Ingest pasted PC parts purchase/config text (Discord message receipts, bullet lists) into Notion DIY_PC tables (PCConfig, ストレージ, エンクロージャー, PCInput). Use when the user pastes raw purchase logs/spec notes and wants the AI to classify, enrich via web search, ask follow-up questions for unknowns, and then upsert rows into the correct Notion data sources using the 2025-09-03 data_sources API.