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# Live stream view fixes and identifiers

> Resolved a 404 error when opening individual live-stream views, plus new identifier fields available as filter and breakdown parameters.

A batch of changes hardened analytics for live streams.

* Fixed a 404 page-not-found error that surfaced when opening individual live-stream views.
* Added `fp_live_stream_id`, `media_id`, `fp_playback_id` and `view_has_ad` as allowed filter and breakdown parameters on metrics, views and errors APIs.
* The `playbackId` is now extracted from the `vdsour` URL during Flink processing, so it is reliably present even when the player didn't report it explicitly.
* The Device Distribution query was rewritten to fix a "view not counted" bug for some live-stream sessions.