Cleanup: no more sentence aggregator, let the TTS service deal with that; also removed the queue typing stuff from ai_services

src/dailyai/queue_frame.py

@@ -2,16 +2,14 @@ from enum import Enum
 from dataclasses import dataclass
 
 class FrameType(Enum):
+    NOOP = -1
     START_STREAM = 0
     END_STREAM = 1
     AUDIO = 2
     IMAGE = 3
-    SENTENCE = 4
-    TEXT_CHUNK = 5
-    LLM_MESSAGE = 6
-    APP_MESSAGE = 7
-    IMAGE_DESCRIPTION = 8
-    TRANSCRIPTION = 9
+    TEXT = 4
+    LLM_MESSAGE = 5
+    APP_MESSAGE = 6
 
 @dataclass(frozen=True)
 class QueueFrame: