chore: backfill email-domain member organization dates (CM-1107)

[skwowet]

Summary

Adds a one-off backfill script for existing email-domain member organization rows with missing dates.

The script:

• Finds active email-domain member organizations where dateStart and dateEnd are null.
• Uses verified email identities and activityRelations.memberId/platform/username to find activity-date evidence.
• Reuses the stint inference logic to apply date ranges.
• Queues changed members in Redis for affiliation recalculation.

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[Copilot]

Pull request overview

Adds a one-off backfill script to infer and persist missing dateStart/dateEnd for existing email-domain memberOrganizations, using activity evidence and existing stint-inference logic, and queues affected members for affiliation recalculation.

Changes:

• Add DAL query helpers + types to find email-domain member orgs missing dates and derive per-org activity dates.
• Add a backend script to run the backfill in batches and enqueue impacted members in Redis.
• Rename the Redis set key used by the script executor worker workflow that recalculates member affiliations.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
services/libs/data-access-layer/src/members/types.ts	Adds a typed result shape for email-domain org activity date rows.
services/libs/data-access-layer/src/members/organizations.ts	Adds queries for (1) memberIds with undated email-domain orgs and (2) org activity dates for stint inference.
services/apps/script_executor_worker/src/activities/block-project-organization-affiliations.ts	Renames the Redis set key used to queue/pop members for affiliation recalculation.
backend/src/bin/scripts/backfill-email-domain-member-organization-dates.ts	New one-off backfill script: batch processing, stint inference, DB updates/inserts, Redis enqueue.
backend/package.json	Adds an npm script entry to run the new backfill script.

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