diff --git a/.claude/skills/feature/SKILL.md b/.claude/skills/feature/SKILL.md
index d996f0773..f69e6898d 100644
--- a/.claude/skills/feature/SKILL.md
+++ b/.claude/skills/feature/SKILL.md
@@ -88,6 +88,10 @@ If an action affects another user:
 - [ ] Actions affecting other users trigger email (if configured)
 - [ ] Templates created for each email type
 
+### 8b. Elegance check
+
+For non-trivial changes: pause and ask yourself "is there a simpler or more elegant approach?" If the current implementation feels hacky, refactor before proceeding.
+
 ### 9. Run `/verify`
 
 ### 10. Run `/pull-request`
diff --git a/AGENTS.md b/AGENTS.md
index 90946f3aa..e6d3d2284 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -22,3 +22,8 @@ Use `.github/prompts/*` as task playbooks:
 | Naming | `.github/prompts/naming.prompt.md` |
 | PR | `.github/prompts/pull-request.prompt.md` |
 
+## Workflow rules
+
+- After any user correction, evaluate if the mistake pattern belongs in `ERRORS.md`
+- Investigate and fix bugs autonomously — don't ask for hand-holding
+- For non-trivial tasks, plan before coding
diff --git a/CLAUDE.md b/CLAUDE.md
index a9967ce8a..07743a821 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -65,6 +65,7 @@ Node / Express / Mongoose / JWT stack from Devkit. Standalone backend or fullsta
 - Keep changes minimal and merge-friendly for downstream
 - Every function: JSDoc header (`@param`, `@returns`)
 - PRs: always use `/pull-request` — never open manually
+- After user correction, evaluate if the pattern belongs in `ERRORS.md`
 
 ## Skills