feat(web): series, season and episode removal

Series detail exposes DELETE /api/series/{id} through the movie
removePanel, generalised over endpoints and file rollup instead of
copied. Season headers and on-disk episode rows get the settings
armed-delete control wired to #174's file endpoints, worded for what
they do: files go, wanted clears, the row stays listed.

Closes #175

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

web/index.html

@@ -495,6 +495,28 @@
         </div>
       </section>
 
+      <!-- removal is the one library control a series carries (issue 175):
+           the same arming panel a movie uses — evidence first, then the
+           decision — wired to DELETE /api/series/{id} -->
+      <section class="deck-group" id="series-library" aria-label="library controls">
+        <header class="deck-head">
+          <h3 class="deck-label">library</h3>
+        </header>
+        <div class="movie-controls">
+          <span class="movie-controls-space"></span>
+          <button
+            type="button"
+            class="control control-quiet"
+            id="series-remove"
+            aria-expanded="false"
+            aria-controls="series-remove-panel"
+          >
+            remove
+          </button>
+        </div>
+        <div class="remove-panel" id="series-remove-panel" hidden></div>
+      </section>
+
       <ul class="deck-rows seasons" id="rows-seasons"></ul>
     </main>
 

web/src/main.ts

@@ -32,6 +32,7 @@ import {
   type SeriesAttention,
 } from "./queues";
 import {
+  type ActionOutcome,
   bucketOf,
   type FilesOutcome,
   formatAudio,
@@ -44,7 +45,6 @@ import {
   formatSweepAge,
   grabRelease,
   libraryFolder,
-  type MovieFile,
   type MovieRelease,
   movieFiles,
   movieReleases,
@@ -87,16 +87,20 @@ import {
   fileAttributeTags,
   formatAirDate,
   isUnaired,
+  removeEpisodeFiles,
+  removeSeasonFiles,
+  removeSeries,
   type SeriesMetadata,
   seasonCounts,
   seasonTarget,
+  seriesFolder,
   seriesMetadata,
   setEpisodeWanted,
   setSeasonTracked,
   type TvTarget,
   waiveAndGrabTv,
 } from "./series";
-import { settingsMain } from "./settings";
+import { armedDelete, settingsMain } from "./settings";
 import "./style.css";
 
 const POLL_MS = 15_000;
@@ -257,7 +261,7 @@ function main() {
   views.push(tvDeck, seriesDetail, movieDetail, library, queues, settings);
   const search = searchMain(movieDetail, seriesDetail, views, goHome);
   // a removed title must not survive on the surface the page opened over
-  movieDetail.setRemoved((parent) => {
+  const openAfterRemoval = (parent: Route) => {
     switch (parent.kind) {
       case "library":
         library.open();
@@ -272,7 +276,9 @@ function main() {
         library.open();
         break;
     }
-  });
+  };
+  movieDetail.setRemoved(openAfterRemoval);
+  seriesDetail.setRemoved(openAfterRemoval);
   refreshQueuesBadge = () => {
     void queues.refreshBadge();
   };
@@ -1775,15 +1781,24 @@ function movieMain(views: HideableView[]): MovieView {
     if (!movie) {
       return;
     }
-    const panel = removePanel(movie, {
-      cancel: closeRemove,
-      removed: () => {
-        const parent = parentRoute;
-        clearRemove();
-        close();
-        removed?.(parent);
+    const panel = removePanel(
+      {
+        title: movie.title,
+        files: () => movieFiles(movie.id),
+        folder: libraryFolder,
+        remove: () => removeMovie(movie.id),
+        seedLine: "the torrent keeps seeding until its tracker rule clears.",
       },
-    });
+      {
+        cancel: closeRemove,
+        removed: () => {
+          const parent = parentRoute;
+          clearRemove();
+          close();
+          removed?.(parent);
+        },
+      },
+    );
     removeWrap.replaceChildren(panel);
     removeWrap.hidden = false;
     remove.setAttribute("aria-expanded", "true");
@@ -1936,6 +1951,27 @@ interface RemoveActions {
   removed: () => void;
 }
 
