            }
+            await loadInitialData()
+            transitionToMain()
         }
     }
     
@@ -77,4 +81,17 @@ class LaunchScreenViewController: UIViewController {
             logoImageView.widthAnchor.constraint(equalTo: logoImageView.heightAnchor, multiplier: 2.0)
         ])
     }
+    
+    // MARK: - Initial Load & Navigation
+    
+    private func loadInitialData() async {
+        // viewModel로 접근해서 네트워크 요청 및 coreDataManager.save() 등 처리
+    }
+    
+    @MainActor
+    private func transitionToMain() {
+         let tabBarController = viewModel.makeMainTabBarController()
+         tabBarController.modalPresentationStyle = .fullScreen
+         present(tabBarController, animated: true)
+     }
 }
diff --git a/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift b/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift
new file mode 100644
index 0000000..59d3769
--- /dev/null
+++ b/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift
@@ -0,0 +1,26 @@
+//
+//  LaunchScreenViewModel.swift
+//  PickaView
+//
+//  Created by 장지현 on 6/12/25.
+//
+
+
+import Foundation
+
+final class LaunchScreenViewModel {
+    let coreDataManager: CoreDataManager
+    let pixabayVideoService: PixabayVideoService
+    
+    private let container: DIContainer
+
+    init(coreDataManager: CoreDataManager, pixabayVideoService: PixabayVideoService, container: DIContainer) {
+        self.coreDataManager = coreDataManager
+        self.pixabayVideoService = pixabayVideoService
+        self.container = container
+    }
+
+    func makeMainTabBarController() -> TabBarViewController {
+        return container.makeMainTabBarController()
+    }
+}

From d8179718348c3f7364743c295232728a985ed736 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 12:11:19 +0900
Subject: [PATCH 08/17] =?UTF-8?q?refactor:=20Video=20fetch=20=EC=9A=94?=
 =?UTF-8?q?=EC=B2=AD=20=EC=8B=9C=20id=20=EA=B8=B0=EC=A4=80=20=EC=98=A4?=
 =?UTF-8?q?=EB=A6=84=EC=B0=A8=EC=88=9C=20=EC=A0=95=EB=A0=AC=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- NSFetchedResultsController에 전달되는 fetchRequest에 sortDescriptors 설정
---
 PickaView/Data/Persistence/CoreDataManager.swift | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/PickaView/Data/Persistence/CoreDataManager.swift b/PickaView/Data/Persistence/CoreDataManager.swift
index 49ac05b..4f09f0d 100644
--- a/PickaView/Data/Persistence/CoreDataManager.swift
+++ b/PickaView/Data/Persistence/CoreDataManager.swift
@@ -24,10 +24,11 @@ final class CoreDataManager {
         persistentContainer = container
         mainContext = container.viewContext
 
-        let request: NSFetchRequest<Video> = Video.fetchRequest()
+        let fetchRequest: NSFetchRequest<Video> = Video.fetchRequest()
+        fetchRequest.sortDescriptors = [NSSortDescriptor(key: "id", ascending: true)]
 
         fetchedResults = NSFetchedResultsController(
-            fetchRequest: request,
+            fetchRequest: fetchRequest,
             managedObjectContext: mainContext,
             sectionNameKeyPath: nil,
             cacheName: nil

From 8215255dd23728b0b535c2b6ff6a36e7c95bc40e Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 21:32:27 +0900
Subject: [PATCH 09/17] =?UTF-8?q?feat:=20=EC=8B=9C=EC=9E=91=20=EC=8A=A4?=
 =?UTF-8?q?=ED=86=A0=EB=A6=AC=EB=B3=B4=EB=93=9C=20=ED=8C=8C=EC=9D=BC=20Mai?=
 =?UTF-8?q?n=EC=9C=BC=EB=A1=9C=20=EB=8B=A4=EC=8B=9C=20=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Info.plist | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/PickaView/Info.plist b/PickaView/Info.plist
index 2de3cd4..c07b35d 100644
--- a/PickaView/Info.plist
+++ b/PickaView/Info.plist
@@ -22,6 +22,8 @@
 					<string>Default Configuration</string>
 					<key>UISceneDelegateClassName</key>
 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
 				</dict>
 			</array>
 		</dict>

