feat: add experimental pushy delivery mode

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

tests/test_control.py

@@ -1,5 +1,7 @@
 from tamq import control
-from tamq.control import ControlModeClient, shell_quote
+import pytest
+
+from tamq.control import ControlModeClient, ControlModeError, shell_quote
 from tamq.tmux import shell_join
 
 
@@ -27,3 +29,39 @@ def test_pane_tty_is_resolved_through_tmux(monkeypatch):
         "tmux", "-L", "test", "display-message", "-p", "-t",
         "tamq:audit-core", "#{pane_tty}|#{cursor_x}|#{cursor_y}|#{pane_height}|#{alternate_on}",
     ]]
+
+
+def test_submit_sends_literal_input_then_one_enter(monkeypatch):
+    calls = []
+
+    def run(command, **kwargs):
+        calls.append(command)
+        return type("Result", (), {"returncode": 0, "stderr": ""})()
+
+    monkeypatch.setattr(control.subprocess, "run", run)
+    client = ControlModeClient("tamq", tmux_command=("tmux", "-L", "test"))
+
+    client.submit("tamq:audit-core", "#flex-auth: What's up? [m-1]")
+
+    assert calls == [
+        [
+            "tmux", "-L", "test",
+            "send-keys", "-t", "tamq:audit-core", "-l", "--",
+            "#flex-auth: What's up? [m-1]",
+            ";",
+            "send-keys", "-t", "tamq:audit-core", "Enter",
+        ]
+    ]
+
+
+def test_submit_surfaces_tmux_rejection(monkeypatch):
+    monkeypatch.setattr(
+        control.subprocess,
+        "run",
+        lambda *args, **kwargs: type(
+            "Result", (), {"returncode": 1, "stderr": "missing pane"}
+        )(),
+    )
+    client = ControlModeClient("tamq")
+    with pytest.raises(ControlModeError, match="missing pane"):
+        client.submit("tamq:missing", "message")