Add role-local migrated skill guidance

packages/c4-diff/relayview-skill.json

@@ -0,0 +1,15 @@
+{
+  "schemaVersion": 1,
+  "source": {
+    "kind": "first-party",
+    "reference": "v0.3.0"
+  },
+  "role": "reviewer",
+  "step": "review",
+  "files": [
+    {
+      "path": "SKILL.md",
+      "sha256": "f1746262e65a8a3de9223a8c42a30b354a6718fea3819079cd13597a258da567"
+    }
+  ]
+}