优化

internal/handler/reader_routes.go

@@ -333,13 +333,15 @@ func readerSetSourceLoginInfoHandler(svc *service.Container) gin.HandlerFunc {
 func readerSearchHandler(svc *service.Container) gin.HandlerFunc {
 	var body struct {
 		Key string `json:"key" binding:"required"`
+		// SourceIDs 搜索范围：空表示全部启用书源（默认），非空则只搜这些书源。
+		SourceIDs []string `json:"source_ids"`
 	}
 	return func(c *gin.Context) {
 		if err := c.ShouldBindJSON(&body); err != nil {
 			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 			return
 		}
-		books, skipped, err := svc.Reader.Search(c.Request.Context(), body.Key)
+		books, skipped, err := svc.Reader.Search(c.Request.Context(), body.Key, body.SourceIDs)
 		if err != nil {
 			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 			return

internal/service/reader/login_test.go

@@ -151,7 +151,7 @@ func TestSourceLoginEndToEnd(t *testing.T) {
 	sourceID := prepareLoginSource(t, svc, loginTestSourceJSON(t, srv.URL))
 
 	// ── 登录前：未鉴权，站点返回未登录页 → 搜不到书 ──
-	if books, _, err := svc.Search(ctx, "会员"); err != nil {
+	if books, _, err := svc.Search(ctx, "会员", nil); err != nil {
 		t.Fatal(err)
 	} else if len(books) != 0 {
 		t.Fatalf("未登录时不应搜到结果: %+v", books)
@@ -188,7 +188,7 @@ func TestSourceLoginEndToEnd(t *testing.T) {
 	}
 
 	// ── 登录后搜索：应携带 Cookie 并成功 ──
-	books, skipped, err := svc.Search(ctx, "会员")
+	books, skipped, err := svc.Search(ctx, "会员", nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -210,7 +210,7 @@ func TestSourceLoginEndToEnd(t *testing.T) {
 	if info.LoggedIn || len(info.Cookies) != 0 {
 		t.Fatalf("登出后不应残留登录态: %+v", info)
 	}
-	if books, _, err := svc.Search(ctx, "会员"); err != nil {
+	if books, _, err := svc.Search(ctx, "会员", nil); err != nil {
 		t.Fatal(err)
 	} else if len(books) != 0 {
 		t.Fatalf("登出后不应还能搜到结果: %+v", books)
@@ -367,7 +367,7 @@ func TestEnabledCookieJarGating(t *testing.T) {
 }`
 	sourceID := prepareLoginSource(t, svc, srcJSON)
 
-	if _, _, err := svc.Search(ctx, "任意"); err != nil {
+	if _, _, err := svc.Search(ctx, "任意", nil); err != nil {
 		t.Fatal(err)
 	}
 	// 自动捕获被关闭：不应出现 auto=from-response
@@ -389,7 +389,7 @@ func TestEnabledCookieJarGating(t *testing.T) {
 	if _, err := svc.ImportSources(ctx, srcJSONOn); err != nil {
 		t.Fatal(err)
 	}
-	if _, _, err := svc.Search(ctx, "任意"); err != nil {
+	if _, _, err := svc.Search(ctx, "任意", nil); err != nil {
 		t.Fatal(err)
 	}
 	if got := svc.newSourceState(ctx, srv2.URL).GetCookie(srv2.URL); !strings.Contains(got, "auto=from-response") {