From 698d82ec58b7e0d739cb6e6aa935586366ebba29 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 21:32:59 +0900
Subject: [PATCH 10/17] =?UTF-8?q?chore:=20SceneDelegate=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=EC=82=AC=ED=95=AD=20=EC=82=AD=EC=A0=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/SceneDelegate.swift | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/PickaView/SceneDelegate.swift b/PickaView/SceneDelegate.swift
index b785d84..29509a7 100644
--- a/PickaView/SceneDelegate.swift
+++ b/PickaView/SceneDelegate.swift
@@ -10,16 +10,12 @@ import UIKit
 class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
     var window: UIWindow?
-    let container = DIContainer()
 
     func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
-        guard let windowScene = (scene as? UIWindowScene) else { return }
-        
-        let launchVC = container.makeLaunchScreenViewController()
-        let window = UIWindow(windowScene: windowScene)
-        window.rootViewController = launchVC
-        window.makeKeyAndVisible()
-        self.window = window
+        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
+        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
+        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
+        guard let _ = (scene as? UIWindowScene) else { return }
     }
 
     func sceneDidDisconnect(_ scene: UIScene) {

From ce784aa0b826c3399e45313b3efbecaebdcc11e6 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 21:36:37 +0900
Subject: [PATCH 11/17] =?UTF-8?q?chore:=20DIContainer=20=EC=82=AD=EC=A0=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/App/DIContainer.swift | 32 --------------------------------
 1 file changed, 32 deletions(-)
 delete mode 100644 PickaView/App/DIContainer.swift

diff --git a/PickaView/App/DIContainer.swift b/PickaView/App/DIContainer.swift
deleted file mode 100644
index 54a8d98..0000000
--- a/PickaView/App/DIContainer.swift
+++ /dev/null
@@ -1,32 +0,0 @@
-//
-//  DIContainer.swift
-//  PickaView
-//
-//  Created by 장지현 on 6/12/25.
-//
-
-import UIKit
-
-final class DIContainer {
-    let coreDataManager: CoreDataManager
-    let pixabayVideoService: PixabayVideoService
-
-    init() {
-        self.coreDataManager = CoreDataManager()
-        self.pixabayVideoService = PixabayVideoService()
-    }
-
-    func makeLaunchScreenViewController() -> LaunchScreenViewController {
-        let viewModel = LaunchScreenViewModel(
-            coreDataManager: coreDataManager,
-            pixabayVideoService: pixabayVideoService,
-            container: self
-        )
-        return LaunchScreenViewController(viewModel: viewModel)
-    }
-
-    func makeMainTabBarController() -> TabBarViewController {
-        let viewModel = TabBarViewModel(coreDataManager: coreDataManager)
-        return TabBarViewController(viewModel: viewModel)
-    }
-}

From f21f021a1915d08a4a9a1c221e6482e48faeb416 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 21:38:46 +0900
Subject: [PATCH 12/17] =?UTF-8?q?feat:=20LaunchScreenView=20=EC=82=AD?=
 =?UTF-8?q?=EC=A0=9C=20=EB=B0=8F=20TabBarController=EB=A1=9C=20Initial=20?=
 =?UTF-8?q?=EC=A7=80=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Base.lproj/Main.storyboard          |  2 +-
 .../LaunchScreenViewController.swift          | 97 -------------------
 .../LaunchScreen/LaunchScreenViewModel.swift  | 26 -----
 3 files changed, 1 insertion(+), 124 deletions(-)
 delete mode 100644 PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
 delete mode 100644 PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift

