Add chapter kind to the web client

Chapter and its cross-referencing chips (tags, locations, questions,
character arcs) now carry kind/displayNumber/label fields end to end.
Chapter detail page gets a Kind selector; chapter chips across the
app render "Foreword"/"Afterword" instead of a misleading number for
front and back matter.

src/Novelly.Web/src/api/chapterLabel.ts

@@ -0,0 +1,6 @@
+import type { ChapterKind } from './types'
+
+export function chapterLabel(kind: ChapterKind, displayNumber: number | null, title: string): string {
+  if (kind === 'Body' && displayNumber !== null) return `Chapter ${displayNumber}: ${title}`
+  return title
+}

src/Novelly.Web/src/api/types.ts

@@ -28,6 +28,10 @@ export type DraftStatus = 'Planned' | 'Outlined' | 'Drafted' | 'Revised' | 'Fina
 
 export const draftStatuses: DraftStatus[] = ['Planned', 'Outlined', 'Drafted', 'Revised', 'Final']
 
+export type ChapterKind = 'FrontMatter' | 'Body' | 'BackMatter'
+
+export const chapterKinds: ChapterKind[] = ['FrontMatter', 'Body', 'BackMatter']
+
 export type NovelPhase = 'Brainstorming' | 'Outlining' | 'Writing' | 'Editing' | 'Complete'
 
 export const novelPhases: NovelPhase[] = ['Brainstorming', 'Outlining', 'Writing', 'Editing', 'Complete']
@@ -112,12 +116,13 @@ export interface TagSummary extends Tag {
 export interface TagReferences {
   tag: Tag
   characters: { id: string; name: string; role: string }[]
-  chapters: { id: string; number: number; title: string; summary: string | null }[]
+  chapters: { id: string; number: number; kind: ChapterKind; displayNumber: number | null; title: string; summary: string | null }[]
   beats: {
     id: string
     chapterId: string
     chapterNumber: number
     chapterTitle: string
+    chapterLabel: string
     sortOrder: number
     title: string
     characterName: string | null
@@ -136,7 +141,7 @@ export interface LocationSummary extends Location {
 
 export interface LocationReferences {
   location: Location
-  chapters: { id: string; number: number; title: string; summary: string | null }[]
+  chapters: { id: string; number: number; kind: ChapterKind; displayNumber: number | null; title: string; summary: string | null }[]
 }
 
 export interface BeatCharacter {
@@ -173,6 +178,7 @@ export interface ArcStage {
   chapterId: string | null
   chapterNumber: number | null
   chapterTitle: string | null
+  chapterLabel: string | null
   beats: CharacterBeat[]
   updatedAt: string
 }
@@ -182,6 +188,7 @@ export interface CharacterBeat {
   chapterId: string
   chapterNumber: number
   chapterTitle: string
+  chapterLabel: string
   sortOrder: number
   title: string
   whatHappened: string | null
@@ -210,6 +217,7 @@ export interface Character {
   sameCharacterAsName: string | null
   revealedInChapterId: string | null
   revealedInChapterNumber: number | null
+  revealedInChapterLabel: string | null
   identityNote: string | null
   otherIdentities: CharacterIdentity[]
   relationships: Relationship[]
@@ -227,6 +235,8 @@ export interface ChapterSummary {
   id: string
   novelId: string
   number: number
+  kind: ChapterKind
+  displayNumber: number | null
   title: string
   summary: string | null
   locations: Location[]
@@ -254,6 +264,7 @@ export interface OpenQuestion {
   chapterId: string | null
   chapterNumber: number | null
   chapterTitle: string | null
+  chapterLabel: string | null
   characterId: string | null
   characterName: string | null
   resolution: string | null

src/Novelly.Web/src/components/CharacterArc.tsx

@@ -9,7 +9,8 @@ import {
   useSetArcStageBeats,
   useUpdateArcStage,
 } from '../api/hooks'
-import type { ArcStage, Character } from '../api/types'
+import { chapterLabel } from '../api/chapterLabel'
+import type { ArcStage, Character, ChapterKind } from '../api/types'
 import { AutoField, ErrorNote } from './ui'
 
 export function CharacterArc({
@@ -127,7 +128,7 @@ function ArcStageRow({
 }: {
   novelId: string
   stage: ArcStage
-  chapters: { id: string; number: number; title: string }[]
+  chapters: { id: string; number: number; kind: ChapterKind; displayNumber: number | null; title: string }[]
   unassignedBeats: { id: string; chapterNumber: number; sortOrder: number; title: string }[]
   canMoveUp: boolean
   canMoveDown: boolean
@@ -226,7 +227,7 @@ function ArcStageRow({
               <option value="">Not pinned to a chapter</option>
               {chapters.map((chapter) => (
                 <option key={chapter.id} value={chapter.id}>
-                  Ch. {chapter.number} — {chapter.title}
+                  {chapterLabel(chapter.kind, chapter.displayNumber, chapter.title)}
                 </option>
               ))}
             </select>