internal/service/reader/reader.go

@@ -737,17 +737,17 @@ type searchHit struct {
 }
 
 // Search 多源聚合搜索（同步返回，P1 改为 WS 流式推送）。
-func (s *ReaderService) Search(ctx context.Context, key string) ([]SearchBook, []SearchSkipped, error) {
+//
+// sourceIDs 是本次的搜索范围（对应 legado SearchScope.getBookSourceParts）：
+// 空表示「全部书源」——所有已启用书源；非空则只搜其中仍存在、仍启用的书源。
+// 范围内一个可搜书源都不剩时退回全部启用（对应 legado 范围失效时的兜底），
+// 这样删源/停源后不会因为残留的旧选择把搜索变成「什么都搜不到」。
+func (s *ReaderService) Search(ctx context.Context, key string, sourceIDs []string) ([]SearchBook, []SearchSkipped, error) {
 	sources, err := s.repo.ListSources(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
-	var enabled []model.ReaderBookSource
+	enabled := enabledSourcesForScope(sources, sourceIDs)
-	for _, src := range sources {
-		if src.Enabled {
-			enabled = append(enabled, src)
-		}
-	}
 	if len(enabled) == 0 {
 		return nil, nil, fmt.Errorf("没有已启用的书源")
 	}
@@ -783,6 +783,34 @@ func (s *ReaderService) Search(ctx context.Context, key string) ([]SearchBook, [
 	return mergeSearchResults(hits, key), skipped, nil
 }
 
+// enabledSourcesForScope 按搜索范围挑出可搜的书源（保持 ListSources 的 customOrder）。
+// 空范围 = 全部启用；范围里的书源不存在或已停用时忽略；全被忽略则退回全部启用。
+func enabledSourcesForScope(sources []model.ReaderBookSource, sourceIDs []string) []model.ReaderBookSource {
+	enabled := make([]model.ReaderBookSource, 0, len(sources))
+	for _, src := range sources {
+		if src.Enabled {
+			enabled = append(enabled, src)
+		}
+	}
+	if len(sourceIDs) == 0 {
+		return enabled
+	}
+	want := make(map[string]struct{}, len(sourceIDs))
+	for _, id := range sourceIDs {
+		want[id] = struct{}{}
+	}
+	scoped := make([]model.ReaderBookSource, 0, len(enabled))
+	for _, src := range enabled {
+		if _, ok := want[src.ID]; ok {
+			scoped = append(scoped, src)
+		}
+	}
+	if len(scoped) == 0 {
+		return enabled
+	}
+	return scoped
+}
+
 // SearchSkipped 搜索失败的书源与原因（书源管理调试用）。
 type SearchSkipped struct {
 	SourceID   string `json:"source_id"`

internal/service/reader/search_query_test.go

@@ -46,7 +46,7 @@ func TestSearchSendsQueryString(t *testing.T) {
 	svc, _ := newLoginTestService(t)
 	_ = prepareLoginSource(t, svc, queryEchoSource(srv.URL))
 
-	books, skipped, err := svc.Search(t.Context(), "宠魅")
+	books, skipped, err := svc.Search(t.Context(), "宠魅", nil)
 	if err != nil {
 		t.Fatalf("搜索失败: %v", err)
 	}
@@ -87,7 +87,7 @@ func TestSearchResponseUsesEmptyArrays(t *testing.T) {
 	svc, _ := newLoginTestService(t)
 	_ = prepareLoginSource(t, svc, queryEchoSource(srv.URL))
 
-	books, skipped, err := svc.Search(t.Context(), "宠魅")
+	books, skipped, err := svc.Search(t.Context(), "宠魅", nil)
 	if err != nil {
 		t.Fatalf("搜索失败: %v", err)
 	}
@@ -130,7 +130,7 @@ func TestSearchPreservesExistingPercentEncoding(t *testing.T) {
 	out, _ := json.Marshal(src)
 	_ = prepareLoginSource(t, svc, string(out))
 
-	if _, _, err := svc.Search(t.Context(), "宠魅"); err != nil {
+	if _, _, err := svc.Search(t.Context(), "宠魅", nil); err != nil {
 		t.Fatalf("搜索失败: %v", err)
 	}
 	if gotQuery != "宠魅" {