diff --git a/PickaView/Base.lproj/Main.storyboard b/PickaView/Base.lproj/Main.storyboard
index 188330c..7b8f7ce 100644
--- a/PickaView/Base.lproj/Main.storyboard
+++ b/PickaView/Base.lproj/Main.storyboard
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="T1G-iv-UrV">
     <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
diff --git a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift b/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
deleted file mode 100644
index 63aa199..0000000
--- a/PickaView/Views/LaunchScreen/LaunchScreenViewController.swift
+++ /dev/null
@@ -1,97 +0,0 @@
-//
-//  LaunchScreenViewController.swift
-//  PickaView
-//
-//  Created by Ko Minhyuk on 6/5/25.
-//
-
-import UIKit
-
-class LaunchScreenViewController: UIViewController {
-    private let viewModel: LaunchScreenViewModel
-    
-    init(viewModel: LaunchScreenViewModel) {
-        self.viewModel = viewModel
-        super.init(nibName: nil, bundle: nil)
-    }
-    
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-    
-    // MARK: - Lifecycle
-    
-    override func viewDidLoad() {
-        super.viewDidLoad()
-        setupLayout()
-        
-        Task {
-            await loadInitialData()
-            transitionToMain()
-        }
-    }
-    
-    // MARK: - UI Configuration
-    
-    private let stackView: UIStackView = {
-        let stack = UIStackView()
-        stack.axis = .vertical
-        stack.alignment = .center
-        stack.distribution = .equalCentering
-        stack.spacing = 20
-        stack.translatesAutoresizingMaskIntoConstraints = false
-        return stack
-    }()
-    
-    private let logoImageView: UIImageView = {
-        let imageView = UIImageView()
-        imageView.image = UIImage(named: "logo")
-        imageView.contentMode = .scaleAspectFill
-        imageView.translatesAutoresizingMaskIntoConstraints = false
-        return imageView
-    }()
-
-    private let titleLabel: UILabel = {
-        let label = UILabel()
-        label.text = "PICK A VIEW"
-        label.font = UIFont.preferredFont(forTextStyle: .largeTitle)
-        label.textColor = .label
-        label.textAlignment = .center
-        label.translatesAutoresizingMaskIntoConstraints = false
-        return label
-    }()
-    
-    // MARK: - Layout
-    
-    /// 기본 UI 컴포넌트의 제약조건을 설정.
-    private func setupLayout() {
-        stackView.addArrangedSubview(logoImageView)
-        stackView.addArrangedSubview(titleLabel)
-        view.addSubview(stackView)
-
-        view.backgroundColor = .systemBackground
-
-        NSLayoutConstraint.activate([
-            stackView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
-            stackView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
-            stackView.leadingAnchor.constraint(greaterThanOrEqualTo: view.safeAreaLayoutGuide.leadingAnchor, constant: 32),
-            stackView.trailingAnchor.constraint(lessThanOrEqualTo: view.safeAreaLayoutGuide.trailingAnchor, constant: -32),
-
-            logoImageView.widthAnchor.constraint(equalTo: stackView.widthAnchor, multiplier: 0.8),
-            logoImageView.widthAnchor.constraint(equalTo: logoImageView.heightAnchor, multiplier: 2.0)
-        ])
-    }
-    
-    // MARK: - Initial Load & Navigation
-    
-    private func loadInitialData() async {
-        // viewModel로 접근해서 네트워크 요청 및 coreDataManager.save() 등 처리
-    }
-    
-    @MainActor
-    private func transitionToMain() {
-         let tabBarController = viewModel.makeMainTabBarController()
-         tabBarController.modalPresentationStyle = .fullScreen
-         present(tabBarController, animated: true)
-     }
-}
diff --git a/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift b/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift
deleted file mode 100644
index 59d3769..0000000
--- a/PickaView/Views/LaunchScreen/LaunchScreenViewModel.swift
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-//  LaunchScreenViewModel.swift
-//  PickaView
-//
-//  Created by 장지현 on 6/12/25.
-//
-
-
-import Foundation
-
-final class LaunchScreenViewModel {
-    let coreDataManager: CoreDataManager
-    let pixabayVideoService: PixabayVideoService
-    
-    private let container: DIContainer
-
-    init(coreDataManager: CoreDataManager, pixabayVideoService: PixabayVideoService, container: DIContainer) {
-        self.coreDataManager = coreDataManager
-        self.pixabayVideoService = pixabayVideoService
-        self.container = container
-    }
-
-    func makeMainTabBarController() -> TabBarViewController {
-        return container.makeMainTabBarController()
-    }
-}

