frontend/src/App.tsx

@@ -230,7 +230,8 @@ export default function App() {
             Filters{activeCount ? ` (${activeCount})` : ''}
           </Button>
           <ActiveFilterChips
-            options={options}
+            categories={options?.categories ?? []}
+            tags={options?.tags ?? []}
             filters={filters}
             onChange={applyFilters}
             onClear={clearFilters}
@@ -280,11 +281,14 @@ export default function App() {
       <FilterDrawer
         open={drawerOpen}
         onClose={() => setDrawerOpen(false)}
-        options={options}
+        categories={options?.categories ?? []}
+        tags={options?.tags ?? []}
+        priceRange={options?.priceRange ?? null}
         filters={filters}
         onChange={applyFilters}
         onClear={clearFilters}
         resultCount={items.length}
+        showFavorites
       />
 
       {/* The same prompt the heart button and Add to Cart use. Signing in

frontend/src/admin/Admin.tsx

@@ -275,6 +275,7 @@ function Inventory() {
         filters={filters}
         onChange={applyFilters}
         onClear={clearFilters}
+        resultCount={items.length}
       />
 
       <Table rowKey="id" dataSource={items} columns={columns} scroll={{ x: true }} />

frontend/src/admin/InventoryFilters.tsx

@@ -1,40 +1,10 @@
-import { useMemo } from 'react';
-import TreeSelect from 'antd/es/tree-select';
-import Select from 'antd/es/select';
-import InputNumber from 'antd/es/input-number';
+import { useState } from 'react';
 import Button from 'antd/es/button';
+import { FilterOutlined } from '@ant-design/icons';
 import type { Category, Tag } from '../api';
-import {
-  ItemFilters,
-  ItemStatus,
-  buildCategoryTree,
-  CategoryNode,
-  hasActiveFilters
-} from '../filters';
-
-// Named individually rather than grouped, because grouping is what the preset
-// this replaces did. Pending is listed first: "what is waiting to be published"
-// is the question that prompted #132.
-const STATUS_OPTIONS: { value: ItemStatus; label: string }[] = [
-  { value: 'pending', label: 'Pending' },
-  { value: 'available', label: 'Available' },
-  { value: 'reserved', label: 'Reserved' },
-  { value: 'sold', label: 'Sold' }
-];
-
-interface CategoryTreeOption {
-  value: number;
-  title: string;
-  children?: CategoryTreeOption[];
-}
-
-function toTreeData(nodes: CategoryNode[]): CategoryTreeOption[] {
-  return nodes.map((node) => ({
-    value: node.id,
-    title: node.name,
-    children: node.children.length ? toTreeData(node.children) : undefined
-  }));
-}
+import { ItemFilters, activeFilterCount } from '../filters';
+import FilterDrawer from '../components/FilterDrawer';
+import ActiveFilterChips from '../components/ActiveFilterChips';
 
 type Props = Readonly<{
   categories: Category[];
@@ -42,103 +12,67 @@ type Props = Readonly<{
   filters: ItemFilters;
   onChange: (filters: ItemFilters) => void;
   onClear: () => void;
+  resultCount: number;
 }>;
 
-const centsToDollars = (cents: number | null): number | null => (cents === null ? null : cents / 100);
-const dollarsToCents = (dollars: number | null): number | null =>
-  dollars === null || Number.isNaN(dollars) ? null : Math.round(dollars * 100);
+// The same flyout the storefront uses, rather than the row of controls this
+// used to be (#169).
+//
+// That row was deliberate — it carried a comment arguing that hiding the
+// controls above a data table costs more than the space it saves, and that a
+// drawer overlays the very rows being filtered. Both are true, and both are
+// traded for the two screens asking the same questions through the same UI.
+// The chips are what makes the trade bearable: the active filter stays readable
+// beside the button without opening anything, which is what the always-visible
+// row was really protecting.
+export default function InventoryFilters({
+  categories,
+  tags,
+  filters,
+  onChange,
+  onClear,
+  resultCount
+}: Props) {
+  const [drawerOpen, setDrawerOpen] = useState(false);
 
