chore(docs+tests): complete T05 + T06 for CYA-WP-0002. All 6 tasks done. README Memory section, AGENTS update, full test coverage for real memory + safety. Workplan retired.

AGENTS.md

@@ -175,7 +175,11 @@ cya "your natural language request here"
 cya --help
 cya --explain-context "show me what context would be collected"
 
-# Tests (safety-focused, no LLM required)
+# Memory is now real (T02)
+# Preferences persist in ~/.config/cya/memory/<scope>.json (user-controlled JSON)
+cya "remember that I always want --short --branch on git status"
+
+# Tests (safety + memory)
 python -m pytest tests/ -q
 # or: pytest tests/ -q
 
@@ -189,6 +193,8 @@ No formal lint or build system yet (ruff is configured in pyproject.toml but not
 
 Current primary entry point: `cya` (after editable install).
 
+Memory workplan: `workplans/CYA-WP-0002-memory-integration-roadmap.md`
+
 ## Workplan Convention
 
 Work items originate as files in this repo. The hub is a read/cache/index