Updated PRD_COMMUNITIES.md: - Moved subscription indexing from "Alpha Blockers" to "Completed" section - Documented all 8 fixes implemented (collection name bug, contentVisibility, production consumer, migration, atomic counts, DELETE ops, idempotency, atProto compliance) - Updated impact section: AppView indexing ✅, feed generation enabled ✅, accurate subscriber counts ✅ - Added testing coverage: 13 integration tests, enhanced E2E tests - Updated "Last Updated" date to 2025-10-16 - Added file references for all implementation components Updated PRD_BACKLOG.md: - Marked "Subscription Visibility Level (Feed Slider)" as ✅ COMPLETE - Changed status from "P1: ALPHA BLOCKER" to "✅ DONE" - Added completion date: 2025-10-16 - Documented complete solution with all files modified - Listed impact: Users can now adjust feed volume per community Impact on Alpha Launch: - ✅ Critical alpha blocker resolved - ✅ Feed generation infrastructure ready - ✅ ContentVisibility (1-5 scale) fully implemented - Remaining blocker: Community blocking feature 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>