-// An always-visible row rather than the storefront's drawer: this sits above a
-// data table, where hiding the controls behind a click costs more than the
-// space it saves, and a drawer would overlay the very rows being filtered.
-export default function InventoryFilters({ categories, tags, filters, onChange, onClear }: Props) {
-  const treeData = useMemo(() => toTreeData(buildCategoryTree(categories)), [categories]);
+  // Status lives in the drawer here, unlike on the storefront, so it belongs in
+  // the button's tally — activeFilterCount leaves it out precisely because the
+  // storefront filters status outside the drawer.
+  const activeCount = activeFilterCount(filters) + (filters.status === null ? 0 : 1);
 
   return (
     <div className="inventory-filters">
-      <TreeSelect
-        allowClear
-        showSearch
-        treeNodeFilterProp="title"
-        listHeight={256}
-        placeholder="Any category"
-        aria-label="Filter by category"
-        style={{ minWidth: 200 }}
-        treeData={treeData}
-        // The filter shape went multi-valued for the storefront (#139). This
-        // control stays single-select — the admin asks "what is in this
-        // category", not "in any of these" — so it reads and writes a list of
-        // at most one rather than growing a second shape.
-        value={filters.categoryIds[0] ?? undefined}
-        // Annotated nullable because allowClear hands back undefined, which
-        // the control's own onChange type does not admit.
-        onChange={(value: number | undefined) =>
-          onChange({ ...filters, categoryIds: value === undefined ? [] : [value] })
-        }
+      <Button
+        icon={<FilterOutlined />}
+        onClick={() => setDrawerOpen(true)}
+        type={activeCount ? 'primary' : 'default'}
+      >
+        Filters{activeCount ? ` (${activeCount})` : ''}
+      </Button>
+
+      <ActiveFilterChips
+        categories={categories}
+        tags={tags}
+        filters={filters}
+        onChange={onChange}
+        onClear={onClear}
+        showStatus
       />
 
-      <Select
-        allowClear
-        mode="multiple"
-        placeholder="Any tags"
-        aria-label="Filter by tags"
-        style={{ minWidth: 200 }}
-        value={filters.tagIds}
-        onChange={(value: number[]) => onChange({ ...filters, tagIds: value })}
-        options={tags.map((tag) => ({ value: tag.id, label: tag.name }))}
+      <FilterDrawer
+        open={drawerOpen}
+        onClose={() => setDrawerOpen(false)}
+        categories={categories}
+        tags={tags}
+        // No slider: the admin has no catalogue-wide price range to bound one
+        // with, and inventing bounds would misreport where the prices are.
+        priceRange={null}
+        filters={filters}
+        onChange={onChange}
+        onClear={onClear}
+        resultCount={resultCount}
+        showStatus
       />
-
-      <InputNumber
-        aria-label="Minimum price"
-        prefix="$"
-        min={0}
-        placeholder="Min"
-        style={{ width: 110 }}
-        value={centsToDollars(filters.minPriceCents)}
-        onChange={(value) => onChange({ ...filters, minPriceCents: dollarsToCents(value) })}
-      />
-      <span style={{ opacity: 0.6 }}>to</span>
-      <InputNumber
-        aria-label="Maximum price"
-        prefix="$"
-        min={0}
-        placeholder="Max"
-        style={{ width: 110 }}
-        value={centsToDollars(filters.maxPriceCents)}
-        onChange={(value) => onChange({ ...filters, maxPriceCents: dollarsToCents(value) })}
-      />
-
-      {/* The status dimension itself rather than presets over it, which #105's
-          Sold / Not sold / All control was. Presets could not express Published
-          or Unpublished, could not isolate Reserved, and would have grown a new
-          button for every new question. Selecting statuses answers all of them:
-          Unpublished is Pending, Published is the other three, and Not sold is
-          everything except Sold.
-
-          A second control for publication would have read more naturally and
-          reintroduced what #105 avoided — Sold and Unpublished is an impossible
-          pair, since a sold item is necessarily published. One dimension cannot
-          contradict itself. See #132.
-
-          The storefront keeps the three-way preset: pending is excluded from
-          every public read, so Published and Unpublished are not distinctions a
-          customer can draw. */}
-      <Select
-        allowClear
-        mode="multiple"
-        placeholder="Any status"
-        aria-label="Filter by status"
-        style={{ minWidth: 220 }}
-        value={filters.status ?? []}
-        onChange={(value: ItemStatus[]) =>
-          // Empty means no filter, not "no statuses". A multi-select cleared
-          // back to nothing should show everything rather than an empty table.
-          onChange({ ...filters, status: value.length ? value : null })
-        }
-        options={STATUS_OPTIONS}
-      />
-
-      {hasActiveFilters(filters) && <Button onClick={onClear}>Clear filters</Button>}
     </div>
   );
 }

