feat(tags): add tag management interfaces and update related schemas

frontend/src/components/tags/TagForm.tsx

@@ -5,15 +5,15 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Textarea } from "@/components/ui/textarea";
 
-export type TaskTagFormValues = {
+export type TagFormValues = {
   name: string;
   slug: string;
   color: string;
   description: string;
 };
 
-type TaskTagFormProps = {
-  initialValues?: TaskTagFormValues;
+type TagFormProps = {
+  initialValues?: TagFormValues;
   onSubmit: (values: {
     name: string;
     slug: string;
@@ -26,7 +26,7 @@ type TaskTagFormProps = {
   isSubmitting: boolean;
 };
 
-const DEFAULT_VALUES: TaskTagFormValues = {
+const DEFAULT_VALUES: TagFormValues = {
   name: "",
   slug: "",
   color: "9e9e9e",
@@ -51,14 +51,14 @@ const extractErrorMessage = (error: unknown, fallback: string) => {
   return fallback;
 };
 
-export function TaskTagForm({
+export function TagForm({
   initialValues,
   onSubmit,
   onCancel,
   submitLabel,
   submittingLabel,
   isSubmitting,
-}: TaskTagFormProps) {
+}: TagFormProps) {
   const resolvedInitial = initialValues ?? DEFAULT_VALUES;
   const [name, setName] = useState(() => resolvedInitial.name);
   const [slug, setSlug] = useState(() => resolvedInitial.slug);

frontend/src/components/tags/TagsTable.tsx

@@ -10,21 +10,21 @@ import {
   useReactTable,
 } from "@tanstack/react-table";
 
-import { type TaskTagRead } from "@/api/generated/model";
+import { type TagRead } from "@/api/generated/model";
 import {
   DataTable,
   type DataTableEmptyState,
 } from "@/components/tables/DataTable";
 import { dateCell } from "@/components/tables/cell-formatters";
 
-type TaskTagsTableProps = {
-  tags: TaskTagRead[];
+type TagsTableProps = {
+  tags: TagRead[];
   isLoading?: boolean;
   sorting?: SortingState;
   onSortingChange?: OnChangeFn<SortingState>;
   stickyHeader?: boolean;
-  onEdit?: (tag: TaskTagRead) => void;
-  onDelete?: (tag: TaskTagRead) => void;
+  onEdit?: (tag: TagRead) => void;
+  onDelete?: (tag: TagRead) => void;
   emptyState?: Omit<DataTableEmptyState, "icon"> & {
     icon?: DataTableEmptyState["icon"];
   };
@@ -52,7 +52,7 @@ const normalizeColor = (value?: string | null) => {
   return cleaned;
 };
 
-export function TaskTagsTable({
+export function TagsTable({
   tags,
   isLoading = false,
   sorting,
@@ -61,7 +61,7 @@ export function TaskTagsTable({
   onEdit,
   onDelete,
   emptyState,
-}: TaskTagsTableProps) {
+}: TagsTableProps) {
   const [internalSorting, setInternalSorting] = useState<SortingState>([
     { id: "name", desc: false },
   ]);
@@ -72,7 +72,7 @@ export function TaskTagsTable({
       setInternalSorting(updater);
     });
 
-  const columns = useMemo<ColumnDef<TaskTagRead>[]>(
+  const columns = useMemo<ColumnDef<TagRead>[]>(
     () => [
       {
         accessorKey: "name",