docs(workspace): record the migrated project-memory location

documentation/runbooks/workspace-CLAUDE.md

@@ -52,6 +52,14 @@ build/deploy/publish runbooks), **`felhom-ui-design`** (design-system v2 tokens/
 authoring workflow). Source of truth: `felhom.eu/skills/`; install/update with
 `python3 felhom.eu/scripts/install_skills.py` (symlink — repo edits are live immediately).
 
+## Memory
+
+The accumulated project memory (119 files) migrated from the Windows workstation lives at
+`/mnt/5_hdd/felhom.eu/git/.claude-memory/`, surfaced to Claude Code via
+`~/.claude/projects/-mnt-5-hdd-felhom-eu-git/memory` (symlink). `MEMORY.md` there is the index.
+Memories reflect what was true when written — verify a named file/flag still exists before acting
+on it.
+
 ## Artifact taxonomy (READ THIS — it prevents the "what do I do?" stall)
 
 The planning/architecture assistant (in claude.ai, "project Claude") produces files with distinct roles. **A file being open in the editor is NOT an instruction. If no task is stated, ask.**