server: add dummy diarization and fixes instanciation

server/reflector/processors/audio_diarization.py

@@ -0,0 +1,28 @@
+from reflector.processors.base import Processor
+from reflector.processors.types import AudioDiarizationInput, TitleSummary
+
+
+class AudioDiarizationProcessor(Processor):
+    INPUT_TYPE = AudioDiarizationInput
+    OUTPUT_TYPE = TitleSummary
+
+    async def _push(self, data: AudioDiarizationInput):
+        diarization = await self._diarize(data)
+
+        # now reapply speaker to topics (if any)
+        # topics is a list[BaseModel] with an attribute words
+        # words is a list[BaseModel] with text, start and speaker attribute
+
+        # mutate in place
+        for topic in data.topics:
+            for word in topic.transcript.words:
+                for d in diarization:
+                    if d["start"] <= word.start <= d["end"]:
+                        word.speaker = d["speaker"]
+
+        # emit them
+        for topic in data.topics:
+            await self.emit(topic)
+
+    async def _diarize(self, data: AudioDiarizationInput):
+        raise NotImplementedError