feat(client): polish ViewHeader, library icon, and appearance fixes

packages/types/src/author.ts

@@ -0,0 +1,75 @@
+import type { BooksPage } from './book';
+
+export type AuthorSummary = {
+  id: number;
+  name: string;
+  sortName: string | null;
+  description?: string | null;
+  imageUrl?: string | null;
+  bookCount: number;
+  lastAddedAt: string | null;
+};
+
+export type AuthorDetail = AuthorSummary & {
+  description: string | null;
+};
+
+export type AuthorsPage = {
+  items: AuthorSummary[];
+  total: number;
+  page: number;
+  size: number;
+};
+
+export type AuthorBooksPage = BooksPage;
+
+export type MergeAuthorsResult = {
+  target: AuthorDetail;
+  mergedAuthorIds: number[];
+  affectedBookCount: number;
+};
+
+export type AuthorDuplicateSuggestion = {
+  left: AuthorSummary;
+  right: AuthorSummary;
+  confidence: number;
+  reasons: string[];
+};
+
+export type AuthorInsightsRow = {
+  id: number;
+  name: string;
+  bookCount: number;
+  lastAddedAt: string | null;
+  metric: number;
+  secondaryMetric?: number | null;
+};
+
+export type AuthorInsights = {
+  generatedAt: string;
+  windowDays: number;
+  newAuthors: AuthorInsightsRow[];
+  mostRead: AuthorInsightsRow[];
+  unreadBacklog: AuthorInsightsRow[];
+};
+
+export const AuthorMetadataProviderKey = {
+  AUDNEXUS: 'audnexus',
+} as const;
+
+export type AuthorMetadataProviderKey = (typeof AuthorMetadataProviderKey)[keyof typeof AuthorMetadataProviderKey];
+
+export type AuthorMetadataCandidate = {
+  provider: AuthorMetadataProviderKey;
+  providerId: string;
+  name: string;
+  description?: string;
+  imageUrl?: string;
+  sourceUrl?: string;
+};
+
+export type AuthorMetadataProviderInfo = {
+  key: AuthorMetadataProviderKey;
+  label: string;
+  identifiable: boolean;
+};

packages/types/src/index.ts

@@ -15,3 +15,4 @@ export * from "./kobo";
 export * from "./staging";
 export * from "./file-write";
 export * from "./epub";
+export * from "./author";