feat: scaffold OpenCode V2 toolkit with safe project installer

content/skills/coding-standards/agents/openai.yaml

@@ -0,0 +1,7 @@
+interface:
+  display_name: "Coding Standards"
+  short_description: "Cross-project coding conventions and review"
+  brand_color: "#3B82F6"
+  default_prompt: "Use $coding-standards to review code against cross-project standards."
+policy:
+  allow_implicit_invocation: true