feat: add study content readonly endpoints

Tiku.Application/StudyContent/IStudyContentQueryService.cs

@@ -0,0 +1,26 @@
+using Tiku.Application.Catalog;
+
+namespace Tiku.Application.StudyContent;
+
+public interface IStudyContentQueryService
+{
+    Task<CatalogList<VocabularyUnitCatalogItem>> GetVocabularyUnitsAsync(
+        StudyContentFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<VocabularyWordCatalogItem>> GetVocabularyWordsAsync(
+        StudyContentFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<HandbookSubjectCatalogItem>> GetHandbookSubjectsAsync(
+        StudyContentFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<HandbookChapterCatalogItem>> GetHandbookChaptersAsync(
+        StudyContentFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<HandbookEntryCatalogItem>> GetHandbookEntriesAsync(
+        StudyContentFilter filter,
+        CancellationToken cancellationToken = default);
+}

Tiku.Application/StudyContent/StudyContentQueryModels.cs

@@ -0,0 +1,84 @@
+using System.Text.Json;
+using Tiku.Domain.Content;
+
+namespace Tiku.Application.StudyContent;
+
+public sealed record StudyContentFilter(
+    Guid TenantId,
+    Guid? RegionId = null,
+    Guid? UnitId = null,
+    Guid? SubjectId = null,
+    Guid? ChapterId = null,
+    Guid? EntryId = null,
+    Guid? ContentNodeId = null,
+    string? Keyword = null,
+    bool IncludeContent = false,
+    int? Limit = null);
+
+public sealed record VocabularyUnitCatalogItem(
+    Guid Id,
+    string? LegacyId,
+    Guid? RegionId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    string Name,
+    string? Description,
+    int? WordCount,
+    int Order,
+    JsonElement Metadata);
+
+public sealed record VocabularyWordCatalogItem(
+    Guid Id,
+    string? LegacyId,
+    Guid? UnitId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    string Word,
+    string? Phonetic,
+    string? Meaning,
+    string? Example,
+    string? ExampleTranslation,
+    int? Difficulty,
+    JsonElement Tags,
+    int Order,
+    JsonElement Metadata);
+
+public sealed record HandbookSubjectCatalogItem(
+    Guid Id,
+    string? LegacyId,
+    Guid? RegionId,
+    Guid? SchoolId,
+    Guid? MajorId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    string Name,
+    HandbookSubjectType? Type,
+    string? Icon,
+    string? Color,
+    string? Description,
+    int Order,
+    JsonElement Metadata);
+
+public sealed record HandbookChapterCatalogItem(
+    Guid Id,
+    string? LegacyId,
+    Guid? SubjectId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    string Name,
+    string? Description,
+    int Order,
+    JsonElement Metadata);
+
+public sealed record HandbookEntryCatalogItem(
+    Guid Id,
+    string? LegacyId,
+    Guid? ChapterId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    string Title,
+    string? Summary,
+    string? Content,
+    JsonElement Tags,
+    int Order,
+    JsonElement Metadata);