feat: enable project-registry affiliation writes (CM-361)

[skwowet]

Summary

Part 2 of CM-361. Part 1 discovers and parses project-maintained affiliation files in git_integration but left MO/MSA writes disabled for validation. This PR turns on those writes and updates shared affiliation logic so project-registry rows behave correctly downstream — ranked above email-domain/enrichment and picked up during activity ingest.

Changes

• git_integration: call insert_member_organizations and insert_member_segment_affiliations after lookup/guard checks so parsed repo affiliations land in CDP
• types: add OrganizationSource.PROJECT_REGISTRY (project-registry)
• common: rank project-registry above email-domain and enrichment in getMemberOrganizationSourceRank (UI still wins)
• data-access-layer: include fully undated MSAs in findMemberManualAffiliation so new activities resolve repo-derived affiliations the same way bulk refresh already does

[Copilot]

Pull request overview

This PR is Part 2 of CM-361. Part 1 discovered and parsed project-maintained affiliation files in git_integration but kept the CDP writes disabled for validation. This PR turns those writes on and updates the shared affiliation logic so project-registry member-organization / member-segment-affiliation rows behave correctly downstream — ranked above email-domain/enrichment (but below UI) and picked up during activity ingest.

Changes:

• git_integration: activate the previously commented-out insert_member_organizations / insert_member_segment_affiliations calls (plus their imports) so parsed repo affiliations land in CDP.
• Introduce OrganizationSource.PROJECT_REGISTRY and slot project-registry between ui and email-domain in getMemberOrganizationSourceRank.
• Expand findMemberManualAffiliation to also match fully undated MSAs so new activities resolve repo-derived affiliations like the bulk refresh path already does.

Reviewed changes

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

File	Description
services/apps/git_integration/src/crowdgit/services/affiliation/affiliation_service.py	Enables the actual MO/MSA inserts after lookup/guard checks and imports the two crud helpers.
services/libs/types/src/enums/organizations.ts	Adds the PROJECT_REGISTRY = 'project-registry' enum value.
services/libs/common/src/member.ts	Re-ranks sources so project-registry outranks email-domain/enrichment but not UI.
services/libs/data-access-layer/src/members/segments.ts	Adds a fully-undated branch to the manual-affiliation lookup used during activity ingest.

One concern worth addressing before merge: the new undated branch in findMemberManualAffiliation interacts with ORDER BY "dateStart" DESC (PostgreSQL NULLS FIRST default), which lets an undated catch-all MSA win over a more specific dated MSA that covers the timestamp — see the inline comment.

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