Building a full-stack iOS application from scratch demonstrates the efficiency of an agentic engineering workflow, where a central AI orchestrator, "First Mate," delegates tasks to specialized crewmates. This process, applied to the development of "Eddie's Wallet"—a virtual allowance tracker for children—integrates market research, technical architecture, and UX prototyping into a parallelized pipeline. By utilizing tools like Lavish for interactive planning and Atomic Vault for secure credential management, the workflow maintains high observability and human control over critical infrastructure decisions, such as VPS deployment and Apple authentication. This approach replaces manual terminal management with autonomous agent coordination, allowing for rapid iteration and end-to-end testing in a simulator. The project highlights the capability of efficient models like GPT-5.6 Luna to handle complex, multi-step development cycles while minimizing the cognitive burden of managing individual sub-tasks.
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