internal/service/reader/search_scope_test.go

@@ -0,0 +1,106 @@
+package reader
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+// 本文件：搜索范围的过滤逻辑（对应 legado SearchScope.getBookSourceParts）。
+// 覆盖「只搜指定源」「空范围=全部」「范围失效退回全部」三种情形。
+
+func scopeEchoSourceJSON(t *testing.T, name, serverURL string) string {
+	t.Helper()
+	src := map[string]any{
+		"bookSourceUrl":  serverURL,
+		"bookSourceName": name,
+		"searchUrl":      serverURL + "/search?q={{key}}",
+		"ruleSearch": map[string]any{
+			"bookList": "$.data",
+			"name":     "$.book_name",
+			"author":   "$.author",
+			"bookUrl":  "$.book_url",
+		},
+	}
+	out, _ := json.Marshal(src)
+	return string(out)
+}
+
+func scopeEchoServer(t *testing.T, bookName string) *httptest.Server {
+	t.Helper()
+	return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json; charset=utf-8")
+		payload := map[string]any{
+			"data": []map[string]string{{
+				"book_name": bookName,
+				"author":    "作者",
+				"book_url":  "/book/1",
+			}},
+		}
+		_ = json.NewEncoder(w).Encode(payload)
+	}))
+}
+
+func TestSearchRespectsSourceScope(t *testing.T) {
+	srvA := scopeEchoServer(t, "甲书")
+	defer srvA.Close()
+	srvB := scopeEchoServer(t, "乙书")
+	defer srvB.Close()
+
+	svc, _ := newLoginTestService(t)
+	for _, raw := range []string{
+		scopeEchoSourceJSON(t, "源A", srvA.URL),
+		scopeEchoSourceJSON(t, "源B", srvB.URL),
+	} {
+		if _, err := svc.ImportSources(t.Context(), raw); err != nil {
+			t.Fatal(err)
+		}
+	}
+	sources, err := svc.ListSources(t.Context())
+	if err != nil {
+		t.Fatal(err)
+	}
+	idByName := map[string]string{}
+	for _, s := range sources {
+		idByName[s.Name] = s.ID
+	}
+
+	names := func(books []SearchBook) map[string]bool {
+		out := map[string]bool{}
+		for _, b := range books {
+			out[b.Name] = true
+		}
+		return out
+	}
+
+	// 指定单个源：只应搜到该源的结果
+	books, skipped, err := svc.Search(t.Context(), "书", []string{idByName["源A"]})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(skipped) > 0 {
+		t.Fatalf("源A 不应失败: %+v", skipped)
+	}
+	if got := names(books); len(got) != 1 || !got["甲书"] {
+		t.Fatalf("只搜源A 应只返回甲书，实际 %+v", books)
+	}
+
+	// 空范围：默认全部启用书源，两个源都应命中
+	books, _, err = svc.Search(t.Context(), "书", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := names(books); len(got) != 2 || !got["甲书"] || !got["乙书"] {
+		t.Fatalf("空范围应搜到两个源的结果，实际 %+v", books)
+	}
+
+	// 范围里的源已不存在（删源/换设备）时退回全部启用，而不是搜不到
+	books, _, err = svc.Search(t.Context(), "书", []string{"not-a-real-source"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := names(books); len(got) != 2 {
+		t.Fatalf("失效范围应退回全部启用，实际 %+v", books)
+	}
+}

web/src/api/reader.ts

@@ -245,11 +245,13 @@ export const readerAPI = {
   setSourceVariable: (id: string, variable: string) => api.put(`/reader/sources/${id}/variable`, { variable }),
 
   // ── 搜索 / 详情 / 目录 / 正文 ──
-  search: (key: string) =>
+  // 多源聚合搜索。sourceIds 为空表示搜索范围＝全部启用书源（默认）；
+  // 非空则只搜这些书源（后端会忽略其中已删除/停用的，全部失效时退回全部启用）。
+  search: (key: string, sourceIds: string[] = []) =>
     api
       .post<{ books: ReaderSearchBook[] | null; skipped: ReaderSearchSkipped[] | null }>(
         '/reader/search',
-        { key },
+        { key, source_ids: sourceIds },
         longOpts,
       )
       .then((r) => r.data),

web/src/pages/reader/ReaderSearchPage.tsx

@@ -1,14 +1,32 @@
-import { useEffect, useRef, useState } from 'react'
+import { useEffect, useMemo, useRef, useState } from 'react'
 import { Link, useNavigate, useSearchParams } from 'react-router-dom'
 import toast from 'react-hot-toast'
-import { AlertTriangle, ArrowLeft, ChevronDown, ChevronRight, Loader2, Plus, Search } from 'lucide-react'
+import { AlertTriangle, ArrowLeft, ChevronDown, ChevronRight, ListFilter, Loader2, Plus, Search } from 'lucide-react'
 
