From 1be1ed0de04bbebd17fa4f10b941d85fe58cb663 Mon Sep 17 00:00:00 2001
From: slaguru666 <111923774+slaguru666@users.noreply.github.com>
Date: Sun, 19 Jul 2026 12:29:29 +0100
Subject: [PATCH] =?UTF-8?q?rpg=20skill:=20lessons=20=E2=80=94=20real-city?=
 =?UTF-8?q?=20geography=20pass,=20PC/NPC=20surname=20collisions,=20timesta?=
 =?UTF-8?q?mp=20arithmetic?=
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---
 skills/rpg/references/lessons.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/skills/rpg/references/lessons.md b/skills/rpg/references/lessons.md
index 12b6fe8..dc708a2 100644
--- a/skills/rpg/references/lessons.md
+++ b/skills/rpg/references/lessons.md
@@ -40,6 +40,21 @@ pass.
   resolves it (a confession that stays ambiguous), say so in the text —
   "no roll resolves this" — so the GM doesn't improvise one under pressure.
 
+## 2026-07 — Day One consistency audit (BRP, real-London setting)
+
+- **Real-city scenarios need a dedicated geography pass.** Check every compass
+  direction, "across the river", landmark sightline, and named route against
+  the actual map before calling a scenario ready — desk playtests won't catch
+  these, but any local player will (Day One had a hospital on the wrong bank,
+  a pier route through a tunnel that's past the destination, and a gatehouse
+  on the wrong end of the bridge).
+- **Grep the cast list for surname collisions between PCs and NPCs** — an
+  audit's cheapest catch (Kira Osei-Mensah vs Fatima Osei), and it reliably
+  confuses a convention table.
+- **In-fiction timestamps deserve arithmetic checks.** If the text says "two
+  hours before the alert", subtract the actual clock times; drafts drift as
+  timelines get re-plotted.
+
 ## 2026-07 — Pregen roster rebuilds
 
 - **Audit inherited rosters against the current scenario, not just the