feat: scaffold OpenCode V2 toolkit with safe project installer

content/skills/security-review/agents/openai.yaml

@@ -0,0 +1,7 @@
+interface:
+  display_name: "Security Review"
+  short_description: "Security checklist and vulnerability review"
+  brand_color: "#EF4444"
+  default_prompt: "Use $security-review to review sensitive code with the security checklist."
+policy:
+  allow_implicit_invocation: true