chore: scaffold ai-coding-skills repository structure

skills/_template/SKILL.md

@@ -0,0 +1,36 @@
+---
+name: your-skill-name
+description: Briefly describe what this skill does and when to use it.
+---
+
+# your-skill-name
+
+## Compatibility
+
+- Codex: ✅
+- Claude Code: ✅
+- OpenCode: ✅
+
+## Prerequisites
+
+This skill depends on Superpower skills.
+
+- Dependency repo: https://github.com/obra/superpowers
+- Required skills: <fill-required-skill-list>
+
+If prerequisites are missing, **stop** and show:
+
+```text
+Cannot run your-skill-name yet.
+Missing required Superpower skills: <list>
+Install from: https://github.com/obra/superpowers
+After installation, tell me "requirements ready" and I’ll continue.
+```
+
+## Workflow
+
+(Replace with actual workflow.)
+
+## Notes
+
+(Replace with skill-specific constraints.)