Adds 'uwf skill user' command for agents/humans using the uwf CLI.
Covers setup, workflow management, thread lifecycle, step operations,
CAS queries, logging, and global options with a Quick Start guide.
Refs #538
Adds 'uwf skill actor' command for agents executing workflow roles.
Covers the two things an actor needs to know:
1. Frontmatter output protocol (status field, schema-defined fields)
2. CAS operations (put, get, refs, walk, merkle DAG pattern)
Refs #540
- Move generateCliReference() to @uncaged/workflow-util
- buildRolePrompt inlines CLI reference directly (no agent tool call)
- Fix Role terminology to use new field names
- Add maintenance comment in cli-reference.ts
- Fix test assertions