Syncs video performance metrics (views, likes, comments) from YouTube
API to YouTubeContent.performance fields. Supports batch processing
with 50-video API limit, credential validation, and per-batch error
handling.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Syncs channel-level statistics (subscribers, views, video count) from
YouTube Data API to YouTubeChannels.currentMetrics fields for all active
channels. Follows the same credential-loading pattern as existing sync
services.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add batch video statistics retrieval method that fetches view counts,
like counts, and comment counts for up to 50 videos per request.
Includes unit tests covering normal operation, empty input, missing
statistics defaults, null API response, and error propagation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add youtube.upload and yt-analytics.readonly scopes to enable video
uploading and analytics data retrieval in the YouTube Operations Hub.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
