feat(userbot,api,frontend): file links, media downloads, story hold-pause, drop scheduled dupes

frontend/src/lib/components/profile/SharedMedia.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import { untrack } from "svelte";
   import { goto } from "$app/navigation";
+  import { downloadMedia } from "$lib/api/download";
   import { getChatMedia } from "$lib/api/endpoints";
   import {
     type InlineMedia,
@@ -19,6 +20,8 @@
   import { formatBytes, mediaKindLabel } from "$lib/format/media";
   import { poster } from "$lib/media/poster";
   import { accounts } from "$lib/stores/accounts.svelte";
+  import { shareUi } from "$lib/stores/shares.svelte";
+  import { toasts } from "$lib/stores/toasts.svelte";
   import { ui } from "$lib/stores/ui.svelte";
   import { isMobile } from "$lib/viewport";
 
@@ -46,9 +49,26 @@
       mediaId: item.id,
       kind: item.kind,
       downloaded: item.downloaded,
+      fileName: item.file_name,
     }))
   );
 
+  function displayName(item: MediaView): string {
+    return item.file_name ?? mediaKindLabel(item.kind) ?? "Файл";
+  }
+
+  async function save(item: MediaView) {
+    try {
+      await downloadMedia(item.id);
+    } catch {
+      toasts.error("Не удалось скачать файл");
+    }
+  }
+
+  function share(item: MediaView) {
+    shareUi.share({ kind: "media", mediaId: item.id }, displayName(item));
+  }
+
   async function loadMore() {
     if (loading || done) {
       return;
@@ -113,6 +133,7 @@
           kind: item.kind,
           downloaded: item.downloaded,
           mime: item.mime,
+          file_name: item.file_name,
           file_size: item.file_size,
           ttl_seconds: item.ttl_seconds,
           duration: null,
@@ -197,6 +218,14 @@
           <ContextMenuItem icon="reply" onselect={() => jump(item.message_id)}
             >Перейти к сообщению</ContextMenuItem
           >
+          {#if item.downloaded}
+            <ContextMenuItem icon="download" onselect={() => save(item)}
+              >Скачать файл</ContextMenuItem
+            >
+            <ContextMenuItem icon="allow-share" onselect={() => share(item)}
+              >Доступ по ссылке</ContextMenuItem
+            >
+          {/if}
         {/snippet}
       </ContextMenu>
     {/each}
@@ -215,7 +244,7 @@
             >
               <span class="file-icon"><Icon name="document" /></span>
               <span class="meta">
-                <span class="name">{mediaKindLabel(item.kind)}</span>
+                <span class="name">{displayName(item)}</span>
                 <span class="sub">
                   {formatListDate(item.created_at)}
                   {#if item.file_size}
@@ -232,6 +261,14 @@
             <ContextMenuItem icon="reply" onselect={() => jump(item.message_id)}
               >Перейти к сообщению</ContextMenuItem
             >
+            {#if item.downloaded}
+              <ContextMenuItem icon="download" onselect={() => save(item)}
+                >Скачать файл</ContextMenuItem
+              >
+              <ContextMenuItem icon="allow-share" onselect={() => share(item)}
+                >Доступ по ссылке</ContextMenuItem
+              >
+            {/if}
           {/snippet}
         </ContextMenu>
       </li>