kb-wiki-updatelisted

# KB Wiki — Update an existing page ## Before editing 1. Read the target page (required — Edit tool needs prior Read) 2. Read `wiki/brain.md` if not already loaded this session 3. Search existing pages for conflicting claims — follow contradiction protocol if found ## Apply the edit Use `Edit` (not `Write`) on existing pages. Frontmatter-bump rules: ```yaml updated: YYYY-MM-DD # today — ALWAYS, on every edit last_verified: YYYY-MM-DD # today — ONLY if (a) this edit cross-checked # the page's claims against current source/reality, # OR (b) this is a human REVIEWED stamp (also bump # provenance: llm-reviewed). # If this is just a content edit / addition / phrasing # change without re-verification → do NOT bump. ``` **Why (2026-05-24):** bumping both every time let LLM writes silently suppress pages from staleness reports. The staleness sweep is load-bearing on `last_verified` — keep it honest. `updated` = "this page was touched"; `last_verified` = "content confirmed accurate as of this date." Never change `created`. Ensure all frontmatter fields are present (including `importance_score`). ### Enum validation at write-time Reject out-of-enum values — do not preserve pre-upgrade leaks. Closed enums: - `type` ∈ `concept | entity | synthesis | query-answer | reference` - `confidence` ∈ `high | medium | low` - `provena