[FA-misc] Switches to using DTOs, updates frontend with details and reader page, updates novel import to be an upsert

FictionArchive.Service.NovelService/Models/DTOs/ChapterReaderDto.cs

@@ -0,0 +1,18 @@
+namespace FictionArchive.Service.NovelService.Models.DTOs;
+
+public class ChapterReaderDto : BaseDto<uint>
+{
+    public uint Revision { get; init; }
+    public uint Order { get; init; }
+    public string? Url { get; init; }
+    public required string Name { get; init; }
+    public required string Body { get; init; }
+    public required List<ImageDto> Images { get; init; }
+
+    // Navigation context
+    public uint NovelId { get; init; }
+    public required string NovelName { get; init; }
+    public int TotalChapters { get; init; }
+    public uint? PrevChapterOrder { get; init; }
+    public uint? NextChapterOrder { get; init; }
+}