setup: complete wiki scaffold with schema, seed files, sample article, search script, and workflow docs

wiki/log.md

@@ -2,5 +2,11 @@
 
 > Append-only chronological record of all ingest and maintenance operations.
 
+## 2026-05-10 17:30 — Wiki scaffold created
+- Created: `AGENTS.md` (schema), `wiki/overview.md`, `wiki/index.md`, `wiki/topics/llm-wiki-pattern.md`
+- Created: `raw/articles/sample-llm-wiki-intro.md` (sample article)
+- Created: `scripts/wiki-search.sh` (grep-based search utility)
+- Key takeaways: Initial setup following Karpathy's LLM Wiki pattern. Three-layer architecture in place (raw → wiki → schema).
+
 ---
 *Log started: 2026-05-10*