-import { readerAPI, type ReaderSearchBook, type ReaderSearchSkipped } from '../../api/reader'
+import { readerAPI, type ReaderSearchBook, type ReaderSearchSkipped, type ReaderSource } from '../../api/reader'
 import ReaderBookCover from '../../components/ReaderBookCover'
+import { useReaderSettingsStore } from '../../stores/readerSettings'
 import { splitKindTags } from '../../utils/kindTags'
+import { SearchScopeDialog } from './SearchScopeDialog'
 import { SourcePickerDialog } from './SourcePickerDialog'
 
 // 多源聚合搜索页（仿 legado SearchActivity：结果流 + 失败书源列表）。
+// 搜索前可按书源收敛范围（对应 legado 的搜索范围）：默认全选已启用书源。
+// 搜索结果会剔除已在书架里的书——这里的搜索是用来发现新书的。
+
+/** 书架命中键：与搜索结果一致按「书名 + 作者」聚合；作者缺省时只用书名（同 legado isInBookShelf）。 */
+function shelfBookKey(name: string, author: string): string {
+  const n = name.trim()
+  const a = author.trim()
+  return a ? `${n}|${a}` : n
+}
+
+/** 这本书是否已在书架：优先按书名+作者，其次按书本身/任一命中书源的地址（换源后地址会变）。 */
+function isOnShelf(book: ReaderSearchBook, shelf: Set<string>): boolean {
+  if (shelf.has(shelfBookKey(book.name, book.author))) return true
+  if (book.book_url && shelf.has(book.book_url)) return true
+  return book.origins.some((o) => !!o.book_url && shelf.has(o.book_url))
+}
 
 export default function ReaderSearchPage() {
   const navigate = useNavigate()
@@ -23,13 +41,60 @@ export default function ReaderSearchPage() {
   const [adding, setAdding] = useState('')
   const inputRef = useRef<HTMLInputElement>(null)
 
