feat: uses slack blocks output

[douglance]

[Copilot]

Pull Request Overview

This PR introduces a new function to post Slack messages using blocks instead of a plain text message, updates a dependency, removes an outdated file, and adjusts Slack message handling to support both message types.

• Added a new function (postSlackBlocks) in packages/utils/postSlackMessage.ts
• Updated Slack message handling in packages/retryable-monitor/handlers/slack/postSlackMessage.ts and reportFailedRetryables.ts
• Removed the legacy slackMessageGenerator.ts file

Reviewed Changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/utils/postSlackMessage.ts	Added postSlackBlocks to support Slack blocks notifications.
packages/retryable-monitor/package.json	Added dotenv dependency.
packages/retryable-monitor/handlers/slack/slackMessageGenerator.ts	Removed legacy Slack message generator.
packages/retryable-monitor/handlers/slack/postSlackMessage.ts	Refactored to conditionally use blocks or messages.
packages/retryable-monitor/handlers/reportFailedRetryables.ts	Updated to generate and post Slack blocks.

Comments suppressed due to low confidence (1)

packages/utils/postSlackMessage.ts:29

• [nitpick] Consider adding an explicit return type annotation for 'postSlackBlocks' for enhanced clarity and maintainability.

export const postSlackBlocks = ({

[Copilot]

Consider refining the 'blocks' parameter type from 'any[]' to a more specific type to leverage TypeScript's type safety.