feat(filters): panel removal + All-Books field-values fix (faceted plan Phase 8)

- Remove the Phase 7 facet-panel UI: SSR route, facet_panel.templ,
  FacetCountsForView, drawer panel block, panel TS + .facet-* CSS.
  The ENGINE stays (FacetCountsUnderFilters, all-facets endpoint,
  drift guard) — it becomes the Phase 9 builder's machinery.
- Fix the All-Books bug: field-values autocomplete (author/genre/
  tags/narrator/series/language) treats library_id as OPTIONAL —
  absent aggregates every VISIBLE library (family lens in-query);
  explicit out-of-set library_id is now 403, never a silent pass.
  The four scalar Search*Values queries get the nullable shape.
- toast.ts: suggestion fetches are exempt from error toasts
  (console-only) — a failed background hint never interrupts.
- TestFacetPanelPartial deleted with the behavior; TestFieldValuesAll-
  Libraries pins the fix (200 + cross-library aggregation, family
  lens, 403). Contract-pins changelog entry added.

web/src/bookshelf.ts

@@ -94,7 +94,6 @@ Alpine.data("bookshelf", () => ({
   // Standalone function references (don't access component state)
   clearFilters,
   initBookshelf,
-  loadFacetPanel,
 
   // Inline method - opens the modal
   showSaveFilterModal() {
@@ -659,74 +658,6 @@ function refreshFilterChips(): void {
   );
 }
 
-// splitFacetValues is the client twin of services.SplitFacetValues: a
-// comma-joined filter value is a multi-select (OR within the facet,
-// AND across facets).
-function splitFacetValues(wireValue: string): string[] {
-  return wireValue
-    .split(",")
-    .map((v) => v.trim())
-    .filter((v) => v !== "");
-}
-
-// loadFacetPanel fetches the drawer's facet-value partial with the
-// CURRENT filter query string (faceted plan Phase 7): the values are
-// server-rendered by templ (templates/facet_panel.templ), and their
-// counts are computed under the active filters by the all-facets query
-// — one round trip for every facet at once.
-async function loadFacetPanel(): Promise<void> {
-  const target = document.getElementById("facet-panel");
-  const filterForm = document.getElementById(
-    "filter-form",
-  ) as HTMLFormElement | null;
-  if (!target || !filterForm) return;
-  // Serialize the form's named fields (all inputs/selects — no
-  // multi-selects or file inputs here) — typed directly, since the
-  // project's tsconfig lib lacks DOM.Iterable (FormData.entries()).
-  const pairs: string[][] = [];
-  filterForm
-    .querySelectorAll<HTMLInputElement | HTMLSelectElement>("input, select")
-    .forEach((el) => {
-      if (el.name) pairs.push([el.name, el.value]);
-    });
-  const qs = new URLSearchParams(pairs).toString();
-  await window.htmx.ajax("GET", `/media-items/facet-panel?${qs}`, {
-    target: "#facet-panel",
-    swap: "innerHTML",
-  });
-}
-
-// toggleFacetValue applies one panel click: the value joins/leaves its
-// facet's comma-joined filter. The facet's input may be a typed drawer
-// field (set its value) or absent entirely — deep-link-only facets get
-// a hidden input, exactly like applyURLFilters does, so chips and
-// clearing keep working.
-function toggleFacetValue(param: string, value: string): void {
-  const filterForm = document.getElementById(
-    "filter-form",
-  ) as HTMLFormElement | null;
-  if (!filterForm) return;
-  let input = filterForm.querySelector(
-    `[name="${param}"]`,
-  ) as HTMLInputElement | null;
-  if (!input) {
-    const hidden = document.createElement("input");
-    hidden.type = "hidden";
-    hidden.name = param;
-    filterForm.appendChild(hidden);
-    input = hidden;
-  }
-  const values = splitFacetValues(input.value);
-  const idx = values.indexOf(value);
-  if (idx >= 0) {
-    values.splice(idx, 1);
-  } else {
-    values.push(value);
-  }
-  input.value = values.join(",");
-  window.htmx.trigger(filterForm, "submit");
-}
-
 function initBookshelf(): void {
   const filterForm = document.getElementById(
     "filter-form",
@@ -737,31 +668,8 @@ function initBookshelf(): void {
   // filters, so one bubbled htmx:afterRequest hook is the sync point.
   filterForm.addEventListener("htmx:afterRequest", () => {
     refreshFilterChips();
-    // Facet counts must track the applied filters: refetch the panel
-    // while the drawer is open (the panel's own htmx.ajax requests
-    // dispatch on body, so this form-scoped hook never loops).
-    const bookshelfElem = document.querySelector(
-      '[x-data*="bookshelf"]',
-    ) as any;
-    const data = bookshelfElem?._x_dataStack?.[0];
-    if (data?.filtersOpen) {
-      void loadFacetPanel();
-    }
   });
 
