feat(content): the Seven — seven demon kings and their blood

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

content/world/canon/vael-the-quiet-knife.json

@@ -0,0 +1,8 @@
+{
+  "body": "Vael, the Quiet Knife, the intimate one. The blood Vael craves is the kind spilled indoors \u2014 the trusted killed by the trusted, the poison in the cup you were poured, the debt settled between people who once shared bread. Vael keeps no horde; its army is a scatter of ones, each certain they acted alone. It works through the grudge held too long and the moment the knife looks like the only door left in the room. Kareth takes the field. Vael takes the household, and no one hears it happen.",
+  "id": "person.vael-the-quiet-knife",
+  "related": [
+    "faction.the-seven"
+  ],
+  "type": "person"
+}