Fix Slack thread ID to use message timestamp instead of channel ID

[kevinicolas22]

Summary by CodeRabbit

• Bug Fixes
  • Improved thread context handling in Slack channel operations to correctly identify messages within conversations.

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[github-actions]

Tagging Options

Should a new tag be published when this PR is merged?

• 👍 for Patch 0.133.25 update
• 🎉 for Minor 0.134.0 update
• 🚀 for Major 1.0.0 update

[coderabbitai]

📝 Walkthrough

Walkthrough

A single-line modification in Slack channel invocation logic changes the thread identifier source from channel ID to message timestamp in the non-direct-message execution path.

Changes

Cohort / File(s)	Change Summary
Thread Identifier Update slack/actions/deco-chat/channels/invoke.ts	Modified non-direct-message thread context: shifted thread identifier from props.event.channel to props.event.ts (message timestamp instead of channel ID)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~5 minutes

Possibly related PRs

• [feat: Slack]: Migrate to ai sdk v5 #1428: Refactors streaming logic that consumes the threadId/thread identifier modified by this change, making these modifications interdependent in thread context handling.

Poem

🐰 A timestamp now marks the thread's true home,
No longer lost in channels where we roam—
One tiny shift, from ID to moment's gleam,
Makes Slack conversations flow supreme! ✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	No pull request description was provided by the author, but the description template requires sections for contribution details, issue links, video, and demonstration link.	Add a pull request description following the template: include what this contribution is about, link to the related issue, provide a Loom video, and include a demonstration link for testing.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically summarizes the main change: fixing the Slack thread ID to use message timestamp instead of channel ID, which matches the file change described in the summary.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

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✨ Finishing touches

• 📝 Generate docstrings

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between dee3782 and 7cb4ee9.

📒 Files selected for processing (1)

• slack/actions/deco-chat/channels/invoke.ts

🔇 Additional comments (1)

slack/actions/deco-chat/channels/invoke.ts (1)

25-27: LGTM! Correct fix for thread identification.

The change correctly uses props.event.ts (message timestamp) instead of props.event.channel for the thread identifier in non-DM channels. This aligns with Slack's threading model where ts uniquely identifies messages and their threads, and is consistent with how thread_ts is already used in the Slack API calls elsewhere in this file (lines 148, 255, 269).

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