+/** The slice of a file the removal panel reads: evidence, nothing else. */
+interface RemoveFile {
+  path: string;
+  size: number;
+}
+
+/**
+ * What the panel needs to know about a title (issue 175): a movie and a
+ * series differ only in which endpoints they call, how their files roll up
+ * to one folder, and how many torrents the §7.3 warning speaks of.
+ */
+interface RemoveSubject {
+  title: string;
+  files: () => Promise<{ kind: "files"; files: RemoveFile[] } | { kind: "error"; detail: string }>;
+  /** The one folder the delete takes, when the files agree on it. */
+  folder: (files: RemoveFile[]) => string | null;
+  remove: () => Promise<ActionOutcome>;
+  /** What does not happen: seeding continues under its own rule (§7.3). */
+  seedLine: string;
+}
+
 /**
  * The removal confirmation (issue 104, simplified by 110): removing a title
  * always unlinks its §7.4 folder, so there is one decision, not two.
@@ -1943,15 +1979,16 @@ interface RemoveActions {
  * It names the §7.4 folder it would unlink rather than promising in the
  * abstract — the service knows only what it wrote (§2), so the file list is
  * the whole truth about what disappears. And it says what does not happen:
- * the torrent keeps seeding under its own rule (§7.3).
+ * seeding continues under its own rule (§7.3).
  */
-function removePanel(movie: LibraryMovie, actions: RemoveActions): HTMLElement {
+function removePanel(subject: RemoveSubject, actions: RemoveActions): HTMLElement {
   const panel = document.createElement("div");
   panel.className = "remove-body";
   panel.setAttribute("role", "group");
-  panel.setAttribute("aria-label", `remove ${movie.title}`);
+  panel.setAttribute("aria-label", `remove ${subject.title}`);
 
-  let files: MovieFile[] | null = null;
+  let files: RemoveFile[] | null = null;
+  let folderNamed = false;
 
   const evidence = document.createElement("p");
   evidence.className = "remove-evidence readout dim";
@@ -1982,8 +2019,7 @@ function removePanel(movie: LibraryMovie, actions: RemoveActions): HTMLElement {
     const hasFiles = files !== null && files.length > 0;
     panel.dataset.armed = String(hasFiles);
     if (hasFiles) {
-      note.textContent =
-        "deletes the folder above. the torrent keeps seeding until its tracker rule clears.";
+      note.textContent = `${folderNamed ? "deletes the folder above." : "deletes the files above."} ${subject.seedLine}`;
       note.dataset.tone = "warn";
       return;
     }
@@ -1996,7 +2032,7 @@ function removePanel(movie: LibraryMovie, actions: RemoveActions): HTMLElement {
     cancel.disabled = true;
     delete note.dataset.tone;
     note.textContent = "removing title and files…";
-    void removeMovie(movie.id).then((outcome) => {
+    void subject.remove().then((outcome) => {
       if (outcome.kind === "done") {
         actions.removed();
         return;
@@ -2009,7 +2045,7 @@ function removePanel(movie: LibraryMovie, actions: RemoveActions): HTMLElement {
     });
   });
 
-  void movieFiles(movie.id).then((outcome) => {
+  void subject.files().then((outcome) => {
     if (outcome.kind === "error") {
       evidence.textContent = `files unreadable — ${outcome.detail}`;
       paint();
@@ -2023,7 +2059,8 @@ function removePanel(movie: LibraryMovie, actions: RemoveActions): HTMLElement {
     }
     const count = `${files.length} ${files.length === 1 ? "file" : "files"}`;
     evidence.textContent = `${count} · ${formatSize(totalSize(files))}`;
-    const folder = libraryFolder(files);
+    const folder = subject.folder(files);
+    folderNamed = folder !== null;
     path.hidden = false;
     path.textContent = folder ?? files.map((file) => file.path).join("\n");
     paint();
@@ -2928,6 +2965,8 @@ interface SeriesView {
     returnTo: HTMLElement,
     parentRoute: Route,
   ) => Promise<void>;
+  /** Where to land once the title is gone — same contract as a movie. */
+  setRemoved: (handler: (parent: Route) => void) => void;
 }
 
 const PAD_TWO = (value: number): string => String(value).padStart(2, "0");
@@ -2948,6 +2987,8 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
   const actionsEl = must<HTMLElement>("#series-actions");
   const statusEl = must<HTMLElement>("#series-status");
   const seasonsList = must<HTMLUListElement>("#rows-seasons");
+  const remove = must<HTMLButtonElement>("#series-remove");
+  const removeWrap = must<HTMLElement>("#series-remove-panel");
 
   let roots: Root[] = [];
   let series: ApiSeries | null = null;
@@ -2963,6 +3004,7 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
   let focusKey: string | null = null;
   // guards a stale fetch from painting over a newer view
   let sequence = 0;
+  let removed: ((parent: Route) => void) | null = null;
 
   function setStatus(text: string | null, tone?: "fault") {
     statusEl.hidden = text === null;
@@ -2974,6 +3016,59 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     }
   }
 
