feat(content): promote Duncarrow; build client/server artifacts

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

content/server/topics/crells-guard-acts-alone.json

@@ -0,0 +1,5 @@
+{
+  "body": "The mayor keeps three personal guardsmen who answer only to him, separate from the town militia of ten. They come and go on the north road at odd hours on the mayor's word alone. Someone close enough to the militia notices they operate outside its command entirely.",
+  "id": "fact.crells-guard-acts-alone",
+  "secrecy": 3
+}