Archived specs

The previous live doc pile was removed from this branch so agents stop implementing from it.

Full prior text is on main at commit 13bfa792. That includes ARCHITECTURE, CONTENT-WOO, DATA-MODEL, DEPLOYMENT, IMPL-PLAN, OPENAPI, PROMPTS, TECH-SPEC-PIPELINE, TEST-SPEC, UAT-PRACTICE, UX, UX-DESIGN.

PRD-2026-08.txt in this folder was already archive before this branch.