v3: added site-wide categories, added admin category management, various visual fixes

api/model/db.ts

@@ -1,6 +1,7 @@
 import { randomBytes, scryptSync } from "node:crypto";
 import { DatabaseSync, type SQLOutputValue } from "node:sqlite";
 import {
+  type Category,
   type Comment,
   Dump,
   isRole,
@@ -352,6 +353,40 @@ export function playlistRowToApi(row: PlaylistRow): Playlist {
   };
 }
 
+// ── Categories ────────────────────────────────────────────────────────────────
+
+export interface CategoryRow {
+  id: string;
+  slug: string;
+  name: string;
+  position: number;
+  created_at: string;
+  updated_at: string | null;
+  [key: string]: SQLOutputValue;
+}
+
+export function isCategoryRow(obj: unknown): obj is CategoryRow {
+  return !!obj && typeof obj === "object" &&
+    "id" in obj && typeof obj.id === "string" &&
+    "slug" in obj && typeof obj.slug === "string" &&
+    "name" in obj && typeof obj.name === "string" &&
+    "position" in obj && typeof obj.position === "number" &&
+    "created_at" in obj && typeof obj.created_at === "string" &&
+    "updated_at" in obj &&
+    (typeof obj.updated_at === "string" || obj.updated_at === null);
+}
+
+export function categoryRowToApi(row: CategoryRow): Category {
+  return {
+    id: row.id,
+    slug: row.slug,
+    name: row.name,
+    position: row.position,
+    createdAt: new Date(row.created_at),
+    updatedAt: row.updated_at ? new Date(row.updated_at) : undefined,
+  };
+}
+
 export interface FollowRow {
   id: string;
   follower_id: string;