src/Novelly.Web/src/components/OpenQuestions.tsx

@@ -182,7 +182,7 @@ function QuestionRow({
 
           {(showsChapter || showsCharacter) && (
             <p className="mt-1 text-xs muted">
-              {showsChapter && `Ch. ${question.chapterNumber} ${question.chapterTitle}`}
+              {showsChapter && question.chapterLabel}
               {showsChapter && showsCharacter && ' · '}
               {showsCharacter && question.characterName}
             </p>

src/Novelly.Web/src/components/ui.tsx

@@ -139,11 +139,13 @@ export function AutoField({
 }
 
 export function Select<T extends string>({
+  id,
   label,
   value,
   options,
   onChange,
 }: {
+  id?: string
   label?: string
   value: T
   options: readonly T[]
@@ -152,7 +154,7 @@ export function Select<T extends string>({
   return (
     <label className="block">
       {label && <span className="label">{label}</span>}
-      <select className="input" value={value} onChange={(e) => onChange(e.target.value as T)}>
+      <select id={id} className="input" value={value} onChange={(e) => onChange(e.target.value as T)}>
         {options.map((option) => (
           <option key={option} value={option}>
             {option}

src/Novelly.Web/src/pages/ChapterPage.tsx

@@ -17,7 +17,8 @@ import {
   useUpdateBeat,
   useUpdateChapter,
 } from '../api/hooks'
-import { draftStatuses, type Beat, type Chapter, type ChapterSummary } from '../api/types'
+import { chapterKinds, draftStatuses, type Beat, type Chapter, type ChapterSummary } from '../api/types'
+import { chapterLabel } from '../api/chapterLabel'
 import { useAuth } from '../auth/AuthContext'
 import { AutoField, ErrorNote, Select, Spinner } from '../components/ui'
 import { ConfirmModal } from '../components/ConfirmModal'
@@ -97,9 +98,9 @@ export default function ChapterPage() {
             <Link
               to={`/novels/${novelId}/chapters/${prevChapter.id}`}
               className="muted hover:underline"
-              title={`Chapter ${prevChapter.number}: ${prevChapter.title}`}
+              title={chapterLabel(prevChapter.kind, prevChapter.displayNumber, prevChapter.title)}
             >
-              ← Ch. {prevChapter.number}
+              ← {prevChapter.kind === 'Body' ? `Ch. ${prevChapter.displayNumber}` : prevChapter.title}
             </Link>
           ) : (
             <span className="muted" style={{ opacity: 0.4 }}>
@@ -110,9 +111,9 @@ export default function ChapterPage() {
             <Link
               to={`/novels/${novelId}/chapters/${nextChapter.id}`}
               className="muted hover:underline"
-              title={`Chapter ${nextChapter.number}: ${nextChapter.title}`}
+              title={chapterLabel(nextChapter.kind, nextChapter.displayNumber, nextChapter.title)}
             >
-              Ch. {nextChapter.number} →
+              {nextChapter.kind === 'Body' ? `Ch. ${nextChapter.displayNumber}` : nextChapter.title} →
             </Link>
           ) : (
             <span className="muted" style={{ opacity: 0.4 }}>
@@ -145,10 +146,11 @@ export default function ChapterPage() {
 
       {tab === 'outline' && (
         <section className="card mb-6 p-5">
-          <div className="grid gap-4 sm:grid-cols-[4rem_1fr_10rem]">
+          <div className="grid gap-4 sm:grid-cols-[4rem_1fr_9rem_10rem]">
             <label className="block">
               <span className="label">No.</span>
               <input
+                id="chapter-number-input"
                 key={chapter.id}
                 className="input"
                 type="number"
@@ -168,6 +170,14 @@ export default function ChapterPage() {
               readOnly={!canWrite}
             />
             <Select
+              id="chapter-kind-select"
+              label="Kind"
+              value={chapter.kind}
+              options={chapterKinds}
+              onChange={(kind) => canWrite && patch({ kind })}
+            />
+            <Select
+              id="chapter-status-select"
               label="Status"
               value={chapter.status}
               options={draftStatuses}
@@ -515,7 +525,7 @@ function BeatTable({
             <option value="">Move to chapter…</option>
             {otherChapters.map((c) => (
               <option key={c.id} value={c.id}>
-                {c.number}. {c.title}
+                {chapterLabel(c.kind, c.displayNumber, c.title)}
               </option>
             ))}
             <option value={MOVE_TO_NEW_CHAPTER}>New chapter…</option>

src/Novelly.Web/src/pages/ChaptersPage.tsx

@@ -49,7 +49,7 @@ export default function ChaptersPage() {
                 className="card flex items-center gap-4 px-5 py-3 transition hover:shadow-md"
               >
                 <span className="w-8 shrink-0 text-right text-sm font-semibold muted">
-                  {chapter.number}
+                  {chapter.kind === 'Body' ? chapter.displayNumber : chapter.kind === 'FrontMatter' ? 'FM' : 'BM'}
                 </span>
                 <div className="min-w-0 flex-1">
                   <div className="truncate font-medium">{chapter.title}</div>

