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Lab 21.5: MAS Architecture Design Challenge

Goal​

In this milestone lab, you will not write code. Instead, you will act as a Lead AI Architect. You will be given three business scenarios, and for each, you must:

  1. Select the best ADK MAS pattern.
  2. Sketch the graph geometry (Nodes and Edges).
  3. Justify your choice based on performance, cost, or maintainability.

A law firm needs a system to process incoming contracts.

  • Step A: Extract all dates and names.
  • Step B: Simultaneously check for "Privacy" violations AND "Liability" risks.
  • Step C: If either check finds a "High" risk, send to a Senior Partner agent for final review.
  • Step D: Otherwise, generate a "Safe to Sign" summary.

Task: Design the graph. Which ADK primitive handles the "Simultaneous" part? Which handles the "High Risk" decision?

Scenario 2: The Multi-Turn Story Writer​

A creative agency wants an agent to write children's books.

  • The agent must write a chapter, then send it to a "Critic" agent.
  • If the Critic says "Too Scary," the agent must rewrite the chapter and send it back to the Critic.
  • This continues until the Critic is satisfied.

Task: What type of graph geometry is this? Which module covered this pattern?

Scenario 3: The Global Enterprise Support Bot​

A multinational corp has a main website agent.

  • When a user asks about "Shipping in Europe," the main agent must talk to a specialized "EU Logistics" agent.
  • The "EU Logistics" agent is managed by a different team in a different country and runs in its own secure Google Cloud project.

Task: Which MAS pattern allows agents in different projects/teams to work together?

Self-Reflection Questions​

  • Why is a "Hybrid" approach (combining static and dynamic nodes) often the reality of production systems?
  • What are the risks of using a fully "Collaborative" team (Module 19) for a strictly regulated financial process?
  • How does the "Graph" mental model help you communicate with business stakeholders compared to "Chatbot" terminology?

🔐 Reference Solution Vault​

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Module 21_5 Reference Solution Vault

Active Comprehension Gate • Zero Guessable URLs • Guided Verification

Step 1/3: Question 1 of 3

In Module 21_5 (MAS Knowledge Milestone), what is the primary role of end-to-end multi-agent orchestration in ADK architectures?