feat(chat): 채팅 모듈 하드코딩 문구를 I18n 키로 통일한다

SodaLive/Sources/Chat/Character/CharacterView.swift

@@ -39,7 +39,7 @@ struct CharacterView: View {
                     // 인기 캐릭터 섹션
                     if !viewModel.popularCharacters.isEmpty {
                         CharacterSectionView(
-                            title: "인기 캐릭터",
+                            title: I18n.Chat.Character.popularSectionTitle,
                             items: viewModel.popularCharacters,
                             isShowRank: true,
                             onTap: { ch in
@@ -51,7 +51,7 @@ struct CharacterView: View {
                     // 신규 캐릭터 섹션
                     if !viewModel.newCharacters.isEmpty {
                         CharacterSectionView(
-                            title: "신규 캐릭터",
+                            title: I18n.Chat.Character.newSectionTitle,
                             items: viewModel.newCharacters,
                             isShowRank: false,
                             trailingTitle: I18n.Common.viewAll,
@@ -67,7 +67,7 @@ struct CharacterView: View {
                     if !viewModel.recommendCharacters.isEmpty {
                         VStack(alignment: .leading, spacing: 16) {
                             HStack {
-                                Text("추천 캐릭터")
+                                Text(I18n.Chat.Character.recommendSectionTitle)
                                     .appFont(size: 24, weight: .bold)
                                     .foregroundColor(.white)