James MaesandGPT-6 Codex
2186561950
Allow local PDF blob reads in standalone CSP and preview signed attachment PDFs without forwarding credentials. Make static export portable on Windows, bound test workers, cover transfer cancellation and size limits, and update integration evidence. Full coverage gates, 12 browser scenarios, live file/PDF flows, lint, typecheck and snapshot packaging pass. Co-Authored-By: GPT-6 Codex <noreply@openai.com>