+  // 搜索范围（设备级持久化，见 readerSettings store）：空数组 = 全部启用书源。
+  const scopeIds = useReaderSettingsStore((s) => s.searchScopeIds)
+  const setSearchScopeIds = useReaderSettingsStore((s) => s.setSearchScopeIds)
+  const [sources, setSources] = useState<ReaderSource[]>([])
+  const [showScope, setShowScope] = useState(false)
+  const enabledSources = useMemo(() => sources.filter((s) => s.enabled), [sources])
+  // 已保存范围里仍有效的书源（删源/停源后自动剔除，全失效时等同于全部）。
+  const activeScopeIds = useMemo(
+    () => scopeIds.filter((id) => enabledSources.some((s) => s.id === id)),
+    [scopeIds, enabledSources],
+  )
+  // 书源列表还没加载完（sources 为空）时不能判断有效性，先按已存 ID 数显示，
+  // 避免已保存子集在加载瞬间被错标成「全部书源」。
+  const scopeAll = scopeIds.length === 0 || (sources.length > 0 && activeScopeIds.length === 0)
+  const scopeLabel = scopeAll ? '全部书源' : `已选 ${activeScopeIds.length || scopeIds.length} 个书源`
+
+  useEffect(() => {
+    readerAPI.listSources().then(setSources).catch(() => undefined)
+  }, [])
+
+  // 书架命中集合：已在书架的书不参与结果展示（这里只找新书）。
+  const [shelfKeys, setShelfKeys] = useState<Set<string>>(() => new Set())
+  useEffect(() => {
+    readerAPI
+      .listBooks()
+      .then((books) => {
+        const keys = new Set<string>()
+        for (const b of books) {
+          keys.add(shelfBookKey(b.name, b.author))
+          if (b.book_url) keys.add(b.book_url)
+        }
+        setShelfKeys(keys)
+      })
+      .catch(() => undefined)
+  }, [])
+
+  // 展示用结果 = 原始结果剔除已在书架的书。用派生值而不是在 doSearch 里过滤：
+  // 书架是异步加载的，派生能保证「书架先到还是结果先到」都能正确隐藏，
+  // 且刚加进书架的书也会立刻从列表消失。
+  const visibleBooks = useMemo(
+    () => (books === null ? null : books.filter((b) => !isOnShelf(b, shelfKeys))),
+    [books, shelfKeys],
+  )
+  const hiddenOnShelf = books === null ? 0 : books.length - (visibleBooks?.length ?? 0)
+
   const doSearch = async () => {
     const kw = key.trim()
     if (!kw || searching) return
     setSearching(true)
     setShowSkipped(false)
     try {
-      const res = await readerAPI.search(kw)
+      // 直接把已保存范围交给后端：它只搜其中仍启用的书源，全部失效时退回全部启用，
+      // 因此这里不必等书源列表加载完，也能正确处理「换设备后书源尚未同步」的情况。
+      const res = await readerAPI.search(kw, scopeIds)
       setBooks(res.books ?? [])
       // 后端在「没有书源失败」时会把空列表编码成 null，这里兜底成数组，
       // 否则下面 skipped.length 会直接抛 TypeError 把整页打崩。
@@ -52,12 +117,20 @@ export default function ReaderSearchPage() {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
-  const addToShelf = async (book: ReaderSearchBook) => {    const origin = book.origins[0]
+  const addToShelf = async (book: ReaderSearchBook) => {
+    const origin = book.origins[0]
     if (!origin) return
     setAdding(book.book_url)
     try {
       await readerAPI.addBook({ origin, name: book.name, author: book.author, cover_url: book.cover_url })
       toast.success(`《${book.name}》已加入书架`)
+      // 立刻并入书架命中集合：这本「刚加的书」应从「搜索新书」的结果里消失。
+      setShelfKeys((prev) => {
+        const next = new Set(prev)
+        next.add(shelfBookKey(book.name, book.author))
+        if (origin.book_url) next.add(origin.book_url)
+        return next
+      })
     } catch (e) {
       const msg = (e as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '加入书架失败'
       toast.error(msg)
@@ -113,6 +186,22 @@ export default function ReaderSearchPage() {
         </button>
       </div>
 
+      {/* 搜索范围：默认「全部书源」（全选已启用），点开可收敛到指定书源 */}
+      <div className="mt-3 flex items-center gap-2">
+        <button
+          type="button"
+          onClick={() => setShowScope(true)}
+          className="inline-flex items-center gap-1.5 rounded-full border border-[var(--app-border)] bg-[var(--app-panel)] px-3 py-1.5 text-2xs font-bold text-[var(--app-muted)] transition hover:border-brand-500/40 hover:text-brand-600"
+        >
+          <ListFilter size={13} />
+          搜索范围
+          <span className="text-brand-600">{scopeLabel}</span>
+        </button>
+        {scopeAll && enabledSources.length > 0 && (
+          <span className="text-2xs text-[var(--app-subtle)]">共 {enabledSources.length} 个启用书源</span>
+        )}
+      </div>
+
       {searching && (
         <div className="flex flex-col items-center gap-2 py-24 text-[var(--app-muted)]">
           <Loader2 className="animate-spin" size={22} />
@@ -120,9 +209,19 @@ export default function ReaderSearchPage() {
         </div>
       )}
 