From 81a4c66ad7efc1e78b3cac71e4c9051aabc51102 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Thu, 12 Jun 2025 21:40:02 +0900
Subject: [PATCH 13/17] =?UTF-8?q?feat:=20storyboardIdentifier=20=EC=A7=80?=
 =?UTF-8?q?=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Views/Home/Home.storyboard     | 2 +-
 PickaView/Views/Like/Like.storyboard     | 2 +-
 PickaView/Views/MyPage/MyPage.storyboard | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/PickaView/Views/Home/Home.storyboard b/PickaView/Views/Home/Home.storyboard
index 04c6196..871567f 100644
--- a/PickaView/Views/Home/Home.storyboard
+++ b/PickaView/Views/Home/Home.storyboard
@@ -13,7 +13,7 @@
         <!--Home-->
         <scene sceneID="nE6-a6-IVI">
             <objects>
-                <viewController id="HZY-Ch-Qe1" customClass="HomeViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="HomeViewController" id="HZY-Ch-Qe1" customClass="HomeViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="4L5-1a-Lg2">
                         <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
diff --git a/PickaView/Views/Like/Like.storyboard b/PickaView/Views/Like/Like.storyboard
index 8163504..42bb698 100644
--- a/PickaView/Views/Like/Like.storyboard
+++ b/PickaView/Views/Like/Like.storyboard
@@ -12,7 +12,7 @@
         <!--Like View Controller-->
         <scene sceneID="s0d-6b-0kx">
             <objects>
-                <viewController id="Y6W-OH-hqX" customClass="LikeViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="LikeViewController" id="Y6W-OH-hqX" customClass="LikeViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
                         <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
diff --git a/PickaView/Views/MyPage/MyPage.storyboard b/PickaView/Views/MyPage/MyPage.storyboard
index 738ea81..9712d6f 100644
--- a/PickaView/Views/MyPage/MyPage.storyboard
+++ b/PickaView/Views/MyPage/MyPage.storyboard
@@ -12,7 +12,7 @@
         <!--Setting-->
         <scene sceneID="g9e-EM-NR9">
             <objects>
-                <viewController id="oSK-Jy-vbr" customClass="MyPageViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="MyPageViewController" id="oSK-Jy-vbr" customClass="MyPageViewController" customModule="PickaView" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="dAa-rk-RtC">
                         <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>

From 85ae403cc31c1f5f1aae9aa1a22d4e948d21c4de Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Fri, 13 Jun 2025 01:16:07 +0900
Subject: [PATCH 14/17] =?UTF-8?q?refactor:=20TabBarViewModel=20=EB=82=B4?=
 =?UTF-8?q?=20ViewController=20=EC=9D=B8=EC=8A=A4=ED=84=B4=EC=8A=A4?=
 =?UTF-8?q?=ED=99=94=EB=A5=BC=20=EC=8A=A4=ED=86=A0=EB=A6=AC=EB=B3=B4?=
 =?UTF-8?q?=EB=93=9C=20=EB=B0=A9=EC=8B=9D=EC=9C=BC=EB=A1=9C=20=EC=A0=84?=
 =?UTF-8?q?=ED=99=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Home, Like, MyPage 탭의 ViewController를 코드 생성 → 스토리보드 기반으로 변경 (스토리보드를 유지하기 위함)
- 각 ViewModel에 필요한 의존성(CoreDataManager, VideoService) 명시적으로 주입
---
 PickaView/TabBarViewController.swift       | 13 ++-----
 PickaView/Views/Root/TabBarViewModel.swift | 40 +++++++++++++---------
 2 files changed, 26 insertions(+), 27 deletions(-)

diff --git a/PickaView/TabBarViewController.swift b/PickaView/TabBarViewController.swift
index a0ee94d..56457d5 100644
--- a/PickaView/TabBarViewController.swift
+++ b/PickaView/TabBarViewController.swift
@@ -8,20 +8,11 @@
 import UIKit
 
