Add book title to autocomplete suggestions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/App.jsx

@@ -274,13 +274,16 @@ function App() {
                 <datalist id="rv-authors">
                   {suggestions.authors.map(a => <option key={a} value={a} />)}
                 </datalist>
+                <datalist id="rv-books">
+                  {(suggestions.books || []).map(b => <option key={b} value={b} />)}
+                </datalist>
                 <datalist id="rv-chapters">
                   {suggestions.chapters.map(c => <option key={c} value={c} />)}
                 </datalist>
                 <div className="grid grid-cols-4 gap-4">
                   {[
                     { key: 'author',  label: 'Author',  placeholder: 'Author name',  list: 'rv-authors' },
-                    { key: 'book',    label: 'Book',    placeholder: 'Book title',    list: undefined },
+                    { key: 'book',    label: 'Book',    placeholder: 'Book title',    list: 'rv-books' },
                     { key: 'chapter', label: 'Chapter', placeholder: 'Chapter',       list: 'rv-chapters' },
                     { key: 'page',    label: 'Page',    placeholder: 'Page number',   list: undefined },
                   ].map(({ key, label, placeholder, list }) => (

frontend/src/components/JobsPanel.jsx

@@ -181,6 +181,9 @@ function JobDetail({ jobId, onClose, onReviewed, suggestions = {} }) {
             <datalist id="jd-authors">
               {(suggestions.authors || []).map(a => <option key={a} value={a} />)}
             </datalist>
+            <datalist id="jd-books">
+              {(suggestions.books || []).map(b => <option key={b} value={b} />)}
+            </datalist>
             <datalist id="jd-chapters">
               {(suggestions.chapters || []).map(c => <option key={c} value={c} />)}
             </datalist>
@@ -194,7 +197,7 @@ function JobDetail({ jobId, onClose, onReviewed, suggestions = {} }) {
               </div>
               <div>
                 <label className="text-xs text-gray-400 mb-1 block">Book</label>
-                <input type="text" value={editBook} onChange={e => setEditBook(e.target.value)} placeholder="Book title" className={INPUT_CLASS} />
+                <input type="text" list="jd-books" value={editBook} onChange={e => setEditBook(e.target.value)} placeholder="Book title" className={INPUT_CLASS} />
               </div>
               <div>
                 <label className="text-xs text-gray-400 mb-1 block">Chapter</label>
@@ -355,6 +358,9 @@ export default function JobsPanel() {
         <datalist id="jp-authors">
           {suggestions.authors.map(a => <option key={a} value={a} />)}
         </datalist>
+        <datalist id="jp-books">
+          {(suggestions.books || []).map(b => <option key={b} value={b} />)}
+        </datalist>
         <div className="grid grid-cols-3 gap-2">
           <select value={filterStatus} onChange={e => setFilterStatus(e.target.value)} className={INPUT_CLASS}>
             <option value="">All statuses</option>
@@ -362,7 +368,7 @@ export default function JobsPanel() {
             <option value="reviewed">Reviewed</option>
           </select>
           <input type="text" list="jp-authors" value={filterAuthor} onChange={e => setFilterAuthor(e.target.value)} placeholder="Author..." className={INPUT_CLASS} />
-          <input type="text" value={filterBook} onChange={e => setFilterBook(e.target.value)} placeholder="Book..." className={INPUT_CLASS} />
+          <input type="text" list="jp-books" value={filterBook} onChange={e => setFilterBook(e.target.value)} placeholder="Book..." className={INPUT_CLASS} />
         </div>
 
         <div className="flex items-center justify-between">

frontend/src/components/MetadataForm.jsx

@@ -2,7 +2,7 @@ import { BookOpen } from 'lucide-react'
 
 export default function MetadataForm({ metadata, onChange, suggestions = {} }) {
   const { author, book, chapter, page } = metadata
-  const { authors = [], chapters = [] } = suggestions
+  const { authors = [], books = [], chapters = [] } = suggestions
 
   const field = (key) => (e) => onChange({ ...metadata, [key]: e.target.value })
 
@@ -20,6 +20,9 @@ export default function MetadataForm({ metadata, onChange, suggestions = {} }) {
       <datalist id="mf-authors">
         {authors.map(a => <option key={a} value={a} />)}
       </datalist>
+      <datalist id="mf-books">
+        {books.map(b => <option key={b} value={b} />)}
+      </datalist>
       <datalist id="mf-chapters">
         {chapters.map(c => <option key={c} value={c} />)}
       </datalist>
@@ -40,6 +43,7 @@ export default function MetadataForm({ metadata, onChange, suggestions = {} }) {
           <label className="text-xs text-gray-400 mb-1 block">Book</label>
           <input
             type="text"
+            list="mf-books"
             value={book}
             onChange={field('book')}
             placeholder="Book title"

frontend/src/hooks/useSuggestions.js

@@ -3,7 +3,7 @@ import { useState, useEffect } from 'react'
 const API_BASE = import.meta.env.VITE_API_URL || 'http://localhost:8000/api'
 
 export function useSuggestions() {
-  const [suggestions, setSuggestions] = useState({ authors: [], chapters: [], reviewers: [] })
+  const [suggestions, setSuggestions] = useState({ authors: [], books: [], chapters: [], reviewers: [] })
 
   useEffect(() => {
     fetch(`${API_BASE}/jobs/suggestions`)