chore(deps): bump @slack/web-api from 7.15.0 to 7.19.0

[dependabot]

Bumps @slack/web-api from 7.15.0 to 7.19.0.

Release notes

Sourced from @​slack/web-api's releases.

@​slack/web-api@​7.19.0

Minor Changes

• a795b86: feat: expand app manifest types — add agent_view and assistant_view features, recent agent events (app_context_changed, assistant_thread_started, assistant_thread_context_changed), optional OAuth scopes (bot_optional/user_optional), and event metadata_subscriptions

@​slack/web-api@​7.18.0

Minor Changes

• 07744de: feat: make thread_ts optional for assistant.threads.setSuggestedPrompts

@​slack/web-api@​7.17.0

Minor Changes

• 2085900: feat: expose public read-only ts getter on ChatStreamer for fallback to chat.update when a stream expires server-side

  import { WebClient } from "@slack/web-api";
  const client = new WebClient(process.env.SLACK_BOT_TOKEN);
  const streamer = client.chatStream({
  channel: "C0123456789",
  thread_ts: "1700000001.123456",
  recipient_team_id: "T0123456789",
  recipient_user_id: "U0123456789",
  });
  await streamer.append({ markdown_text: "hello!" });
  // streamer.ts is now set after the first flush
  console.log(streamer.ts);
  await streamer.stop();

@​slack/web-api@​7.16.0

Minor Changes

• 2814969: feat: add highlight_type to files.completeUploadExternal and filesUploadV2 for optimistic rendering

  import { WebClient } from "@slack/web-api";
  const client = new WebClient(process.env.SLACK_BOT_TOKEN);
  await client.filesUploadV2({
  channel_id: "C0123456789",
  file: "./image.png",
  filename: "image.png",
  title: "Image Upload",
  highlight_type: "png",

... (truncated)

Commits

• b0e335b chore: release (#2649)
• a795b86 feat: expand app manifest types for agent apps (#2648)
• 12b94a2 chore: release (#2642)
• 50828f5 feat: add app_context_changed event type (#2633)
• f006ad4 chore: release (#2628)
• 9db85aa revert(web-api): keep string[] for slack lists message field request input (#...
• 07744de feat: make thread_ts optional for assistant.threads.setSuggestedPrompts (#2639)
• a270a6e chore(deps): bump actions/checkout from 6.0.2 to 7.0.0 (#2636)
• baa1ed7 ci: add node 26 to the test matrix (#2635)
• 70cec0c chore: block @​dependabot updates to @​types/node@​26 (#2634)
• Additional commits viewable in compare view

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