-      {!searching && books !== null && (
+      {!searching && visibleBooks !== null && (
         <div className="mt-6 space-y-3">
-          {books.map((book) => (
+          {hiddenOnShelf > 0 && visibleBooks.length > 0 && (
+            <p className="rounded-xl border border-[var(--app-border)] bg-[var(--app-panel-soft)] px-3 py-2 text-2xs text-[var(--app-muted)]">
+              已隐藏 {hiddenOnShelf} 本已在书架里的书
+            </p>
+          )}
+          {visibleBooks.length === 0 && (
+            <p className="py-16 text-center text-xs text-[var(--app-muted)]">
+              {hiddenOnShelf > 0 ? '搜到的书都已经在书架里了' : '没有找到结果'}
+            </p>
+          )}
+          {visibleBooks.map((book) => (
             <div
               key={`${book.name}|${book.author}`}
               className="flex gap-4 rounded-2xl border border-[var(--app-border)] bg-[var(--app-panel)] p-4"
@@ -225,6 +324,18 @@ export default function ReaderSearchPage() {
           onClose={() => setPicker(null)}
         />
       )}
+
+      {showScope && (
+        <SearchScopeDialog
+          sources={sources}
+          selectedIds={scopeIds}
+          onConfirm={(ids) => {
+            setSearchScopeIds(ids)
+            setShowScope(false)
+          }}
+          onClose={() => setShowScope(false)}
+        />
+      )}
     </div>
   )
 }

