Planning Workflow — The Foundation of Agentic Development Core Philosophy: "Planning tokens are a lot fewer and cheaper than implementation tokens." The models are far smarter when reasoning about a detailed plan that fits within their context window. This is the key insight behind spending 80%+ of time on planning. --- Why Planning Matters Before burning tokens with a big agent swarm: - Measure twice, cut once — becomes "Check your plan N times, implement once" - A very big, complex markdown plan is still shorter than a few substantive code files - Front-loading human input in planning enabl…