Complete copyright and source layout corrections, analyze optional PowerShell tools, add privacy-safe structured failure diagnostics, and close a test-stream ownership gap.
Validation: enabled Checkstyle and clean compilation with 39 server, 6 HTTP demo and 18 optional Record Files cases passing in an isolated coherent API1.10 snapshot. Production and physical acceptance gates remain explicit.
Co-Authored-By: Codex <noreply@openai.com>