frontend/src/components/ActiveFilterChips.tsx

@@ -1,21 +1,30 @@
 import Tag from 'antd/es/tag';
 import Button from 'antd/es/button';
-import type { FilterOptions } from '../api';
-import { ItemFilters, categoryPath, formatPriceRange, hasActiveFilters } from '../filters';
+import type { Category, Tag as ItemTag } from '../api';
+import { ItemFilters, categoryPath, formatPriceRange, hasActiveFilters, statusLabel } from '../filters';
 
 type Props = Readonly<{
-  options: FilterOptions | null;
+  categories: Category[];
+  tags: ItemTag[];
   filters: ItemFilters;
   onChange: (filters: ItemFilters) => void;
   onClear: () => void;
+  // Where status is one of the drawer's controls rather than a preset beside
+  // it (#169), it needs a chip too — otherwise the one filter most likely to
+  // empty a table is the one filter invisible without opening the drawer.
+  showStatus?: boolean;
 }>;
 
-export default function ActiveFilterChips({ options, filters, onChange, onClear }: Props) {
+export default function ActiveFilterChips({
+  categories,
+  tags,
+  filters,
+  onChange,
+  onClear,
+  showStatus = false
+}: Props) {
   if (!hasActiveFilters(filters)) return null;
 
-  const categories = options?.categories ?? [];
-  const tags = options?.tags ?? [];
-
   const chips: { key: string; label: string; onRemove: () => void }[] = [];
 
   // Listed first so it matches the drawer's ordering, and because it is the
@@ -54,6 +63,21 @@ export default function ActiveFilterChips({ options, filters, onChange, onClear
     });
   }
 
+  if (showStatus && filters.status !== null) {
+    for (const status of filters.status) {
+      chips.push({
+        key: `status-${status}`,
+        label: statusLabel(status),
+        onRemove: () => {
+          const rest = (filters.status ?? []).filter((value) => value !== status);
+          // Back to null rather than an empty list: emptying the control means
+          // "no status filter", not "no statuses", which would empty the table.
+          onChange({ ...filters, status: rest.length ? rest : null });
+        }
+      });
+    }
+  }
+
   if (filters.minPriceCents !== null || filters.maxPriceCents !== null) {
     chips.push({
       key: 'price',

frontend/src/components/FilterDrawer.tsx

@@ -8,17 +8,33 @@ import InputNumber from 'antd/es/input-number';
 import Empty from 'antd/es/empty';
 import Switch from 'antd/es/switch';
 import Grid from 'antd/es/grid';
-import type { FilterOptions } from '../api';
-import { ItemFilters, buildCategoryTree, CategoryNode } from '../filters';
+import type { Category, Tag as ItemTag } from '../api';
+import { ItemFilters, ItemStatus, STATUS_OPTIONS, buildCategoryTree, CategoryNode } from '../filters';
 
+// One drawer for the storefront and the admin, with the sections that differ
+// driven by props rather than by a second component that would drift (#169).
+// What is shared is not just the markup but the phrasing of the rules — that
+// categories are OR and tags are AND has to read the same on both screens or it
+// stops being one rule.
 type Props = Readonly<{
   open: boolean;
   onClose: () => void;
-  options: FilterOptions | null;
+  categories: Category[];
+  tags: ItemTag[];
+  // Bounds for the price slider, or null on a screen with no catalogue-wide
+  // range to draw one from, where the two number inputs stand alone. A slider
+  // needs real bounds: invented ones would misreport where the prices are.
+  priceRange: { min_cents: number; max_cents: number } | null;
   filters: ItemFilters;
   onChange: (filters: ItemFilters) => void;
   onClear: () => void;
   resultCount: number;
+  // Storefront only — signing in is what makes favorites mean anything.
+  showFavorites?: boolean;
+  // Admin only. The storefront keeps its three-way preset outside the drawer:
+  // pending is excluded from every public read, so Published and Unpublished
+  // are not distinctions a customer can draw.
+  showStatus?: boolean;
 }>;
 
