Promotes `viewCounts` to required on the videoView record and has the model return a zero-valued summary (count=0, reporters=0) rather than nil when no place.stream.media.viewCount records have been indexed yet. UIs can render the count unconditionally — no special-case for "data exists" vs "no data". Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>