# Step 1 — Implementation Detail

1. Created docs/architecture.md describing request flow, security, reliability, and Terraform decisions.
2. Created architecture.mmd covering clients, Cloud Run, Firestore, Storage, Pub/Sub, worker, observability, registry, and VPC egress.
3. Added Terraform versions, variables, resources, outputs, API enablement, IAM identity, networking, data services, and Cloud Run.