chore: bump to v0.25.0 (#31) + CHANGELOG

package.json

@@ -1,6 +1,6 @@
 {
   "name": "history",
-  "version": "0.24.0",
+  "version": "0.25.0",
   "private": true,
   "type": "module",
   "description": "AI-driven alternate-history simulator — the LLM is the world engine (Pax Historia style).",
@@ -14,6 +14,7 @@
     "cleanup:regions": "node scripts/cleanup-regions.mjs",
     "smooth:regions": "node scripts/smooth-regions.mjs",
     "fill:regions": "node scripts/fill-gaps.mjs",
+    "split:regions": "node scripts/split-arkhangel.mjs",
     "build:region-keys": "node scripts/build-region-keys.mjs",
     "build:region-adjacency": "node scripts/build-region-adjacency.mjs",
     "typecheck": "tsc --noEmit",