[Frontend] Add a shared realtime web UI for MiniCPM-o and Qwen3-Omni (#7222) (#7585)

Signed-off-by: amy-why-3459 <wuhaiyan17@huawei.com>

tests/engine/duplex/test_session_manager.py

@@ -196,7 +196,7 @@ class FakePlugin(DuplexModelPlugin):
 
     def capabilities(self, *, max_sessions: int) -> DuplexCapabilities:
         del max_sessions
-        return DuplexCapabilities(supports_input_append=True)
+        return DuplexCapabilities(supports_input_append=True, supports_core_resumable_request=True)
 
     def validate_client_extra_body(self, extra_body: object) -> None:
         pass
@@ -408,7 +408,9 @@ async def test_open_answers_with_capabilities_and_emits_session_created() -> Non
         assert result.control_id == "open-sid-open"
         assert result.session_id == "sid-open"
         assert result.lease_generation == 0
-        assert result.capabilities == DuplexCapabilities(supports_input_append=True)
+        assert result.capabilities == DuplexCapabilities(
+            supports_input_append=True, supports_core_resumable_request=True
+        )
         assert result.public_session is not None
         assert result.public_session["id"] == "sid-open"
         assert result.public_session["voice"] == "test"