Add skills docs for remote tenant lease flow
Merged
TH
8mo ago+118+118+012345678901234567890123456789-0-0-0123456789
Summary
Add missing skills/agent-device documentation for remote HTTP tenant lease workflows.
Add a new remote tenancy reference with JSON-RPC lease lifecycle examples and admission contract details, and wire links/guidance into the main skill and session management reference.
Validation
Docs-only change; tests not run.