docs(skills): repoint world-building off Duncarrow (specimen + cosmology); rewrite evals

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HuHRPE7VfppUJEaoGBEUqZ

.claude/skills/world-building/references/schema.md

@@ -23,7 +23,7 @@ A bible file is Markdown. Prose between blocks is for human authors — the buil
 tool ignores it. Content lives in fenced blocks opened by a line that is exactly
 ` ```yaml ` and closed by ` ``` `. Each block is one YAML **mapping** = one entry.
 
-Organize a file with `##` headings and `>` notes like `content/lore/duncarrow.md`.
+Organize a file with `##` headings and `>` notes like `content/lore/specimen.md`.
 Every `*.md` in `content/lore/` is parsed; a new region/storyline can be its own
 file (e.g. `content/lore/the-tallow-reach.md`).
 
@@ -54,7 +54,7 @@ Namespaces `town`, `place`, `region`, `faction`, `person`, `rule`.
 - `body` is public description.
 - The special entry `rule.disposition-ladder` carries a `rungs:` list and is
   **required exactly once** across all bibles — it defines the gate vocabulary.
-  Don't duplicate or remove it; it already lives in `duncarrow.md`.
+  Don't duplicate or remove it; it lives in `mechanics.md`.
 
 ### Knowledge — the atoms NPCs reveal
 
@@ -96,7 +96,8 @@ lever. It answers "how sensitive is this text, where may it live?"
 | 4 | The core secret. | Server-only. |
 
 Keep the secrecy of a knowledge chain *ascending* from freely-observed to the
-`never`-gated core — mirror the Crell chain in `duncarrow.md` (1→2→2→3→4).
+`never`-gated core — a chain climbs by secrecy, e.g. 1→2→2→3→4 from an
+observable rumor to the core secret.
 
 ## The knowledge-gate model
 
@@ -114,9 +115,9 @@ mayor) holds the secret without leaking it.
 
 Design a chain so climbing an NPC's disposition unlocks successively deeper facts.
 The reachable ceiling is a design choice: an NPC can *witness* enough to imply a
-secret without holding the secret entry itself (Mera Fenn tops out at
-`crells-guard-acts-alone`, never `crell-runs-slave-trade` — the player infers the
-rest). Understanding earned beats understanding handed over.
+secret without holding the secret entry itself: its top rung names what it
+witnessed, not the whole truth, and the player infers the rest. Understanding
+earned beats understanding handed over.
 
 ## Client vs server routing
 
@@ -145,7 +146,7 @@ id: person.old-teague
 type: person
 status: canon
 secrecy: 0
-related: [town.duncarrow]
+related: [place.specimen-wharf]
 body: >
   Teague, oldest hand on the Greywater wharf. Mends nets he no longer sails with.
   Watches everything off the water and says almost none of it.
@@ -156,7 +157,7 @@ id: fact.foreign-coin-on-the-docks
 type: fact
 status: canon
 secrecy: 2
-related: [town.duncarrow, person.old-teague]
+related: [place.specimen-wharf, person.old-teague]
 body: >
   The dock hands are paid in pass-country coin, not town mint. Someone outside the
   charter is buying the wharf's silence, a little at a time.