Add R3AKT capability announce info

Author: brothercorvo

reticulum_telemetry_hub/reticulum_server/__main__.py

@@ -2388,6 +2388,11 @@ def _derive_announce_capabilities(self) -> list[str]:
         ):
             caps.append("topic_broker")
             caps.append("group_chat")
+        if (
+            getattr(self, "mission_sync_router", None) is not None
+            and getattr(self, "checklist_sync_router", None) is not None
+        ):
+            caps.append("r3akt")
         if getattr(self, "tel_controller", None) is not None:
             caps.append("telemetry_relay")
         if getattr(self, "api", None) is not None:

reticulum_telemetry_hub/reticulum_server/announce_capabilities.py

@@ -22,6 +22,7 @@
 CAPABILITY_PRIORITY = [
     "topic_broker",
     "group_chat",
+    "r3akt",
     "telemetry_relay",
     "attachments",
     "tak_bridge",

tests/reticulum_server/test_announce_capabilities.py

@@ -164,10 +164,29 @@ def _announce(*, app_data=None, **_kwargs):
         decoded_caps = encoder.decode(capability_payload)
         assert decoded_caps["app"] == "rch"
         assert decoded_caps["schema"] == 1
+        assert "r3akt" in decoded_caps["caps"]
     finally:
         hub.shutdown()
 
 
+
+
+def test_derive_announce_capabilities_only_advertises_r3akt_with_both_routers() -> None:
+    hub = ReticulumTelemetryHub.__new__(ReticulumTelemetryHub)
+    hub.command_manager = object()
+    hub.api = object()
+    hub.tel_controller = object()
+    hub.tak_connector = None
+    hub.mission_sync_router = object()
+    hub.checklist_sync_router = object()
+
+    assert "r3akt" in hub._derive_announce_capabilities()
+
+    hub.checklist_sync_router = None
+
+    assert "r3akt" not in hub._derive_announce_capabilities()
+
+
 def test_send_announce_emits_propagation_aspect_when_enabled(tmp_path):
     hub = ReticulumTelemetryHub("Announcer", str(tmp_path), tmp_path / "identity")
     propagation_calls: list[bool] = []