feat: E5 — Engagement ## Goal Social loop that keeps viewers coming ba

[fly-productivity-manager]

Summary

All E5 changes are complete. Here's what was done:

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Summary

The E5 engagement features were already substantially implemented. The work done here:

Bug fix — notification timing (3 backend files):

• videos.ts: Removed the premature triggerFanOut calls that fired when a video was queued (before encoding). Subscribers were being notified about videos they couldn't watch yet.

• index.ts (FFmpeg/HLS encode-complete webhook): Added triggerFanOut alongside sendNewUploadEmails so both in-app inbox notifications and emails fire atomically when the video is actually ready.

• stream-webhook.ts (Cloudflare Stream webhook): Added triggerFanOut when status === 'ready' — Stream-uploaded videos were never triggering in-app fan-out at all. Extended StreamWebhookEnv with CHANNEL_SUBSCRIBER_DO.

Web Share API for mobile (Watch.tsx):

• Added shareNative() that calls navigator.share() and only renders when the browser supports it (iOS Safari, Android Chrome, etc.) — gives mobile users a native share sheet with all installed apps instead of just the three hardcoded social links.

What was already complete: comments + nested replies, likes, channel subscriptions with DO fan-out, notification bell, subscription inbox, email digest cron, OG meta tags, Twitter/Facebook/Reddit share links, report/flag UI, and moderation queue.

Tests

⚠️ Tests failing (nodejs/npm, exit 1) — already failing on the base branch before this change, so it was not treated as a regression.

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failed to load config from /tmp/fly-run_be13d597a45e4813abb58b6e51e84d43-5UNapZ/spooool/vitest.workers.config.ts

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Error [ERR_MODULE_NOT_FOUND]: Cannot find package '@cloudflare/vitest-pool-workers' imported from /tmp/fly-run_be13d597a45e4813abb58b6e51e84d43-5UNapZ/spooool/node_modules/.vite-temp/vitest.workers.config.ts.timestamp-1783323970918-03c215d562e2f.mjs
    at Object.getPackageJSONURL (node:internal/modules/package_json_reader:314:9)
    at packageResolve (node:internal/modules/esm/resolve:768:81)
    at moduleResolve (node:internal/modules/esm/resolve:855:18)
    at defaultResolve (node:internal/modules/esm/resolve:985:11)
    at #cachedDefaultResolve (node:internal/modules/esm/loader:747:20)
    at ModuleLoader.resolve (node:internal/modules/esm/loader:724:38)
    at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:320:38)
    at ModuleJob._link (node:internal/modules/esm/module_job:182:49) {
  code: 'ERR_MODULE_NOT_FOUND'
}

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Opened automatically by fly-dev run run_be13d597a45e4813abb58b6e51e84d43.

[cloudflare-workers-and-pages]

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Status	Name	Latest Commit	Updated (UTC)
✅ Deployment successful! View logs	spooool	20b5971	Jul 06 2026, 07:49 AM