 // `value` rather than `key`: this fed an antd `Tree`, which identifies nodes by
@@ -38,6 +54,14 @@ function toTreeData(nodes: CategoryNode[]): CategoryTreeOption[] {
   }));
 }
 
+const sectionHeading: React.CSSProperties = {
+  margin: '0 0 8px',
+  fontSize: 12,
+  letterSpacing: '.06em',
+  textTransform: 'uppercase',
+  opacity: 0.65
+};
+
 const centsToDollars = (cents: number | null): number | null => (cents === null ? null : cents / 100);
 const dollarsToCents = (dollars: number | null): number | null =>
   dollars === null || Number.isNaN(dollars) ? null : Math.round(dollars * 100);
@@ -45,16 +69,18 @@ const dollarsToCents = (dollars: number | null): number | null =>
 export default function FilterDrawer({
   open,
   onClose,
-  options,
+  categories,
+  tags,
+  priceRange,
   filters,
   onChange,
   onClear,
-  resultCount
+  resultCount,
+  showFavorites = false,
+  showStatus = false
 }: Props) {
   const screens = Grid.useBreakpoint();
-  const categories = options?.categories ?? [];
-  const tags = options?.tags ?? [];
-  const bounds = options?.priceRange ?? { min_cents: 0, max_cents: 0 };
+  const bounds = priceRange ?? { min_cents: 0, max_cents: 0 };
 
   function selectCategories(ids: number[]) {
     onChange({ ...filters, categoryIds: ids });
@@ -89,8 +115,9 @@ export default function FilterDrawer({
           here for their favorites should not have to scroll past the catalogue
           controls to find it. Shown to signed-out visitors too: switching it on
           prompts them to sign in, which is how they learn favorites exist. */}
+      {showFavorites && (
       <section style={{ marginBottom: 28 }}>
-        <h4 style={{ margin: '0 0 8px', fontSize: 12, letterSpacing: '.06em', textTransform: 'uppercase', opacity: 0.65 }}>
+        <h4 style={sectionHeading}>
           Favorites
         </h4>
         {/* Deliberately not wrapped in a <label>: antd renders the switch as a
@@ -106,9 +133,10 @@ export default function FilterDrawer({
           <span>Only my favorites</span>
         </div>
       </section>
+      )}
 
       <section style={{ marginBottom: 28 }}>
-        <h4 style={{ margin: '0 0 8px', fontSize: 12, letterSpacing: '.06em', textTransform: 'uppercase', opacity: 0.65 }}>
+        <h4 style={sectionHeading}>
           Categories — any of these
         </h4>
         {categories.length ? (
@@ -137,7 +165,7 @@ export default function FilterDrawer({
       </section>
 
       <section style={{ marginBottom: 28 }}>
-        <h4 style={{ margin: '0 0 8px', fontSize: 12, letterSpacing: '.06em', textTransform: 'uppercase', opacity: 0.65 }}>
+        <h4 style={sectionHeading}>
           Tags — must have all of these
         </h4>
         {tags.length ? (
@@ -181,10 +209,11 @@ export default function FilterDrawer({
         )}
       </section>
 
-      <section>
-        <h4 style={{ margin: '0 0 8px', fontSize: 12, letterSpacing: '.06em', textTransform: 'uppercase', opacity: 0.65 }}>
+      <section style={showStatus ? { marginBottom: 28 } : undefined}>
+        <h4 style={sectionHeading}>
           Price
         </h4>
+        {priceRange && (
         <Slider
           range
           min={bounds.min_cents}
@@ -204,6 +233,7 @@ export default function FilterDrawer({
             })
           }
         />
+        )}
         <div style={{ display: 'flex', alignItems: 'center', gap: 8, marginTop: 8 }}>
           <InputNumber
             aria-label="Minimum price"
@@ -224,6 +254,41 @@ export default function FilterDrawer({
           />
         </div>
       </section>
+
+      {showStatus && (
+        <section>
+          <h4 style={sectionHeading}>
+            Status — any of these
+          </h4>
+          {/* The status dimension itself rather than presets over it, which
+              #105's Sold / Not sold / All control was. Presets could not express
+              Published or Unpublished, could not isolate Reserved, and would
+              have grown a new button for every new question. Selecting statuses
+              answers all of them: Unpublished is Pending, Published is the other
+              three, and Not sold is everything except Sold.
+
+              A second control for publication would have read more naturally and
+              reintroduced what #105 avoided — Sold and Unpublished is an
+              impossible pair, since a sold item is necessarily published. One
+              dimension cannot contradict itself. See #132. */}
+          <Select
+            allowClear
+            mode="multiple"
+            showSearch
+            optionFilterProp="label"
+            placeholder="Any status"
+            aria-label="Filter by status"
+            style={{ width: '100%' }}
+            value={filters.status ?? []}
+            onChange={(value: ItemStatus[]) =>
+              // Empty means no filter, not "no statuses". A multi-select cleared
+              // back to nothing should show everything rather than an empty table.
+              onChange({ ...filters, status: value.length ? value : null })
+            }
+            options={STATUS_OPTIONS}
+          />
+        </section>
+      )}
     </Drawer>
   );
 }

