# Step 1 — Implementation Detail 1. Added app/settings.py with environment-backed typed configuration. 2. Added app/card.py with ingestion, publication, and validation skills. 3. Added app/agent.py and app/main.py application entry points. 4. Added app/routes.py and app/triggers.py for HTTP-style ingestion and event registration. 5. Added app/governance.py, app/publication.py, and app/validation.py and connected them in create_agent_app.