-  // Panel value clicks: one delegated listener for every section's
-  // buttons (the partial re-renders on each refetch).
-  const facetPanel = document.getElementById("facet-panel");
-  if (facetPanel) {
-    facetPanel.addEventListener("click", (ev) => {
-      const btn = (ev.target as HTMLElement).closest<HTMLElement>(
-        ".facet-value-btn",
-      );
-      if (!btn || !btn.dataset.param || !btn.dataset.value) return;
-      toggleFacetValue(btn.dataset.param, btn.dataset.value);
-    });
-  }
-
   // A2c §5.3: deep-linkable filters — /bookshelf?author_filter=Sapkowski
   // pre-fills the form and applies it to the first grid load. Author
   // links on the detail page (and anything else) can share filtered

web/src/toast.ts

@@ -176,6 +176,18 @@ const setupHTMXListeners = (): void => {
   });
 };
 
+// Suggestion fetches — field-value autocomplete (author=, genre=, …)
+// on the search endpoint — are background hints for typed inputs. A
+// failed hint must never interrupt the user with a toast: it logs to
+// the console only. The grid's real search (q=/sort= params) is NOT a
+// suggestion fetch and keeps its toasts.
+const suggestionFieldRe = /[?&](author|genre|tags|narrator|series|language)=/;
+function isSuggestionFetch(input: Parameters<typeof fetch>[0]): boolean {
+  const url = typeof input === "string" ? input : input instanceof URL ? input.href : input.url;
+  if (!url.includes("/api/media-items/search?")) return false;
+  return suggestionFieldRe.test(url) && !/[?&](q|sort)=/.test(url);
+}
+
 // Setup fetch interceptor
 const setupFetchInterceptor = (): void => {
   const originalFetch = window.fetch;
@@ -209,17 +221,28 @@ const setupFetchInterceptor = (): void => {
         return response;
       }
 
-      // Handle other errors
+      // Handle other errors. Suggestion fetches are exempt (console
+      // only) — a failed background hint never interrupts.
       if (!response.ok) {
         const errorMessage = await parseFetchError(response);
-        showToast(errorMessage, "error");
+        if (isSuggestionFetch(args[0])) {
+          console.warn(
+            `Suggestion fetch failed (${response.status}): ${errorMessage}`,
+          );
+        } else {
+          showToast(errorMessage, "error");
+        }
       }
 
       return response;
     } catch (error) {
       // Don't show toast for redirect errors
       if ((error as Error).message !== "Session expired") {
-        showToast("Network error: Unable to connect to server", "error");
+        if (isSuggestionFetch(args[0])) {
+          console.warn("Suggestion fetch failed: network error", error);
+        } else {
+          showToast("Network error: Unable to connect to server", "error");
+        }
       }
       throw error;
     }

web/static/input.css

@@ -874,41 +874,6 @@
     color: var(--text-secondary);
   }
 
-  /* ---------- Facet panel (filter drawer, Phase 7) ---------- */
-  /* The values are templ-rendered (templates/facet_panel.templ); this
-     is look only. A value button is plain until active: active means
-     "currently in that facet's filter" — accent-tinted like a chip. */
-  .facet-section-summary {
-    list-style: none;
-  }
-  .facet-section-summary::-webkit-details-marker {
-    display: none;
-  }
-  .facet-section-summary::before {
-    content: "▸";
-    display: inline-block;
-    margin-right: 0.5rem;
-    color: var(--text-secondary);
-    transition: transform 0.15s ease;
-    font-size: 0.7rem;
-  }
-  .facet-section[open] .facet-section-summary::before {
-    transform: rotate(90deg);
-  }
-  .facet-value-btn {
-    background-color: transparent;
-  }
-  .facet-value-btn:hover {
-    background-color: var(--surface-hover);
-  }
-  .facet-value-btn.facet-value-active {
-    background-color: var(--accent-muted);
-    color: var(--accent);
-  }
-  .facet-value-btn.facet-value-active span {
-    color: var(--accent);
-  }
-
   .loading-spinner {
     display: inline-block;
     width: 40px;

web/static/style.css

@@ -1,2 +1,2 @@
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+/*! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,Noto Sans SC,Noto Sans TC,Noto Sans JP,Noto Sans KR,PingFang SC,Microsoft YaHei,Hiragino Sans,Apple SD Gothic Neo,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier 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