frontend/src/filters.ts

@@ -157,6 +157,24 @@ export function filtersFromSearchParams(params: URLSearchParams): ItemFilters {
 // beside this button rather than living in the drawer, so counting it would put
 // a number on a button whose drawer shows nothing set — and the control already
 // displays its own position.
+// Named individually rather than grouped, because grouping is what the preset
+// this replaced did. Pending is listed first: "what is waiting to be published"
+// is the question that prompted #132.
+//
+// Here rather than in the admin screen because the drawer and the active-filter
+// chips both need to turn a status into a label, and a second copy of this list
+// is a second place for a new status to be forgotten.
+export const STATUS_OPTIONS: { value: ItemStatus; label: string }[] = [
+  { value: 'pending', label: 'Pending' },
+  { value: 'available', label: 'Available' },
+  { value: 'reserved', label: 'Reserved' },
+  { value: 'sold', label: 'Sold' }
+];
+
+export function statusLabel(status: ItemStatus): string {
+  return STATUS_OPTIONS.find((option) => option.value === status)?.label ?? status;
+}
+
 export function activeFilterCount(filters: ItemFilters): number {
   let count = 0;
   count += filters.categoryIds.length;

frontend/tests/e2e/admin-inventory-filters.spec.ts

@@ -43,8 +43,7 @@ test.describe('Admin inventory filters', () => {
     await admin.goto();
     await adminInventory.filterByCategory(NAMES.category, NAMES.cheap);
 
-    await adminInventory.minimumPrice.fill('100');
-    await adminInventory.maximumPrice.fill('500');
+    await adminInventory.setPriceRange('100', '500');
 
     await expect(adminInventory.row(NAMES.mid)).toBeVisible();
     await expect(adminInventory.row(NAMES.cheap)).toHaveCount(0);
@@ -111,16 +110,20 @@ test.describe('Admin inventory filters', () => {
   test('combines filters, and clearing restores them', async ({ admin, adminInventory }) => {
     await admin.goto();
     await adminInventory.filterByCategory(NAMES.category, NAMES.cheap);
-    await adminInventory.minimumPrice.fill('800');
+    await adminInventory.setPriceRange('800');
     await expect(adminInventory.row(NAMES.cheap)).toHaveCount(0);
     await expect(adminInventory.row(NAMES.dear)).toBeVisible();
 
-    await adminInventory.clearFiltersButton.click();
+    await adminInventory.clearFilters();
 
     // Asserting on the controls rather than on the rows: with the filters gone
     // the table is the whole paginated catalogue again, so a given fixture is
     // not reliably on the first page.
+    //
+    // The chip row renders only while something is filtered, and the button's
+    // tally is the other half of the same claim — nothing is filtered, and the
+    // screen says so without the drawer being opened to check.
     await expect(adminInventory.clearFiltersButton).toHaveCount(0);
-    await expect(adminInventory.minimumPrice).toHaveValue('');
+    await expect(adminInventory.filtersButton).toHaveText('Filters');
   });
 });

