feat: add telegram-style resource stream

src/types/post.ts

@@ -0,0 +1,34 @@
+export type AttachmentKind = "image" | "video" | "document";
+
+export type Attachment = {
+  id: string;
+  kind: AttachmentKind;
+  url: string;
+  mime: string;
+  filename: string;
+  sizeBytes: number;
+  width?: number;
+  height?: number;
+  durationSec?: number;
+  posterUrl?: string;
+  thumbnailUrl?: string;
+};
+
+export type Post = {
+  id: string;
+  categoryId: number;
+  categorySlug: string;
+  language: string;
+  text?: string;
+  attachments: Attachment[];
+  isRecommended: boolean;
+  publishedAt: string;
+  updatedAt: string;
+};
+
+export type PostListResponse = {
+  items: Post[];
+  nextCursor?: string;
+};
+
+export type PostScope = { kind: "all" } | { kind: "category"; slug: string };