web/src/pages/reader/SearchScopeDialog.tsx

@@ -0,0 +1,219 @@
+import { useMemo, useState } from 'react'
+import { Check, Minus, Search, X } from 'lucide-react'
+
+import type { ReaderSource } from '../../api/reader'
+
+/**
+ * SearchScopeDialog 搜索范围弹窗（对应 legado 搜索页的 SearchScopeDialog）。
+ *
+ * 只列出书源维度：默认全选所有「已启用」书源（对应 legado SearchScope("") 的
+ * 「全部书源」语义），取消勾选即可把本次搜索收敛到指定书源。已停用的书源会显示
+ * 但不可勾选，让用户知道它们不会被搜索。分组标题支持整组勾选/取消（kind 批量选择）。
+ *
+ * 确认时若「全部启用书源」都被选中，回传空数组表示「全部」——与后端
+ * enabledSourcesForScope 的空范围语义一致，也让后续新增的书源自动纳入搜索。
+ */
+export function SearchScopeDialog({
+  sources,
+  selectedIds,
+  onConfirm,
+  onClose,
+}: {
+  sources: ReaderSource[]
+  /** 已保存的搜索范围；空数组 = 全部启用书源（默认全选）。 */
+  selectedIds: string[]
+  onConfirm: (ids: string[]) => void
+  onClose: () => void
+}) {
+  const enabled = useMemo(() => sources.filter((s) => s.enabled), [sources])
+  const enabledIds = useMemo(() => enabled.map((s) => s.id), [enabled])
+
+  // 初始选中：保存过范围就用它（过滤掉已删除/停用的），否则默认全选已启用。
+  const [selected, setSelected] = useState<Set<string>>(() => {
+    const valid = selectedIds.filter((id) => enabledIds.includes(id))
+    return new Set(valid.length > 0 ? valid : enabledIds)
+  })
+  const [filter, setFilter] = useState('')
+
+  const keyword = filter.trim().toLowerCase()
+  const visible = useMemo(
+    () =>
+      sources.filter(
+        (s) => !keyword || s.name.toLowerCase().includes(keyword) || (s.group ?? '').toLowerCase().includes(keyword),
+      ),
+    [sources, keyword],
+  )
+  // 按分组聚合并保持书源原顺序（ListSources 已按 customOrder 排好）。
+  const groups = useMemo(() => {
+    const map = new Map<string, ReaderSource[]>()
+    for (const s of visible) {
+      const key = (s.group ?? '').trim() || '未分组'
+      const list = map.get(key)
+      if (list) list.push(s)
+      else map.set(key, [s])
+    }
+    return [...map.entries()].map(([name, items]) => ({ name, items }))
+  }, [visible])
+
+  const pickedCount = enabledIds.filter((id) => selected.has(id)).length
+  const allSelected = pickedCount === enabledIds.length && enabledIds.length > 0
+
+  const toggle = (id: string) =>
+    setSelected((prev) => {
+      const next = new Set(prev)
+      if (next.has(id)) next.delete(id)
+      else next.add(id)
+      return next
+    })
+
+  const toggleGroup = (ids: string[]) =>
+    setSelected((prev) => {
+      const next = new Set(prev)
+      const allIn = ids.every((id) => next.has(id))
+      ids.forEach((id) => (allIn ? next.delete(id) : next.add(id)))
+      return next
+    })
+
+  // 全选/清空只作用于当前可见（可能被搜索词过滤）的已启用书源。
+  const visibleEnabledIds = visible.filter((s) => s.enabled).map((s) => s.id)
+  const selectVisible = () => setSelected((prev) => new Set([...prev, ...visibleEnabledIds]))
+  const clearVisible = () =>
+    setSelected((prev) => {
+      const next = new Set(prev)
+      visibleEnabledIds.forEach((id) => next.delete(id))
+      return next
+    })
+
+  const confirm = () => {
+    const picked = enabledIds.filter((id) => selected.has(id))
+    // 全选（含边界：启用源为空）→ 空数组 = 全部，新增书源自动纳入。
+    onConfirm(picked.length === enabledIds.length ? [] : picked)
+  }
+
+  return (
+    <div
+      className="fixed inset-0 z-[110] flex items-center justify-center bg-black/35 p-4 backdrop-blur-sm"
+      onClick={onClose}
+    >
+      <div
+        role="dialog"
+        aria-modal="true"
+        className="flex max-h-[80vh] w-full max-w-lg flex-col overflow-hidden rounded-3xl border border-[var(--app-border)] bg-[var(--app-panel)] shadow-2xl"
+        onClick={(event) => event.stopPropagation()}
+      >
+        <div className="flex items-center justify-between border-b border-[var(--app-border)] px-5 py-4">
+          <div className="min-w-0">
+            <h3 className="text-sm font-bold text-[var(--app-text)]">搜索范围</h3>
+            <p className="mt-0.5 text-2xs text-[var(--app-muted)]">
+              默认搜索全部启用书源 · 已启用 {enabledIds.length} 个
+            </p>
+          </div>
+          <button
+            type="button"
+            onClick={onClose}
+            className="rounded-xl p-1.5 text-[var(--app-muted)] hover:bg-[var(--app-hover)] hover:text-[var(--app-text)]"
+            title="关闭"
+          >
+            <X size={18} />
+          </button>
+        </div>
+
+        <div className="flex items-center gap-2 border-b border-[var(--app-border)] px-4 py-3">
+          <div className="flex flex-1 items-center gap-2 rounded-xl border border-[var(--app-border)] bg-[var(--app-panel-soft)] px-3 py-1.5">
+            <Search size={13} className="shrink-0 text-[var(--app-muted)]" />
+            <input
+              value={filter}
+              onChange={(e) => setFilter(e.target.value)}
+              placeholder="过滤书源名 / 分组"
+              className="w-full bg-transparent text-xs text-[var(--app-text)] outline-none placeholder:text-[var(--app-muted)]"
+            />
+          </div>
+          <button type="button" onClick={selectVisible} className="btn-outline text-2xs">
+            全选
+          </button>
+          <button type="button" onClick={clearVisible} className="btn-outline text-2xs">
+            清空
+          </button>
+        </div>
+
+        <div className="min-h-[160px] flex-1 overflow-y-auto p-2">
+          {sources.length === 0 ? (
+            <p className="py-12 text-center text-xs text-[var(--app-muted)]">还没有书源，先去书源管理导入</p>
+          ) : groups.length === 0 ? (
+            <p className="py-12 text-center text-xs text-[var(--app-muted)]">没有匹配「{filter.trim()}」的书源</p>
+          ) : (
+            <div className="space-y-2">
+              {groups.map((group) => {
+                const groupEnabledIds = group.items.filter((s) => s.enabled).map((s) => s.id)
+                const groupChecked = groupEnabledIds.length > 0 && groupEnabledIds.every((id) => selected.has(id))
+                const groupPartial = !groupChecked && groupEnabledIds.some((id) => selected.has(id))
+                return (
+                  <div key={group.name}>
+                    <button
+                      type="button"
+                      disabled={groupEnabledIds.length === 0}
+                      onClick={() => toggleGroup(groupEnabledIds)}
+                      className="flex w-full items-center gap-2 rounded-lg px-3 py-1.5 text-left hover:bg-[var(--app-hover)] disabled:cursor-default"
+                    >
+                      <CheckMark checked={groupChecked} partial={groupPartial} disabled={groupEnabledIds.length === 0} />
+                      <span className="min-w-0 flex-1 truncate text-2xs font-bold uppercase tracking-wide text-[var(--app-muted)]">
+                        {group.name}
+                      </span>
+                      <span className="shrink-0 text-2xs text-[var(--app-subtle)]">{group.items.length}</span>
+                    </button>
+                    <div className="mt-0.5 space-y-0.5">
+                      {group.items.map((src) => (
+                        <button
+                          key={src.id}
+                          type="button"
+                          disabled={!src.enabled}
+                          onClick={() => toggle(src.id)}
+                          className="flex w-full items-center gap-3 rounded-xl px-3 py-2 text-left transition hover:bg-[var(--app-hover)] disabled:cursor-default disabled:opacity-50"
+                        >
+                          <CheckMark checked={src.enabled && selected.has(src.id)} disabled={!src.enabled} />
+                          <span className="min-w-0 flex-1 truncate text-xs text-[var(--app-text)]">{src.name}</span>
+                          {!src.enabled && (
+                            <span className="shrink-0 rounded bg-[var(--app-hover)] px-1.5 py-0.5 text-2xs font-bold text-[var(--app-muted)]">
+                              已禁用
+                            </span>
+                          )}
+                        </button>
+                      ))}
+                    </div>
+                  </div>
+                )
+              })}
+            </div>
+          )}
+        </div>
+
+        <div className="flex items-center gap-3 border-t border-[var(--app-border)] px-5 py-3">
+          <span className="flex-1 text-2xs text-[var(--app-muted)]">
+            {allSelected ? '全部书源' : `已选 ${pickedCount} / ${enabledIds.length} 个书源`}
+          </span>
+          <button type="button" onClick={onClose} className="btn-outline text-xs">
+            取消
+          </button>
+          <button type="button" onClick={confirm} disabled={pickedCount === 0} className="btn-primary text-xs disabled:opacity-50">
+            确定
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+/** 勾选标记（纯展示，点击由外层按钮承载，避免交互元素嵌套）。 */
+function CheckMark({ checked, partial = false, disabled = false }: { checked: boolean; partial?: boolean; disabled?: boolean }) {
+  return (
+    <span
+      aria-hidden
+      className={`flex h-4 w-4 shrink-0 items-center justify-center rounded border transition ${
+        checked || partial ? 'border-brand-500 bg-brand-500 text-white' : 'border-[var(--app-border)] bg-[var(--app-panel-soft)]'
+      } ${disabled ? 'opacity-40' : ''}`}
+    >
+      {checked && <Check size={11} strokeWidth={3} />}
+      {!checked && partial && <Minus size={11} strokeWidth={3} />}
+    </span>
+  )
+}

