Tentacle enhancements.

docs/tentacle-sessions.md

@@ -141,9 +141,10 @@ abandoned work. Go also respects a shorter caller context; Python accepts a
 shorter explicit timeout. Shutdown/EOF wakes pending calls and event consumers.
 The process supervisor still enforces cleanup for a child ignoring cancellation.
 
-These are lifecycle queues only. Separate key/speech queues, latest-frame Braille
-coalescing, typed effect validation, and their delivery-time owner checks remain
-unimplemented. Do not send those payloads through lifecycle events.
+Typed speech IPC now extends this transport; see
+[the speech contract](tentacle-remote-speech.md). It uses the same ordered event
+queue for exported speech and a separate 64-item incoming mailbox. No production
+output owner is connected. Keyboard/Braille/clipboard effects remain unsupported.
 
 ## Implemented lifecycle operations
 
@@ -164,6 +165,7 @@ Child calls:
 | `remote.open` | `action`, `epoch`, `role`, `grants` | `lease`, `epoch` |
 | `remote.heartbeat` | `lease`, `epoch`, `sequence` | `{}` |
 | `remote.close` | `lease`, `epoch`, `sequence` | `{}` |
+| `remote.present` | `lease`, `epoch`, `sequence`, typed `speech` | `{}` after mailbox admission; unavailable without reader owner |
 
 The action token must match the unconsumed core approval. Role must match exactly,
 and grants must be a nonempty subset of the approved install grants. Controller
@@ -187,8 +189,9 @@ does not implement all effect-owner policies. No production effects currently us
 
 Errors are generic and contain no parameters: `-32001` permission denied,
 `-32602` invalid parameters, `-32601` unsupported operation, `-32603` unavailable.
-State/focus/presentation/key/Braille/clipboard methods deliberately return
-unsupported-operation errors. Malformed envelopes, replayed IDs or frame/queue
+State/focus/key/Braille/clipboard methods deliberately return
+unsupported-operation errors. Speech mailbox overflow returns `-32002` and
+revokes its lease. Malformed envelopes, replayed IDs or frame/queue
 violations terminate the process session instead of attempting recovery.
 
 ## Verification