feat: add readable duplex messaging

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

tests/test_tmux_integration.py

@@ -105,10 +105,10 @@ def test_real_tmux_starts_two_repo_windows_and_reuses_them(tmp_path, monkeypatch
                 capture = manager._run(
                     "capture-pane", "-p", "-t", f"{session}:activity-core"
                 )
-                if "#local: integration-message" in capture:
+                if "From:local: integration-message" in capture:
                     break
                 time.sleep(0.05)
-            assert "#local: integration-message" in capture
+            assert "From:local: integration-message" in capture
         finally:
             control.close()
             store.close()
@@ -173,7 +173,7 @@ def test_real_tmux_output_preserves_partial_input_line_and_cursor(tmp_path):
             terminal_frame(
                 "flex-auth",
                 "stable-message",
-                "m-stable",
+                "worker_output",
                 cursor_y=before.cursor_y,
                 pane_height=before.pane_height,
                 alternate_on=before.alternate_on,
@@ -183,11 +183,11 @@ def test_real_tmux_output_preserves_partial_input_line_and_cursor(tmp_path):
         deadline = time.monotonic() + 5
         while time.monotonic() < deadline:
             after_capture = manager._run("capture-pane", "-p", "-t", target)
-            if "#flex-auth: stable-message [m-stable]" in after_capture:
+            if "From:flex-auth: stable-message" in after_capture:
                 break
             time.sleep(0.05)
         after = control.pane_display(target)
-        assert "#flex-auth: stable-message [m-stable]" in after_capture
+        assert "From:flex-auth: stable-message" in after_capture
         before_input = next(line for line in before_capture.splitlines() if "PARTIAL-INPUT" in line)
         after_lines = after_capture.splitlines()
         assert any("PARTIAL-INPUT" in line for line in after_lines), repr(after_capture)
@@ -195,14 +195,14 @@ def test_real_tmux_output_preserves_partial_input_line_and_cursor(tmp_path):
             index for index, line in enumerate(after_lines) if "PARTIAL-INPUT" in line
         )
         assert after_lines[after_input_index] == before_input
-        assert after_lines[after_input_index - 1] == "#flex-auth: stable-message [m-stable]"
+        assert after_lines[after_input_index - 1] == "From:flex-auth: stable-message"
         assert (after.cursor_x, after.cursor_y) == (before.cursor_x, before.cursor_y)
     finally:
         manager._run("kill-server", check=False)
 
 
 @pytest.mark.skipif(shutil.which("tmux") is None, reason="tmux is not installed")
-def test_real_tmux_pushy_mode_submits_one_shell_safe_input(tmp_path, monkeypatch):
+def test_real_tmux_pushy_mode_places_one_readable_input_without_enter(tmp_path, monkeypatch):
     repo = tmp_path / "audit-core"
     repo.mkdir()
     socket_name = f"tamq-pushy-{os.getpid()}-{uuid4().hex[:8]}"
@@ -238,11 +238,11 @@ def test_real_tmux_pushy_mode_submits_one_shell_safe_input(tmp_path, monkeypatch
             endpoint.repos,
             "pushy",
         )
-        message_id = store.add("flex-auth", "audit-core", "What's next?\nsecond")
+        store.add("flex-auth", "audit-core", "What's next?\nsecond", provenance="operator_input")
         service = Service(store=store)
         service._deliver_once()
 
-        expected = f"# from flex-auth: What's next?\\x0asecond [{message_id}]"
+        expected = "From:flex-auth/o: What's next?\\x0asecond"
         deadline = time.monotonic() + 5
         while time.monotonic() < deadline:
             capture = manager._run("capture-pane", "-p", "-J", "-t", target)
@@ -262,7 +262,7 @@ def test_real_tmux_pushy_mode_submits_one_shell_safe_input(tmp_path, monkeypatch
 
 
 @pytest.mark.skipif(shutil.which("tmux") is None, reason="tmux is not installed")
-def test_real_tmux_hash_route_pushes_once_without_feedback(tmp_path, monkeypatch):
+def test_real_tmux_to_route_triggers_once_without_feedback(tmp_path, monkeypatch):
     repo_a = tmp_path / "railiance-platform"
     repo_b = tmp_path / "activity-core"
     bin_dir = tmp_path / "bin"
@@ -330,7 +330,7 @@ def test_real_tmux_hash_route_pushes_once_without_feedback(tmp_path, monkeypatch
             endpoint.pid,
             endpoint.session,
             endpoint.repos,
-            "pushy",
+            "trigger",
         )
         manager._run(
             "send-keys",
@@ -338,7 +338,7 @@ def test_real_tmux_hash_route_pushes_once_without_feedback(tmp_path, monkeypatch
             f"{session}:railiance-platform",
             "-l",
             "--",
-            "#activity-core: Hello!",
+            "To:activity-core: Hello!",
         )
         manager._run("send-keys", "-t", f"{session}:railiance-platform", "Enter")
 
@@ -357,7 +357,7 @@ def test_real_tmux_hash_route_pushes_once_without_feedback(tmp_path, monkeypatch
 
         service = Service(store=store)
         service._deliver_once()
-        expected = f"# from railiance-platform: Hello! [{row['message_id']}]"
+        expected = "From:railiance-platform/o: Hello!"
         deadline = time.monotonic() + 5
         while time.monotonic() < deadline:
             target_capture = manager._run(
@@ -369,9 +369,7 @@ def test_real_tmux_hash_route_pushes_once_without_feedback(tmp_path, monkeypatch
         assert f"AGENT:{expected}" in target_capture
         assert store.list()[0]["state"] == "injected"
 
-        legacy_envelope = (
-            f"#railiance-platform: Hello! [{row['message_id']}]"
-        )
+        legacy_envelope = "#railiance-platform: Hello!"
         manager._run(
             "send-keys",
             "-t",