 class TabBarViewController: UITabBarController {
-    private let viewModel: TabBarViewModel
-    
-    init(viewModel: TabBarViewModel) {
-        self.viewModel = viewModel
-        super.init(nibName: nil, bundle: nil)
-    }
-    
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
+    private let viewModel = TabBarViewModel()
     
     override func viewDidLoad() {
         super.viewDidLoad()
-
+        
         ThemeManager.shared.applyTheme()
         print("initial")
         
diff --git a/PickaView/Views/Root/TabBarViewModel.swift b/PickaView/Views/Root/TabBarViewModel.swift
index a919dcf..ce49f87 100644
--- a/PickaView/Views/Root/TabBarViewModel.swift
+++ b/PickaView/Views/Root/TabBarViewModel.swift
@@ -8,29 +8,37 @@
 import UIKit
 
 final class TabBarViewModel {
-    private let coreDataManager: CoreDataManager
+    let coreDataManager: CoreDataManager
+    let pixabayVideoService: PixabayVideoService
 
-    init(coreDataManager: CoreDataManager) {
-        self.coreDataManager = coreDataManager
+    init() {
+        self.coreDataManager = CoreDataManager()
+        self.pixabayVideoService = PixabayVideoService()
     }
 
     func makeTabViewControllers() -> [UIViewController] {
-//        let homeVM = HomeViewModel(coreDataManager: coreDataManager)
-//        let homeVC = HomeViewController(viewModel: homeVM)
-//        homeVC.tabBarItem = UITabBarItem(title: "Home", image: UIImage(systemName: "house.fill"), tag: 0)
-//
+        let homeVM = HomeViewModel(coreDataManager: coreDataManager, pixabayVideoService: pixabayVideoService)
+        var storyboard = UIStoryboard(name: "Home", bundle: nil)
+        let homeVC = storyboard.instantiateViewController(withIdentifier: String(describing: HomeViewController.self)) as! HomeViewController
+        homeVC.viewModel = homeVM
+        homeVC.tabBarItem = UITabBarItem(title: "Home", image: UIImage(systemName: "house.fill"), tag: 0)
+
 //        let likeVM = LikeViewModel(coreDataManager: coreDataManager)
-//        let likeVC = LikeViewController(viewModel: likeVM)
-//        likeVC.tabBarItem = UITabBarItem(title: "Like", image: UIImage(systemName: "heart.fill"), tag: 1)
-//
-//        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
-//        let myPageVC = MyPageViewController(viewModel: myPageVM)
-//        myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: UIImage(systemName: "ellipsis"), tag: 2)
+        storyboard = UIStoryboard(name: "Like", bundle: nil)
+        let likeVC = storyboard.instantiateViewController(withIdentifier: String(describing: LikeViewController.self)) as! LikeViewController
+//        likeVC.viewModel = likeVM
+        likeVC.tabBarItem = UITabBarItem(title: "Like", image: UIImage(systemName: "heart.fill"), tag: 1)
 
+//        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
+        storyboard = UIStoryboard(name: "MyPage", bundle: nil)
+        let myPageVC = storyboard.instantiateViewController(withIdentifier: String(describing: MyPageViewController.self)) as! MyPageViewController
+//        myPageVC.viewModel = myPageVM
+        myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: UIImage(systemName: "ellipsis"), tag: 2)
+        
         return [
-//            UINavigationController(rootViewController: homeVC),
-//            UINavigationController(rootViewController: likeVC),
-//            UINavigationController(rootViewController: myPageVC)
+            UINavigationController(rootViewController: homeVC),
+            UINavigationController(rootViewController: likeVC),
+            UINavigationController(rootViewController: myPageVC)
         ]
     }
 }

