swarm-ui: drop Table's now-unused single-value select filter mode

frontend/packages/swarm-ui/src/ui/table/Table.css

@@ -129,8 +129,7 @@
   border-radius: 6px;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
 }
-.ui-table-filter-input,
-.ui-table-filter-select {
+.ui-table-filter-input {
   width: 100%;
   box-sizing: border-box;
   background: var(--bg);

frontend/packages/swarm-ui/src/ui/table/Table.tsx

@@ -77,22 +77,24 @@ export interface TableColumn<T> {
   /**
    * `"text"` (default): free substring, case-insensitive `<input>` —
    * today's only behavior, unaffected if you don't set this.
-   * `"select"`: a `<select>` populated from the *distinct* `filterValue`
-   * results across the currently-loaded rows (deduped, case-insensitive
-   * sort) plus a leading "any" option, matched by exact equality. Pick
-   * this for a column whose value only ever comes from a small
-   * bounded/closed set (an enum label, a hive name) — typing an exact
-   * substring is friction a picker removes, and a substring query can
-   * accidentally straddle two distinct values. Deriving options from
-   * live rows rather than a hardcoded enum means the list never offers
-   * a choice that would match zero rows. Ignored unless `filterValue`
-   * is also set.
-   * `"multiselect"`: a checkbox list, same live-rows-derived option
-   * source as `"select"` but over `filterValues` and matching on any
-   * overlap rather than one exact value — for a column whose row value
-   * is itself a set (e.g. labels). Ignored unless `filterValues` is set.
+   * `"multiselect"`: a checkbox list, populated from the *distinct*
+   * `filterValues` results across the currently-loaded rows (deduped,
+   * case-insensitive sort), matching on any overlap between the row's
+   * values and the operator's current selection. Pick this for a column
+   * whose value only ever comes from a small bounded/closed set (an enum
+   * label, a hive name) — typing an exact substring is friction a picker
+   * removes, and a substring query can accidentally straddle two
+   * distinct values. Works the same whether a row naturally carries a
+   * *set* of values (e.g. issue labels — pass the real array) or just
+   * one (wrap it in a 1-element array). Deriving options from live rows
+   * rather than a hardcoded enum means the list never offers a choice
+   * that would match zero rows. Ignored unless `filterValues` is set.
+   * There's deliberately no separate single-value `"select"` mode —
+   * multiselect subsumes it (mara: "why have a non multi select? the
+   * user can always just choose 1"), so a single-choice picker never
+   * needs distinct handling from an N-choice one.
    */
-  filterMode?: "text" | "select" | "multiselect";
+  filterMode?: "text" | "multiselect";
 }
 
 // One filter's full state: `value` for `"text"`/`"select"`, `values` for
@@ -290,9 +292,6 @@ export function Table<T>({
           if (col?.filterMode === "multiselect") {
             const rowValues = col.filterValues?.(row) ?? [];
             matches = f.values.some((v) => rowValues.includes(v));
-          } else if (col?.filterMode === "select") {
-            const value = col.filterValue?.(row) ?? "";
-            matches = value === f.value;
           } else {
             const value = col?.filterValue?.(row) ?? "";
             matches = value.toLowerCase().includes(f.value.toLowerCase());
@@ -334,22 +333,13 @@ export function Table<T>({
     return sort.dir === "asc" ? "ascending" : "descending";
   }
 
-  // Distinct values currently present for a `"select"`-mode column, so
-  // the dropdown never offers an option that would match zero rows.
-  // Computed off `rows` (pre-filter) — every column's own option list
-  // stays stable while a sibling column's filter narrows `visibleRows`,
-  // matching how a spreadsheet's column filters don't hide each other's
-  // choices.
-  function selectOptionsFor(c: TableColumn<T>): string[] {
-    if (!c.filterValue) return [];
-    const values = new Set(rows.map(c.filterValue));
-    return Array.from(values).sort((a, b) =>
-      a.localeCompare(b, undefined, { sensitivity: "base", numeric: true }),
-    );
-  }
-
-  // Same reasoning as `selectOptionsFor` above, over `filterValues`
-  // (a row contributes every one of its own values, not just one).
+  // Distinct values currently present for a `"multiselect"`-mode column,
+  // so the checkbox list never offers an option that would match zero
+  // rows. Computed off `rows` (pre-filter) — every column's own option
+  // list stays stable while a sibling column's filter narrows
+  // `visibleRows`, matching how a spreadsheet's column filters don't
+  // hide each other's choices. A row contributes every one of its own
+  // values, not just one.
   function multiselectOptionsFor(c: TableColumn<T>): string[] {
     if (!c.filterValues) return [];
     const values = new Set<string>();
@@ -362,17 +352,10 @@ export function Table<T>({
   // Only one popover is ever open at a time, so one ref (rather than a
   // per-column ref map) is enough to focus whichever control just
   // mounted — typing immediately after the click that opened it,
-  // without a separate click into the field first. A callback ref
-  // (not `useRef`'s object form attached directly to the element)
-  // because the element is one of two different concrete types
-  // depending on `filterMode` — `RefObject<HTMLInputElement |
-  // HTMLSelectElement>` doesn't structurally satisfy either element's
-  // own narrower `ref` prop type, but a plain callback taking the
-  // union does.
-  const popoverControlRef = useRef<HTMLElement | null>(null);
-  function setPopoverControlRef(el: HTMLElement | null) {
-    popoverControlRef.current = el;
-  }
+  // without a separate click into the field first. (The multiselect
+  // checkbox list below doesn't use this — there's no single "the"
+  // control to focus in a list of several.)
+  const popoverControlRef = useRef<HTMLInputElement | null>(null);
   useEffect(() => {
     if (openFilterKey !== null) popoverControlRef.current?.focus();
   }, [openFilterKey]);
@@ -423,34 +406,10 @@ export function Table<T>({
         </>
       );
     }
-    if (c.filterMode === "select") {
-      return (
-        <>
-          <select
-            ref={setPopoverControlRef}
-            class="ui-table-filter-select"
-            aria-label={filterLabel(c)}
-            value={getFilter(c.key).value}
-            onChange={(e) => {
-              const v = (e.target as HTMLSelectElement).value;
-              updateFilter(c.key, { value: v });
-            }}
-          >
-            <option value="">any</option>
-            {selectOptionsFor(c).map((v) => (
-              <option key={v} value={v}>
-                {v}
-              </option>
-            ))}
-          </select>
-          {renderNegateToggle(c)}
-        </>
-      );
-    }
     return (
       <>
         <input
-          ref={setPopoverControlRef}
+          ref={popoverControlRef}
           type="text"
           class="ui-table-filter-input"
           placeholder="filter…"