What problem does it solve? Creators of knowledge-based short videos often produce scripts that stay at the level of common sense, lack causal explanation, cite no verifiable sources, or sound like generic AI output. This Skill turns a confirmed topic into a researched depth draft with mechanism chains, evidence ledgers, and competing explanations, then converts it into a natural spoken script. ## Core Features & Use Cases - Depth Draft Construction: Builds an eight-part internal draft covering surface question, content type (decision/mechanism/research), non-obvious judgment, competing explanations, a three-plus-link causal chain, an evidence ledger, counterexamples, and audience takeaways. - Evidence Discipline: Separates verified facts, source opinions, inferences, and unknowns; supports source-restricted, web-research, and hypothesis-draft modes; refuses to fabricate data, cases, or statistics. - User-Controlled Expression Gate: Recommends 2-4 angles, duration (75-90 seconds or 2-3 minutes), and whether to fuse viral-style expression, then waits for the user's choice before writing the final script. - Use Case: A creator has chosen the topic "why premium hotels block food delivery riders" and wants a deeper script. The Skill proposes angles, builds a mechanism chain around business-model mismatch with sourced evidence, and delivers a readable 90-second spoken script after the user confirms the style. ## Quick Start Tell the AI to read SKILL.md and WORKFLOW_PROTOCOL.md, then provide your confirmed knowledge topic, target audience, and desired duration so it can recommend angles and wait for your choice before drafting.