docs: add glossary

Author: OgeonX-Ai

docs/methodology/glossary.md

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+# Glossary
+
+## AI-OS
+
+AI Engineering Operating System. A repeatable operating model for AI-assisted software engineering.
+
+## Loop
+
+A controlled cycle of plan, work, verify, and improve.
+
+## Verifier
+
+A check that provides evidence. Examples: build, tests, lint, link check, review, or benchmark.
+
+## Fan-out
+
+Splitting analysis across specialist roles.
+
+## Fan-in
+
+Combining specialist outputs into one coherent plan.
+
+## Human approval gate
+
+A checkpoint before public, risky, costly, or broad work.
+
+## Project memory
+
+Durable notes that preserve decisions, lessons, conventions, and recurring failure patterns.
+
+## Canonical docs
+
+The repository `/docs` tree. Wiki pages are navigation mirrors.