bigplan: Turning product research into a DSH skill and outputting three tiers of product specification plans

# Introduction In DSH (DeepSeek Harness), adding capabilities to agents typically involves writing scripts or integrating toolchains. However, tasks such as product research are different: their core lies in analysis and structured output, where scripts offer limited assistance; what truly matters is a set of well-defined prompts. bigplan is an attempt to encapsulate this type of work as a skill. Below, we introduce its positioning, installation method, and usage. # What is it? bigplan is a skill maintained by kobenfang within the Agent Skills ecosystem. In one sentence, it is defined as: analyzing the market, technology, and supply chain based on product direction to output three sets of product specification plans (high, medium, and low-end). It follows the Agent Skills open standard (SKILL.md + YAML front...