Implement start for review item description processor (#19352)

* Add review item data transmission

* Publish review updates

* Add review item subscriber

* Basic implementation for testing review processor

* Formatting

frigate/data_processing/post/review_descriptions.py

@@ -0,0 +1,25 @@
+"""Post processor for review items to get descriptions."""
+
+import logging
+from typing import Any
+
+from frigate.data_processing.types import PostProcessDataEnum
+
+from ..post.api import PostProcessorApi
+
+logger = logging.getLogger(__name__)
+
+
+class ReviewDescriptionProcessor(PostProcessorApi):
+    def __init__(self, config, metrics):
+        super().__init__(config, metrics, None)
+        self.tracked_review_items: dict[str, list[Any]] = {}
+
+    def process_data(self, data, data_type):
+        if data_type != PostProcessDataEnum.review:
+            return
+
+        logger.info(f"processor is looking at {data}")
+
+    def handle_request(self, request_data):
+        pass