From 32ebef9b415b2f9d8c6578cac50ea42164c6f511 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Fri, 13 Jun 2025 01:17:08 +0900
Subject: [PATCH 15/17] =?UTF-8?q?refactor:=20TabBarViewModel=EC=97=90?=
 =?UTF-8?q?=EC=84=9C=20=EC=8A=A4=ED=86=A0=EB=A6=AC=EB=B3=B4=EB=93=9C?=
 =?UTF-8?q?=EB=A5=BC=20=EC=97=B0=EA=B2=B0=ED=95=98=EA=B8=B0=20=EB=95=8C?=
 =?UTF-8?q?=EB=AC=B8=EC=97=90=20stroyboard=20reference=20=EC=A0=9C?=
 =?UTF-8?q?=EA=B1=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Base.lproj/Main.storyboard | 35 ----------------------------
 1 file changed, 35 deletions(-)

diff --git a/PickaView/Base.lproj/Main.storyboard b/PickaView/Base.lproj/Main.storyboard
index 7b8f7ce..58299a7 100644
--- a/PickaView/Base.lproj/Main.storyboard
+++ b/PickaView/Base.lproj/Main.storyboard
@@ -7,36 +7,6 @@
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
-        <!--Home-->
-        <scene sceneID="UEe-yM-Otl">
-            <objects>
-                <viewControllerPlaceholder storyboardName="Home" id="e2u-q1-NAk" sceneMemberID="viewController">
-                    <tabBarItem key="tabBarItem" title="Item" id="rUf-eL-VLf"/>
-                </viewControllerPlaceholder>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="vcV-ee-1tI" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1978" y="-230"/>
-        </scene>
-        <!--Like-->
-        <scene sceneID="aI9-FB-CNU">
-            <objects>
-                <viewControllerPlaceholder storyboardName="Like" id="GXV-pb-Ooy" sceneMemberID="viewController">
-                    <tabBarItem key="tabBarItem" title="Item" id="Pln-jd-2id"/>
-                </viewControllerPlaceholder>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="AeG-2a-2xe" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1978" y="-51"/>
-        </scene>
-        <!--MyPage-->
-        <scene sceneID="Twr-vB-NQh">
-            <objects>
-                <viewControllerPlaceholder storyboardName="MyPage" id="4YG-MR-fvA" sceneMemberID="viewController">
-                    <tabBarItem key="tabBarItem" title="Item" id="Nnn-ZW-1IV"/>
-                </viewControllerPlaceholder>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="QIv-F6-0vW" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1978" y="120"/>
-        </scene>
         <!--Tab Bar View Controller-->
         <scene sceneID="kSv-3O-sWd">
             <objects>
@@ -47,11 +17,6 @@
                         <autoresizingMask key="autoresizingMask"/>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                     </tabBar>
-                    <connections>
-                        <segue destination="e2u-q1-NAk" kind="relationship" relationship="viewControllers" id="I7Q-aZ-nqf"/>
-                        <segue destination="GXV-pb-Ooy" kind="relationship" relationship="viewControllers" id="llo-kA-2af"/>
-                        <segue destination="4YG-MR-fvA" kind="relationship" relationship="viewControllers" id="m1c-4n-Xmd"/>
-                    </connections>
                 </tabBarController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="3pZ-GI-xee" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
             </objects>

From 35a1aa8957d9b63f94faf009e6795558cad6f33e Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Fri, 13 Jun 2025 01:17:43 +0900
Subject: [PATCH 16/17] =?UTF-8?q?feat:=20HomeViewModel=20=EC=83=9D?=
 =?UTF-8?q?=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PickaView/Views/Home/HomeViewController.swift |  2 ++
 PickaView/Views/Home/HomeViewModel.swift      | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 PickaView/Views/Home/HomeViewModel.swift

diff --git a/PickaView/Views/Home/HomeViewController.swift b/PickaView/Views/Home/HomeViewController.swift
index 6d3195d..de31010 100644
--- a/PickaView/Views/Home/HomeViewController.swift
+++ b/PickaView/Views/Home/HomeViewController.swift
@@ -8,6 +8,8 @@
 import UIKit
 
 class HomeViewController: UIViewController {
+    
+    var viewModel: HomeViewModel!
 