+  /* ---- removal confirmation: the movie panel, generalised (issue 175) ---- */
+
+  /** Tears the confirmation down without stealing focus from a caller. */
+  function clearRemove() {
+    removeWrap.hidden = true;
+    removeWrap.replaceChildren();
+    remove.setAttribute("aria-expanded", "false");
+  }
+
+  function closeRemove() {
+    clearRemove();
+    remove.focus();
+  }
+
+  function openRemove() {
+    const current = series;
+    const id = seriesId;
+    if (!current || id === null) {
+      return;
+    }
+    const panel = removePanel(
+      {
+        title: current.title,
+        files: () => fetchSeriesFiles(id),
+        folder: seriesFolder,
+        remove: () => removeSeries(id),
+        seedLine: "torrents keep seeding until their tracker rules clear.",
+      },
+      {
+        cancel: closeRemove,
+        removed: () => {
+          const parent = parentRoute;
+          clearRemove();
+          close();
+          removed?.(parent);
+        },
+      },
+    );
+    removeWrap.replaceChildren(panel);
+    removeWrap.hidden = false;
+    remove.setAttribute("aria-expanded", "true");
+    // cancel takes focus, not the destructive action (same as a movie)
+    panel.querySelector<HTMLElement>(".remove-actions .control:last-child")?.focus();
+  }
+
+  remove.addEventListener("click", () => {
+    if (removeWrap.hidden) {
+      openRemove();
+    } else {
+      closeRemove();
+    }
+  });
+
   function paintHeader() {
     const current = series;
     if (!current) {
@@ -3200,6 +3295,32 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
       );
     }
     line.append(space, deckBtn);
+    // #174: files go, episodes stop being wanted, the season stays listed.
+    // Only offered with files on disk — intent alone is the tracked toggle.
+    if (season.episodes.some((episode) => filesByEpisode.has(episode.id))) {
+      const clear = armedDelete("remove files", () => {
+        const currentId = seriesId;
+        if (currentId === null) {
+          return;
+        }
+        void removeSeasonFiles(currentId, season.number).then((outcome) => {
+          if (outcome.kind === "error") {
+            clear.disabled = false;
+            setStatus(`remove failed — ${outcome.detail}`, "fault");
+            return;
+          }
+          // the control itself disappears with the files; the tracked
+          // toggle is the season's control that survives the repaint
+          focusKey = `track-${season.number}`;
+          void load();
+        });
+      });
+      clear.setAttribute(
+        "aria-label",
+        `remove ${season.number === 0 ? "specials" : `season ${PAD_TWO(season.number)}`} files from disk and stop wanting its episodes — the season stays listed`,
+      );
+      line.append(clear);
+    }
     item.append(line);
 
     const episodes = document.createElement("ul");
@@ -3262,7 +3383,25 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     const onDisk = episode.state === "available";
 
     if (aired && onDisk) {
-      // present and correct: nothing to decide here
+      // #174: the file goes and the episode stops being wanted; the row
+      // stays listed. Same arm-then-confirm as a settings row.
+      const clear = armedDelete("remove file", () => {
+        void removeEpisodeFiles(episode.id).then((outcome) => {
+          if (outcome.kind === "error") {
+            clear.disabled = false;
+            setStatus(`remove failed — ${outcome.detail}`, "fault");
+            return;
+          }
+          // once missing, the row's want control is what remains to focus
+          focusKey = `want-${episode.id}`;
+          void load();
+        });
+      });
+      clear.setAttribute(
+        "aria-label",
+        `remove the ${episodeTag(seasonNumber, episode.number)} file from disk and stop wanting the episode — it stays listed`,
+      );
+      actions.append(clear);
     } else if (!aired) {
       const note = document.createElement("span");
       note.className = "readout dim ep-unaired";
@@ -3392,6 +3531,7 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     focusKey = null;
     deckEl.hidden = true;
     view.hidden = false;
+    clearRemove();
     clearRichDetail();
     back.focus();
     await load();
@@ -3402,6 +3542,7 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     seriesId = null;
     seasons = null;
     sequence += 1;
+    clearRemove();
     clearRichDetail();
   }
 
@@ -3421,6 +3562,11 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     (event) => {
       if (event.key === "Escape" && !view.hidden) {
         event.stopImmediatePropagation();
+        // the confirmation is the innermost layer: Esc abandons it first
+        if (!removeWrap.hidden) {
+          closeRemove();
+          return;
+        }
         navigate(parentRoute);
         close();
       }
@@ -3428,7 +3574,13 @@ function seriesMain(tvDeck: TvReleasesView, views: HideableView[]): SeriesView {
     true,
   );
 
-  return { hide, open };
+  return {
+    hide,
+    open,
+    setRemoved: (handler: (parent: Route) => void) => {
+      removed = handler;
+    },
+  };
 }
 
