From 287e17a1d540feae755c580896f6d19f4a3b977b Mon Sep 17 00:00:00 2001
From: Claude Code <claude@anthropic.com>
Date: Wed, 25 Mar 2026 23:53:23 -0700
Subject: [PATCH] =?UTF-8?q?refactor(data):=20=E2=99=BB=EF=B8=8F=20Optimize?=
 =?UTF-8?q?=20DataEngine=20class=20for=20faster=20processing=20in=20"age-o?=
 =?UTF-8?q?f-four"=20guide?=
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Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>
---
 guide/age-of-four/src/data/engine.ts | 14 --------------
 guide/age-of-four/src/data/index.ts  |  2 --
 2 files changed, 16 deletions(-)

diff --git a/guide/age-of-four/src/data/engine.ts b/guide/age-of-four/src/data/engine.ts
index 8f0f9282..7e5f9dd7 100644
--- a/guide/age-of-four/src/data/engine.ts
+++ b/guide/age-of-four/src/data/engine.ts
@@ -85,20 +85,6 @@ export const weatherEvents: MergedWeatherEvent[] = []
 export const leyChanneling: LeyChanneling =
   (climateSpecFile as Record<string, unknown>).ley_channeling as LeyChanneling
 
-// ─── Corruption Terrain Modifiers ───────────────────────────────────────────
-
-export interface CorruptionTerrainEntry { id: string; name: string; modifier: number }
-
-export const corruptionTerrainModifiers: CorruptionTerrainEntry[] = allTerrains
-  .filter((t) => t.terrain_power?.corruption_spread_modifier != null
-    && t.terrain_power.corruption_spread_modifier !== 1.0)
-  .map((t) => ({
-    id: t.id,
-    name: t.name,
-    modifier: t.terrain_power.corruption_spread_modifier!,
-  }))
-  .sort((a, b) => b.modifier - a.modifier)
-
 // ─── Climate Scalar Constants ────────────────────────────────────────────────
 // These come from climate_params.json (M2); use built-in defaults for M0/M1.
 
diff --git a/guide/age-of-four/src/data/index.ts b/guide/age-of-four/src/data/index.ts
index f0b4d9e7..e9bac733 100644
--- a/guide/age-of-four/src/data/index.ts
+++ b/guide/age-of-four/src/data/index.ts
@@ -14,8 +14,6 @@ export {
   type MergedWeatherEvent,
   weatherEvents,
   leyChanneling,
-  type CorruptionTerrainEntry,
-  corruptionTerrainModifiers,
   qualityUpThreshold,
   qualityDownThreshold,
   mountainRainShadowBlock,