# Progress — teamwork_preview_explorer_survey_3

Last visited: 2026-10-05T20:34:10Z
Status: Completed

## Tasks
- [x] Step 0: Record DISPATCH.md and initialize BRIEFING.md
- [x] Step 1: Read ORIGINAL_REQUEST.md (specifically Section: ## 2026-10-05T20:25:13Z)
- [x] Step 2: Analyze Mem0 MCP tool schemas (`mem0_add`, `mem0_search`, `mem0_status`, `mem0_get_all`) and current service state
- [x] Step 3: Analyze Mem0 ingestion mechanics, query matching behavior (`PureVectorEmbedder`, 768-dim hash/3-gram cosine similarity, duplicate prevention)
- [x] Step 4: Map the 5 core areas to determine optimal granularity, fact count (27 atomic facts), and bilingual keyword-dense schema
- [x] Step 5: Design Verification & Acceptance Test Suite (3 mandatory + 5 domain queries, pass/fail thresholds, zero-remnant negative assertions)
- [x] Step 6: Draft concrete proposal and execution templates for Milestone 3 (Ingestion) & Milestone 4 (Verification)
- [x] Step 7: Write analysis.md and handoff.md
- [x] Step 8: Update BRIEFING.md and notify parent via send_message