 /* ---- attention queues (§5.2 + §5.7, issue #33) ------------------------ */

web/src/releases.ts

@@ -131,7 +131,7 @@ export async function movieFiles(movieId: number): Promise<FilesOutcome> {
  * names everything a files-too remove takes. `null` when the files disagree,
  * which the panel then says instead of naming one folder falsely.
  */
-export function libraryFolder(files: MovieFile[]): string | null {
+export function libraryFolder(files: { path: string }[]): string | null {
   const folders = new Set(files.map((file) => file.path.slice(0, file.path.lastIndexOf("/"))));
   if (folders.size !== 1) {
     return null;
@@ -140,7 +140,7 @@ export function libraryFolder(files: MovieFile[]): string | null {
   return folder === undefined || folder === "" ? null : folder;
 }
 
-export function totalSize(files: MovieFile[]): number {
+export function totalSize(files: { size: number }[]): number {
   return files.reduce((sum, file) => sum + file.size, 0);
 }
 

web/src/series.ts

@@ -149,6 +149,68 @@ export async function setEpisodeWanted(episodeId: number, wanted: boolean): Prom
   }
 }
 
+/* ---- removal (issues 174 + 175) ---------------------------------------- */
+
+/**
+ * The §7.4 title folder these episode files share. Season subfolders differ
+ * between files, so the shared folder is the one carrying the `[tmdbid-…]`
+ * tag every §7.4 title folder name has. `null` when the files disagree,
+ * which the panel then says instead of naming one folder falsely.
+ */
+export function seriesFolder(files: { path: string }[]): string | null {
+  const folders = new Set<string>();
+  for (const file of files) {
+    const parts = file.path.split("/");
+    const titleAt = parts.findIndex((part) => part.includes("[tmdbid-"));
+    const folder =
+      titleAt > 0
+        ? parts.slice(0, titleAt + 1).join("/")
+        : file.path.slice(0, file.path.lastIndexOf("/"));
+    if (folder === "") {
+      return null;
+    }
+    folders.add(folder);
+  }
+  if (folders.size !== 1) {
+    return null;
+  }
+  return [...folders][0] ?? null;
+}
+
+/**
+ * Remove the series from the library. The row and its §7.4 title folder go.
+ * Torrents keep seeding — the reaper owns that lifecycle (§7.3).
+ */
+export function removeSeries(seriesId: number): Promise<ActionOutcome> {
+  return del(`/api/series/${seriesId}`);
+}
+
+/**
+ * #174: the season's files go and its episodes stop being wanted. The season
+ * stays listed — TMDB owns that metadata and the next refresh would recreate
+ * it anyway.
+ */
+export function removeSeasonFiles(seriesId: number, seasonNumber: number): Promise<ActionOutcome> {
+  return del(`/api/series/${seriesId}/seasons/${seasonNumber}/files`);
+}
+
+/** #174, one episode: the file goes and the episode stops being wanted. */
+export function removeEpisodeFiles(episodeId: number): Promise<ActionOutcome> {
+  return del(`/api/episodes/${episodeId}/files`);
+}
+
+async function del(url: string): Promise<ActionOutcome> {
+  try {
+    const response = await fetch(url, { method: "DELETE" });
+    if (!response.ok) {
+      return { kind: "error", detail: await errorDetail(response) };
+    }
+    return { kind: "done" };
+  } catch {
+    return { kind: "error", detail: "daemon unreachable" };
+  }
+}
+
 /* ---- manual triggers and decks ---------------------------------------- */
 
 /** §6.2 manual search, one targeted sweep, for a season or an episode. */

web/src/settings.ts

@@ -188,9 +188,10 @@ function listValue(input: HTMLInputElement): string[] {
 /**
  * First click arms the destructive action, second confirms. The armed state
  * clears on blur or after a few seconds, so an accidental double click
- * never deletes.
+ * never deletes. Shared with the series detail rows — one confirmation
+ * idiom for row-level destruction, not one per page.
  */
-function armedDelete(label: string, execute: () => void): HTMLButtonElement {
+export function armedDelete(label: string, execute: () => void): HTMLButtonElement {
   const button = el("button", "control control-quiet readout", label);
   button.type = "button";
   let armed = false;

web/src/style.css

@@ -995,6 +995,17 @@ body {
   border-color: var(--signal-warn);
 }
 
+/* the settings arm-then-confirm, shared with season and episode rows: an
+   armed control turns caution amber until it disarms or fires */
+.control[data-armed="true"] {
+  color: var(--signal-warn);
+  border-color: oklch(from var(--signal-warn) l c h / 55%);
+}
+
+.control[data-armed="true"]:hover:not(:disabled) {
+  border-color: var(--signal-warn);
+}
+
 .bucket-head {
   align-items: center;
 }