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In Week 9, we completed the search methodology. Product_Checklist.md reached 1,400 lines. PART A 450 lines, PART B 950 lines contained 75-95 search rules, web_fetch usage methods, and reference tracking logic.
Now the search methodology was completed. However, we discovered a new problem. What should we do after searching? We requested Sequential Thinking. 'Do you think we can collect tariff target products without omission to the maximum extent with this? Is there anything we missed? What parts can be further developed? What should we do after searching?’
We analyzed the post-search situation with Sequential Thinking.
"1st thought: When search is executed, products will be added to Product_Article.md with insert and will accumulate in search order.", "4th thought: There may be duplicates. The same product may be repeated from multiple sources.", "7th thought: The order is not by effective date. Products from sources searched first will accumulate first.", "10th thought: Information will be scattered. Some sources will have very detailed product descriptions, while other sources will have only brief product names.", "15th thought: It seems we need to create a final list. Deduplication, sorting by effective date, and information integration are necessary.”
We clearly identified the problems. First, the same product could appear from multiple sources. For example, the same product could appear in Federal Register Proposed Rule, and also in Final Rule, and also in CBP documents. Second, products would stack in search order. Not in effective date order. Products with later effective dates could stack first, and products with earlier effective dates could stack later. Third, some sources might have very detailed product descriptions, while other sources might have only brief product names.
It seemed we needed to create a final list. We needed to remove duplicates, sort by effective date, and integrate information to create one clean list.
We knew integration was necessary. But how should we maintain the original preservation principle? We checked the principle created in Week 8 again. "Product_Article.md modification prohibited. Use only insert. Absolutely prohibit str_replace/delete." Could we integrate while maintaining this principle?