Recap

In the first four articles of the "Agent Platform in Action" series, we have step-by-step advanced the LINE AI Business Card Master ( line-card-assistant ) from a standalone prototype to a cloud-native, dual-layer decoupled Google Cloud Agent Platform architecture:

[Agent Platform in Action (1)] Building LINE AI Business Card Master with Go and Google ADK 2.0 Graph Workflow : Used google.golang.org/adk/v2/workflow to build a 12-node business card processing graph (Graph Workflow), covering Vision OCR, AddFanOut / AddFanIn parallel background investigations, and the HITL (Human-in-the-Loop) pause and modification loop via NewRequestInputEvent .

[Agent Platform in Action (2)] From Monolithic Cloud Run to Google Cloud Agent Runtime: Refactoring LINE AI Business Card Master with agents-cli and ADK Go : Completed Phase 1 ( PR #10 ) , introducing the agents-cli ( adk_go ) standard dual-channel architecture, supporting LINE Webhook, ADK WebUI Playground, and the A2A protocol.

[Agent Platform in Action…