- Provision OpenSearch Serverless collection for vector search
- Create Bedrock Knowledge Base with Titan embedding model
- Configure S3 data source with fixed-size chunking (512 tokens, 20% overlap)
- Add suggestions Lambda with SQS event source filtering
- Scope bedrock:InvokeModel IAM to specific model ARN patterns
- Add internal API key secret in Secrets Manager
- Add log retention (2 months) to all Lambda functions
- Add docker-compose.yml for local PostgreSQL
