Api docs updates (#20388)

* Update classification API docs

* Add information to events api

* Fix tag

* Add exports

* Add generic response to model for classification apis

* Add preview API information

* Cleanup

* Cleanup

frigate/api/defs/response/export_response.py

@@ -0,0 +1,30 @@
+from typing import List, Optional
+
+from pydantic import BaseModel, Field
+
+
+class ExportModel(BaseModel):
+    """Model representing a single export."""
+
+    id: str = Field(description="Unique identifier for the export")
+    camera: str = Field(description="Camera name associated with this export")
+    name: str = Field(description="Friendly name of the export")
+    date: float = Field(description="Unix timestamp when the export was created")
+    video_path: str = Field(description="File path to the exported video")
+    thumb_path: str = Field(description="File path to the export thumbnail")
+    in_progress: bool = Field(
+        description="Whether the export is currently being processed"
+    )
+
+
+class StartExportResponse(BaseModel):
+    """Response model for starting an export."""
+
+    success: bool = Field(description="Whether the export was started successfully")
+    message: str = Field(description="Status or error message")
+    export_id: Optional[str] = Field(
+        default=None, description="The export ID if successfully started"
+    )
+
+
+ExportsResponse = List[ExportModel]