Hide +plugin-instance-create/update/delete/get/list from CLI help.
Remove instance reference files from lark-apps skill. Route instance
CRUD and call code generation to project repo plugin-guide skill.
Go instance code preserved, just hidden.
Replace <capabilities_dir> placeholders with resolved paths so models
can see actual file locations before execution. Add version_source,
types_output, and scan_dir fields to describe implicit behaviors.