- Create SiteAssignments DynamoDB table with state GSI for site code and
state-based queries
- Add lookup_site function to wo-po-lookup action group lambda
- Add seed script (scripts/seed-sites.ts) to load site CSV into DynamoDB
- Upload site list markdown to KB S3 bucket for semantic search
- Update agent instruction to include site lookup capability
- Update README with site assignment docs and maintenance notes
