feat: add session-scoped workflow approval gate commands

README.md

@@ -471,6 +471,9 @@ Notes:
 | `/local` | Switch to local model |
 | `/cloud` | Switch to cloud model |
 | `/model` | Show model info and options |
+| `/approvals` | List pending approval gates for current session |
+| `/approve [id]` | Approve latest (or specific) pending gate |
+| `/deny [id] [reason]` | Deny latest (or specific) pending gate |
 
 ## Web UI Dashboard
 
@@ -518,6 +521,9 @@ pnpm tui:fs
 | `/pair` | Generate/list/revoke DM pairing codes |
 | `/fullscreen` | Switch to fullscreen mode |
 | `/transfer <dest>` | Transfer session to another frontend (`telegram` or `tui`) |
+| `/approvals` | List pending approval gates for current session |
+| `/approve [id]` | Approve latest (or specific) pending gate |
+| `/deny [id] [reason]` | Deny latest (or specific) pending gate |
 | `/quit` | Exit |
 
 #### Runtime Model Switching