fix(tui): route /compress and /compact past the slash worker to command.dispatch

Ported from #60834 (same author) — pending-input routing so clients that
fail the slash.exec->dispatch fallback still reach the new compress handler.

tui_gateway/server.py

@@ -11611,6 +11611,8 @@ _PENDING_INPUT_COMMANDS: frozenset[str] = frozenset(
         "moa",
         "undo",
         "learn",
+        "compress",
+        "compact",
     }
 )