Slack slash commands (/estim)

[elias-ba]

Summary

Provide slash commands for quick actions from Slack.

Commands

/estim status

Show current sprint status
```
📊 Sprint: Q1 Week 3
Stories: 8 pending, 4 resolved
Deadline: 6 hours remaining
Your pending: 3 stories
[View Sprint] [Vote Now]
```

/estim vote

Show your pending votes
```
📋 Your pending estimates:

1. "Add Stripe webhook" (💳 Payments)
2. "Refactor auth module" (🔐 Auth)
3. "Update dashboard UI" (🎨 Frontend)
   [Start Voting]
   ```

/estim create [sprint name]

Quick-create a new sprint
```
✅ Created sprint "Q1 Week 4"
[Add Stories] [Open in Estim]
```

/estim help

Show available commands

Technical Notes

• Register slash command in Slack App config
• Handle requests at /api/slack/commands
• Respond within 3 seconds (Slack requirement)
• Use response_url for delayed responses

Acceptance Criteria

• All commands work as documented
• Responses are within Slack time limits
• Error messages are helpful
• Links open correct Estim pages