proposal-system/lambdas/aurora-pgvector-init/requirements.txt at 4e056f8fd6ea6b093d277fd36857cd8588ebae32 - adam/proposal-system - Sea Haven Git

adam/proposal-system

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Adam Moussa aff38a11ae

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feat(infra): migrate Bedrock KB vector store to Aurora pgvector (#125 )

Replaces OpenSearch Serverless with Aurora PostgreSQL Serverless v2 + pgvector as
the Bedrock Knowledge Base vector store (v1 PR3). Bedrock KB requires Aurora SSv2
(RDS Data API), not a plain RDS instance — so the DB engine moves to Aurora.

- foundation: rds.DatabaseInstance (PG15) -> rds.DatabaseCluster Aurora SSv2
  (0.5-4 ACU, enableDataApi). RDS alarms: free-storage -> freeable-memory.
- compute: delete all AOSS (collection, policies, VPC endpoint, index-creator);
  add bedrock_user secret + KB role (scoped rds-data + secret read); repoint
  CfnKnowledgeBase to RDS storage (bedrock_integration.bedrock_kb, vector(1024)).
- lambdas: oss-index-creator -> aurora-pgvector-init (bootstrap schema/table/
  indexes/role via RDS Data API; transient-error retry; password guard).
- ADR 0001 documents the decision.

Eliminates the ~$175-350/mo AOSS OCU floor. NAT kept (egress still needed).
GPT-4.1 cross-review: no BLOCK (FIX applied). tsc clean; foundation synth shows
Aurora cluster with Data API enabled; 23 pytest pass.

2026-06-12 18:44:42 -04:00

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boto3>=1.43.18,<2.0