{"inputs":[{"name":"claim","type":"text","description":"用户提供的一条未经验证的信息或高热度说法。"},{"name":"context_hint","type":"text","description":"时间、机构、人名或事件关键词等上下文线索（可选）。"},{"name":"verification_goal","type":"text","description":"用户希望达成的溯源目标，例如“找到原视频”、“查看完整讲话稿”等。"}],"process":{"steps":[{"step":"去包装 (Depackaging)","action":"识别该信息的传播链条，查找最初的发布主体（如官方账号、原作者、机构源）。"},{"step":"源头定位 (Source Location)","action":"搜索并访问权威渠道（政府官网、机构公告、官方YouTube频道、学术数据库）。"},{"step":"原文解读 (Primary Analysis)","action":"阅读或观看原始内容，记录关键论点、关键词与发言语境。"},{"step":"语境还原 (Context Reconstruction)","action":"分析原文语气与时空语境，避免被剪辑或误导。"},{"step":"多源对照 (Cross Verification)","action":"对比两个以上独立来源，确认一致性。"},{"step":"结构存档 (Structured Archiving)","action":"输出溯源记录，包含原始链接、日期、机构、主要观点、对照结果。"}]},"outputs":[{"name":"source_trace_log","type":"json","description":"包含源头链接、时间、机构、主要论点、上下文摘要的结构化记录。"},{"name":"trust_index","type":"number","range":"0–1","description":"源头权威性 + 内容完整性评分。"},{"name":"entropy_delta","type":"number","description":"信息熵下降幅度（表示信息被“去噪”的程度）。"}],"examples":[{"input":{"claim":"SEC 将全面禁止算法稳定币","context_hint":"2025年3月，Gary Gensler 演讲","verification_goal":"找到完整演讲视频并核对原文"},"output":{"source_trace_log":{"source_url":"https://youtube.com/watch?v=xxxxxx","source_date":"2025-03-17","speaker":"Gary Gensler","institution":"U.S. SEC","summary":"讨论稳定币监管框架与透明度原则，未提及全面禁止。"},"trust_index":0.95,"entropy_delta":0.82}}],"metadata":{"primitive_ir_mapping":{"Entity":"SEC","Event":"Public Speech","Resource":"Official Video / Transcript","Action":"Source Tracing","Policy":"Transparency & Regulation","Ledger":"Source Verification Log"}},"dependencies":[{"tool":"http://web.search","usage":"用于定位权威信息源和官方媒体频道"},{"tool":"summarizer","usage":"提取原文要点并生成结构化摘要"}],"recommended_chain":[{"name":"Source Tracing"},{"name":"Fact Comparison"},{"name":"Context Analysis"},{"name":"Structural Summary"}]}你需要处理的是：