frontend/tests/e2e/pages/AdminInventory.ts

@@ -81,6 +81,31 @@ export class AdminInventory {
   }
 
   // ---- The inventory filter bar ----
+  //
+  // The controls moved into the storefront's flyout (#169), so each method here
+  // opens the drawer, acts, and closes it again. Closing matters: the drawer
+  // overlays the table, and every assertion in these specs is about rows.
+
+  get filtersButton(): Locator {
+    return this.page.getByRole('button', { name: 'Filters' });
+  }
+
+  get filterDrawer(): Locator {
+    return this.page.getByRole('dialog', { name: 'Filters' });
+  }
+
+  /**
+   * The chip row's own "Clear all", scoped to the group so it stays distinct
+   * from the identically-labelled button in the drawer's footer.
+   *
+   * It exists only while something is filtered, which is what lets a spec assert
+   * that clearing worked by its absence.
+   */
+  get clearFiltersButton(): Locator {
+    return this.page
+      .getByRole('group', { name: 'Active filters' })
+      .getByRole('button', { name: 'Clear all' });
+  }
 
   get categoryFilter(): Locator {
     return this.page.getByRole('combobox', { name: 'Filter by category' });
@@ -98,30 +123,37 @@ export class AdminInventory {
     return this.page.getByLabel('Maximum price');
   }
 
-  get clearFiltersButton(): Locator {
-    return this.page.getByRole('button', { name: 'Clear filters' });
+  /** Opens the flyout, or leaves it open if it already is. */
+  async openFilters(): Promise<void> {
+    if (await this.filterDrawer.isVisible().catch(() => false)) return;
+    await this.filtersButton.click();
+    await expect(this.filterDrawer).toBeVisible();
+  }
+
+  /** Closes it through the footer button, which is what a person would click. */
+  async closeFilters(): Promise<void> {
+    await this.filterDrawer.getByRole('button', { name: /^Show / }).click();
+    await expect(this.filterDrawer).toBeHidden();
   }
 
   /**
    * Toggles one status in the multi-select. Clicking a selected option removes
    * it, which is what the clearing test relies on.
    *
-   * Two antd details decide this locator. It renders an invisible role="listbox"
-   * shim beside the real list for accessibility, so getByRole('option') finds
-   * something zero-sized that cannot be clicked. And once a status is selected
-   * it also renders as a tag carrying the same title as the option, so an
-   * unscoped getByTitle becomes ambiguous. Matching the visible option class
-   * avoids both.
-   *
-   * The dropdown is opened only when it is not already open: antd keeps it open
-   * after a selection in multiple mode, so clicking the box again would close it.
+   * The option is matched by class rather than by role because antd renders an
+   * invisible role="listbox" shim beside the real list for accessibility, so
+   * getByRole('option') finds something zero-sized that cannot be clicked; and
+   * once a status is selected it also renders as a tag carrying the same title,
+   * so an unscoped getByTitle becomes ambiguous.
    */
   async toggleStatus(label: string): Promise<void> {
+    await this.openFilters();
     const option = this.page.locator(`.ant-select-item-option[title="${label}"]`);
     if (!(await option.isVisible().catch(() => false))) {
       await this.statusFilter.click();
     }
     await option.click();
+    await this.closeFilters();
   }
 
   /**
@@ -131,14 +163,32 @@ export class AdminInventory {
    * unfiltered page 1 is not a reliable place to look for a fixture. Waiting for
    * a known row is the action's contract — the filter has been applied when the
    * table has re-rendered under it.
+   *
+   * Typing the name before clicking it is not for realism: the tree is
+   * virtualized, so against a database holding hundreds of categories the wanted
+   * row is never rendered until a search narrows to it.
    */
   async filterByCategory(categoryName: string, expectedRow: string): Promise<void> {
+    await this.openFilters();
     await this.categoryFilter.click();
     await this.categoryFilter.fill(categoryName);
-    await this.page.getByTitle(categoryName, { exact: true }).click();
+    await this.page.getByRole('treeitem', { name: categoryName }).click();
+    await this.closeFilters();
     await expect(this.row(expectedRow)).toBeVisible();
   }
 
+  /** Sets either end of the price range, leaving an omitted end untouched. */
+  async setPriceRange(minimum?: string, maximum?: string): Promise<void> {
+    await this.openFilters();
+    if (minimum !== undefined) await this.minimumPrice.fill(minimum);
+    if (maximum !== undefined) await this.maximumPrice.fill(maximum);
+    await this.closeFilters();
+  }
+
+  async clearFilters(): Promise<void> {
+    await this.clearFiltersButton.click();
+  }
+
   async openItemForm(): Promise<void> {
     await this.addItemButton.click();
   }