feat: add experimental pushy delivery mode

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

tests/test_service_delivery.py

@@ -9,6 +9,7 @@ class FakeControl:
     def __init__(self, session):
         self.session = session
         self.injected = []
+        self.submitted = []
         self.__class__.instances.append(self)
 
     def start(self):
@@ -20,6 +21,9 @@ class FakeControl:
     def inject(self, window, text):
         self.injected.append((window, text))
 
+    def submit(self, window, text):
+        self.submitted.append((window, text))
+
     def pane_display(self, window):
         return PaneDisplay(
             tty_path=f"/dev/pts/{window.rsplit(':', 1)[-1]}",
@@ -56,6 +60,41 @@ def test_service_never_injects_manual_endpoint_messages(tmp_path, monkeypatch):
     assert store.list()[0]["state"] == "pending"
 
 
+def test_service_pushy_mode_submits_once_and_marks_injected(tmp_path, monkeypatch):
+    store = Store(tmp_path / "queue.sqlite3")
+    store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"], "pushy")
+    message_id = store.add("repo-a", "repo-b", "first\nsecond")
+    monkeypatch.setattr("tamq.service.ControlModeClient", FakeControl)
+    service = Service(store=store)
+
+    service._deliver_once()
+    control = FakeControl.instances[-1]
+    service._deliver_once()
+
+    assert control.submitted == [
+        (
+            "tamq:repo-b",
+            f"#repo-a: first\\x0asecond [{message_id}]",
+        )
+    ]
+    assert store.list()[0]["state"] == "injected"
+
+
+def test_failed_pushy_submission_remains_pending(tmp_path, monkeypatch):
+    store = Store(tmp_path / "queue.sqlite3")
+    store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"], "pushy")
+    store.add("repo-a", "repo-b", "continue")
+
+    class FailingControl(FakeControl):
+        def submit(self, window, text):
+            raise RuntimeError("tmux rejected input")
+
+    monkeypatch.setattr("tamq.service.ControlModeClient", FailingControl)
+    Service(store=store)._deliver_once()
+
+    assert store.list()[0]["state"] == "pending"
+
+
 def test_service_writes_output_once_and_retains_pending_ack(tmp_path, monkeypatch):
     store = Store(tmp_path / "queue.sqlite3")
     store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"], "output")