Add permission-aware help surface

README.md

@@ -65,6 +65,7 @@ Implemented:
 - Config file resolution relative to binary directory
 - Runtime mode detection (`pass_mgr` present/absent)
 - Top-level and group/leaf help rendering system (`--help` / `--help-brief` / `not permitted` stubs)
+- Permission-aware command visibility via `/auth/me/permissions` when a token is available
 - HTTP client wrapper
 - Output formatting (human-readable + `--json`)
 - `hf version`, `hf health`, `hf config`
@@ -72,4 +73,4 @@ Implemented:
 
 Planned:
 - User, role, project, task, milestone, meeting, support, propose, monitor commands
-- Permission-aware help rendering
+- Rich per-command help/usage text beyond the current stub renderer