     @IBOutlet weak var titleLabel: UILabel!
 
diff --git a/PickaView/Views/Home/HomeViewModel.swift b/PickaView/Views/Home/HomeViewModel.swift
new file mode 100644
index 0000000..07158be
--- /dev/null
+++ b/PickaView/Views/Home/HomeViewModel.swift
@@ -0,0 +1,16 @@
+//
+//  HomeViewModel.swift
+//  PickaView
+//
+//  Created by 장지현 on 6/13/25.
+//
+
+final class HomeViewModel {
+    private let coreDataManager: CoreDataManager
+    private let pixabayVideoService: PixabayVideoService
+
+    init(coreDataManager: CoreDataManager, pixabayVideoService: PixabayVideoService) {
+        self.coreDataManager = coreDataManager
+        self.pixabayVideoService = pixabayVideoService
+    }
+}

From 70aa9eedb930e245dc134c2dd6109e1f1ff612e1 Mon Sep 17 00:00:00 2001
From: jihyeonjjang <jihyeon9975@gmail.com>
Date: Fri, 13 Jun 2025 02:43:23 +0900
Subject: [PATCH 17/17] =?UTF-8?q?refactor:=20=ED=83=AD=EB=B3=84=20ViewCont?=
 =?UTF-8?q?roller=EC=9D=98=20=EC=8A=A4=ED=86=A0=EB=A6=AC=EB=B3=B4=EB=93=9C?=
 =?UTF-8?q?=20=EC=9D=B8=EC=8A=A4=ED=84=B4=EC=8A=A4=ED=99=94=20=EC=BD=94?=
 =?UTF-8?q?=EB=93=9C=20=EA=B0=9C=EC=84=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Home, Like, MyPage 스토리보드 객체와 VC 인스턴스 생성 로직 분리
- ViewModel 주입 부분은 추후 작업을 위해 주석 처리 상태로 유지
---
 PickaView/Views/Root/TabBarViewModel.swift | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/PickaView/Views/Root/TabBarViewModel.swift b/PickaView/Views/Root/TabBarViewModel.swift
index ce49f87..c39e8e3 100644
--- a/PickaView/Views/Root/TabBarViewModel.swift
+++ b/PickaView/Views/Root/TabBarViewModel.swift
@@ -18,20 +18,20 @@ final class TabBarViewModel {
 
     func makeTabViewControllers() -> [UIViewController] {
         let homeVM = HomeViewModel(coreDataManager: coreDataManager, pixabayVideoService: pixabayVideoService)
-        var storyboard = UIStoryboard(name: "Home", bundle: nil)
-        let homeVC = storyboard.instantiateViewController(withIdentifier: String(describing: HomeViewController.self)) as! HomeViewController
+        let homeStoryboard = UIStoryboard(name: "Home", bundle: nil)
+        let homeVC = homeStoryboard.instantiateViewController(withIdentifier: String(describing: HomeViewController.self)) as! HomeViewController
         homeVC.viewModel = homeVM
         homeVC.tabBarItem = UITabBarItem(title: "Home", image: UIImage(systemName: "house.fill"), tag: 0)
 
 //        let likeVM = LikeViewModel(coreDataManager: coreDataManager)
-        storyboard = UIStoryboard(name: "Like", bundle: nil)
-        let likeVC = storyboard.instantiateViewController(withIdentifier: String(describing: LikeViewController.self)) as! LikeViewController
+        let likeStoryboard = UIStoryboard(name: "Like", bundle: nil)
+        let likeVC = likeStoryboard.instantiateViewController(withIdentifier: String(describing: LikeViewController.self)) as! LikeViewController
 //        likeVC.viewModel = likeVM
         likeVC.tabBarItem = UITabBarItem(title: "Like", image: UIImage(systemName: "heart.fill"), tag: 1)
 
 //        let myPageVM = MyPageViewModel(coreDataManager: coreDataManager)
-        storyboard = UIStoryboard(name: "MyPage", bundle: nil)
-        let myPageVC = storyboard.instantiateViewController(withIdentifier: String(describing: MyPageViewController.self)) as! MyPageViewController
+        let myPageStoryboard = UIStoryboard(name: "MyPage", bundle: nil)
+        let myPageVC = myPageStoryboard.instantiateViewController(withIdentifier: String(describing: MyPageViewController.self)) as! MyPageViewController
 //        myPageVC.viewModel = myPageVM
         myPageVC.tabBarItem = UITabBarItem(title: "MyPage", image: UIImage(systemName: "ellipsis"), tag: 2)