feat(backend,frontend,mcp): saved messages take text, files, voices and archived messages, the one write to telegram

frontend/src/lib/api/client.ts

@@ -95,6 +95,18 @@ export async function request<T>(
   return response.json() as Promise<T>;
 }
 
+export async function requestForm<T>(path: string, form: FormData): Promise<T> {
+  const response = await fetch(`${BASE}${path}`, {
+    body: form,
+    headers: authHeaders(),
+    method: "POST",
+  });
+  if (!response.ok) {
+    return handleError(response);
+  }
+  return response.json() as Promise<T>;
+}
+
 function streamUrl(path: string): string {
   const query = auth.token ? `?token=${encodeURIComponent(auth.token)}` : "";
   return `${BASE}${path}${query}`;

frontend/src/lib/api/endpoints.ts

@@ -1,4 +1,4 @@
-import { request } from "#lib/api/client.js";
+import { request, requestForm } from "#lib/api/client.js";
 import type {
   Account,
   Annotation,
@@ -597,6 +597,47 @@ export function transcribeMedia(
   });
 }
 
+export interface SavedResult {
+  chat_id: number | null;
+  error: string | null;
+  message_id: number | null;
+  mode: "copied" | "forwarded" | "sent" | null;
+  status: "done" | "failed" | "pending";
+}
+
+export interface SavedDraft {
+  file?: File;
+  text?: string;
+  voice?: boolean;
+}
+
+export function sendToSaved(draft: SavedDraft): Promise<SavedResult> {
+  const form = new FormData();
+  form.set("account_id", String(accounts.selectedId));
+  if (draft.text) {
+    form.set("text", draft.text);
+  }
+  if (draft.file) {
+    form.set("file", draft.file);
+    form.set("voice", String(Boolean(draft.voice)));
+  }
+  return requestForm<SavedResult>("/saved", form);
+}
+
+export function forwardToSaved(
+  chatId: number,
+  messageId: number
+): Promise<SavedResult> {
+  return request<SavedResult>("/saved/forward", {
+    body: {
+      account_id: accounts.selectedId,
+      chat_id: chatId,
+      message_id: messageId,
+    },
+    method: "POST",
+  });
+}
+
 export function listAnnotations(
   options: { chatId?: number; messageId?: number } = {}
 ): Promise<Annotation[]> {