src/Novelly.Web/src/pages/CharacterDetailPage.tsx

@@ -13,7 +13,8 @@ import {
   useUnlinkCharacterIdentity,
   useUpdateCharacter,
 } from '../api/hooks'
-import { characterImportances, characterRoles, type Character } from '../api/types'
+import { characterImportances, characterRoles, type Character, type ChapterKind } from '../api/types'
+import { chapterLabel } from '../api/chapterLabel'
 import { useAuth } from '../auth/AuthContext'
 import { AutoField, EmptyState, ErrorNote, Select, Spinner } from '../components/ui'
 import { ConfirmModal } from '../components/ConfirmModal'
@@ -467,7 +468,7 @@ function IdentitySection({
 }: {
   character: Character
   allCharacters: Character[]
-  chapters: { id: string; number: number; title: string }[]
+  chapters: { id: string; number: number; kind: ChapterKind; displayNumber: number | null; title: string }[]
   canWrite: boolean
   onLink: (sameCharacterAsId: string, revealedInChapterId: string | null, note: string | null) => void
   onUnlink: () => void
@@ -497,8 +498,8 @@ function IdentitySection({
         <h3 className="label">Identity</h3>
         <p className="text-sm">
           Really <span className="font-medium">{character.sameCharacterAsName}</span>
-          {character.revealedInChapterNumber != null && (
+          {character.revealedInChapterLabel != null && (
-            <span className="muted"> — revealed in Chapter {character.revealedInChapterNumber}</span>
+            <span className="muted"> — revealed in {character.revealedInChapterLabel}</span>
           )}
         </p>
         {character.identityNote && <p className="muted text-sm">{character.identityNote}</p>}
@@ -560,7 +561,7 @@ function IdentitySection({
                   <option value="">—</option>
                   {chapters.map((ch) => (
                     <option key={ch.id} value={ch.id}>
-                      Ch. {ch.number} — {ch.title}
+                      {chapterLabel(ch.kind, ch.displayNumber, ch.title)}
                     </option>
                   ))}
                 </select>

src/Novelly.Web/src/pages/DashboardPage.tsx

@@ -97,7 +97,7 @@ function OutliningDashboard({ novelId }: { novelId: string }) {
                     className="card flex items-center gap-3 px-4 py-2.5 transition hover:shadow-sm"
                   >
                     <span className="w-6 shrink-0 text-right text-sm font-semibold muted">
-                      {chapter.number}
+                      {chapter.kind === 'Body' ? chapter.displayNumber : chapter.kind === 'FrontMatter' ? 'FM' : 'BM'}
                     </span>
                     <div className="min-w-0 flex-1">
                       <div className="truncate font-medium">{chapter.title}</div>

src/Novelly.Web/src/pages/LocationsPage.tsx

@@ -1,6 +1,7 @@
 import { useState } from 'react'
 import { Link, useParams, useSearchParams } from 'react-router-dom'
 import { useDeleteLocation, useLocationReferences, useLocations, useNovel, useUpdateLocation } from '../api/hooks'
+import { chapterLabel } from '../api/chapterLabel'
 import { useAuth } from '../auth/AuthContext'
 import { EmptyState, ErrorNote, Spinner } from '../components/ui'
 import { ConfirmModal } from '../components/ConfirmModal'
@@ -151,7 +152,7 @@ function LocationReferencePanel({
                   to={`/novels/${novelId}/chapters/${c.id}`}
                   className="font-medium hover:underline"
                 >
-                  {c.number}. {c.title}
+                  {chapterLabel(c.kind, c.displayNumber, c.title)}
                 </Link>
                 {c.summary && <span className="muted"> — {c.summary}</span>}
               </li>

src/Novelly.Web/src/pages/TagsPage.tsx

@@ -1,6 +1,7 @@
 import { useState } from 'react'
 import { Link, useParams, useSearchParams } from 'react-router-dom'
 import { useDeleteTag, useNovel, useTagReferences, useTags, useUpdateTag } from '../api/hooks'
+import { chapterLabel } from '../api/chapterLabel'
 import { useAuth } from '../auth/AuthContext'
 import { EmptyState, ErrorNote, Spinner } from '../components/ui'
 import { ConfirmModal } from '../components/ConfirmModal'
@@ -175,7 +176,7 @@ function TagReferencePanel({
                   to={`/novels/${novelId}/chapters/${c.id}`}
                   className="font-medium hover:underline"
                 >
-                  {c.number}. {c.title}
+                  {chapterLabel(c.kind, c.displayNumber, c.title)}
                 </Link>
                 {c.summary && <span className="muted"> — {c.summary}</span>}
               </li>
@@ -198,7 +199,7 @@ function TagReferencePanel({
                 </Link>
                 <span className="muted">
                   {' '}
-                  — ch. {b.chapterNumber} “{b.chapterTitle}”, beat {b.sortOrder}
+                  — {b.chapterLabel}, beat {b.sortOrder}
                   {b.characterName && `, ${b.characterName}`}
                 </span>
                 {b.whatHappened && <div className="prose-serif muted">{b.whatHappened}</div>}