rdmbair15m5-changelog-20260822-0416-cloudtty-prd-and-visual-studio

Comprehensive PRD, architectural specification, and visual macOS studio for CloudTTY (Apple iCloud & CloudKit Log Debugger and Sync Diagnostic Studio).

Scope

• Host: rdmbair15m5
• Application: CloudTTY (cloudtty.app)

Exact files created on ~/Desktop/

• ~/Desktop/cloudtty_prd_and_architecture_v822.md (PRD, subsystem catalog, CKErrorDecoder, brctl integration)
• ~/Desktop/cloudtty_visual_studio_v822.html (Visual macOS window render with 5-stage sync pipeline, live conflict table, stuck .icloud detector, and brctl console)

Key Technical Systems Addressed

1. iCloud & CloudKit Subsystems: com.apple.bird, com.apple.cloudkit, com.apple.FileProvider, com.apple.apsd, com.apple.accountsd, com.apple.nsurlsessiond.
2. CKErrorDecoder: Decoding CKErrorDomain Code=14 (ServerRecordChanged), Code=7 (RequestRateTooHigh with backoff), Code=9 (NetworkUnavailable), and Code=11 (ZoneNotFound).
3. Stuck File Remediation: Scans for .icloud ghost files and provides 1-click brctl download, brctl evict, and brctl diagnose.

Verification Evidence

• Verified valid Markdown and interactive HTML5 studio files created on ~/Desktop/.