feat: add reliable trigger and worker message blocks

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a03397-4d51-7fd1-8ff2-946eb22ea2bc

tests/test_control.py

@@ -23,7 +23,9 @@ def test_pane_tty_is_resolved_through_tmux(monkeypatch):
         return type("Result", (), {"returncode": 0, "stdout": "/dev/pts/7|12|8|24|0\n", "stderr": ""})()
 
     monkeypatch.setattr(control.subprocess, "run", run)
-    client = ControlModeClient("tamq", tmux_command=("tmux", "-L", "test"))
+    client = ControlModeClient(
+        "tamq", tmux_command=("tmux", "-L", "test"), submit_delay=0.15
+    )
     assert client.pane_tty("tamq:audit-core") == "/dev/pts/7"
     assert calls == [[
         "tmux", "-L", "test", "display-message", "-p", "-t",
@@ -49,6 +51,8 @@ def test_submit_sends_literal_input_then_one_enter(monkeypatch):
             "send-keys", "-t", "tamq:audit-core", "-l", "--",
             "#flex-auth: What's up? [m-1]",
             ";",
+            "run-shell", "sleep 0.150",
+            ";",
             "send-keys", "-t", "tamq:audit-core", "Enter",
         ]
     ]