web/src/stores/readerSettings.ts

@@ -81,6 +81,15 @@ interface ReaderSettingsState {
   comicDoublePage: boolean
   setComicDoublePage: (on: boolean) => void
 
+  // ── 搜索范围（对应 legado 搜索页的 SearchScopeDialog / AppConfig.searchScope）──
+  /**
+   * 已选书源 ID；空数组表示「全部启用书源」（默认）。只影响书籍搜索的并发范围。
+   * 和 comicDoublePage 一样是设备级偏好：刻意不参与账号同步（legado 也把
+   * searchScope 存在本机 AppConfig），换设备重新默认全选即可。
+   */
+  searchScopeIds: string[]
+  setSearchScopeIds: (ids: string[]) => void
+
   fontSize: number
   setFontSize: (size: number) => void
 
@@ -147,6 +156,9 @@ export const useReaderSettingsStore = create<ReaderSettingsState>()(
       comicDoublePage: true,
       setComicDoublePage: (comicDoublePage) => set({ comicDoublePage }),
 
+      searchScopeIds: [],
+      setSearchScopeIds: (ids) => set({ searchScopeIds: [...new Set(ids)] }),
+
       fontSize: 20,
       setFontSize: (fontSize) => set({ fontSize: Math.min(32, Math.max(14, fontSize)) }),