chore: batch commit remaining changes

Includes search engine improvements, Alembic migrations,
new services (pubmed_daily_update, query_expansion),
frontend updates, and documentation sync.

frontend/src/types/index.ts

@@ -315,19 +315,47 @@ export interface TagOption {
   [key: string]: unknown
 }
 
+/** 用户保存的自定义筛选器 */
+export interface SavedFilter {
+  id: string
+  name: string
+  query_string: string
+  sort_order: number
+}
+
 /** 搜索请求体 */
 export interface SearchRequestBody {
   query: string
-  field: string
+  field?: string
   page: number
   page_size: number
   sort?: string
+  cursor_date?: string
+  cursor_id?: string
   year_from?: number
   year_to?: number
   date_from?: string
   date_to?: string
   journal_tiers?: string[]
   tag_ids?: string[]
+  pub_types?: string[]
+  is_oa?: boolean | null
+  language?: string | null
+  languages?: string[]
+  nlm_subsets?: string[]
+  retracted?: string
+  negative_result?: string
+  precision_mode?: string
+  // PubMed 筛选器
+  has_abstract?: boolean
+  is_free_full_text?: boolean
+  has_full_text?: boolean
+  has_associated_data?: boolean
+  species?: string[]
+  sex?: string[]
+  age?: string[]
+  medline_only?: boolean
+  exclude_preprints?: boolean
 }
 
 /** 个人文件夹 */
@@ -349,3 +377,21 @@ export interface PaginatedResponse<T> {
   page?: number
   page_size?: number
 }
+
+/** 搜索结果卡片显示设置 */
+export interface DisplaySettings {
+  showAuthors: boolean
+  showAffiliation: boolean
+  showJournal: boolean
+  showPmid: boolean
+  showDoi: boolean
+  showAbstract: boolean
+  showStudyTypes: boolean
+  showTags: boolean
+  showCitedBy: boolean
+  showAiSummary: boolean
+  showActions: boolean
+  showBadges: boolean
+  showSummary: boolean
+  showPubmed: boolean
+}