feat: draft PR reminders with per-timezone Slack @mentions#24
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Notifies each author via Slack @mention about their open draft PRs, grouped by timezone so AEST and IST users each receive reminders at their local 9am and 3pm on Mondays. Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
Maps all 11 #pactflow-dev members (GitHub login → Slack ID + timezone). Adds GMT cron triggers for Yousaf (Mon 9am/3pm UTC). Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
JP-Ellis
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Jun 2, 2026
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A few comments, but I think my main concern is that there are many timezone formats, and it is unclear to me whether they are all working the same. I.e.:
- You might have timezone as offset
+10:00/+11:00 - You might have the timezone as an abbreviation:
AEST/AEDST(though these can be ambiguous, both because one abbreviation can refer to multiple timezones, and multiple abbreviations can refer to the one timezone) - You might have the timezone from IANA:
Australia/Melbourne
I would use the IANA timezone in the cron and for the people association, as that shifts with daylight saving automatically.
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| workflow_dispatch: | ||
| inputs: | ||
| timezone_group: | ||
| description: 'Timezone group to notify (e.g. AEST, IST)' | ||
| required: true |
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The timezone_group value should be an enum as opposed to a free input.
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Fixed — timezone_group is now type: choice with options: [Australia/Melbourne, Asia/Kolkata, Europe/London].
- Replace UTC-offset crons with IANA timezone: field (DST-aware) - One cron per timezone instead of two (9am only, no 3pm) - Detect active timezone at runtime via local hour check - workflow_dispatch input is now a type: choice enum - Mapping JSON uses IANA strings (Australia/Melbourne, Asia/Kolkata, Europe/London) instead of abbreviations Addresses review feedback from JP-Ellis. Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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Summary
draft-pr-reminders.yml) that notifies authors of open draft PRs in the pactflow org via Slack @mention every Mondaydraft-pr-slack-mapping.jsonmapping 11 team members (GitHub login → Slack member ID + timezone)How it works
draft:trueopen PRs across the org via GraphQLCron schedule
Adding users / timezones
.github/draft-pr-slack-mapping.jsoncasebranch in the workflowTest plan
workflow_dispatchwithtimezone_group=AEST— verify Slack message appears with correct @mentionsmefellowsmaps correctly if Matt has a draft PR open🤖 Generated with Claude Code