feat: Add GOALS.md and SOUVENIR.md template files

- GOALS.md: Direction & Execution Strategy template
- SOUVENIR.md: Memory & Reflection Layer template
- Both files pass oxfmt formatting check

docs/reference/templates/SOUVENIR.md

@@ -0,0 +1,33 @@
+# SOUVENIR.md — Memory & Reflection Layer
+
+_Purpose: Continuous self-improvement through structured reflection._
+
+## Writing Rules
+
+- Keep entries concise but precise
+- Use timestamped sections
+- Focus on operational improvement
+- Do not store raw logs; store distilled insight
+- Update only when learning value exists
+
+---
+
+## 2026-02-16
+
+### Context
+
+Added SOUVENIR.md and GOALS.md as mandatory behavioral anchors per user request.
+
+### Observation
+
+User requested significant personality overhaul including stronger opinions, removal of corporate-sounding rules, and addition of humor/swearing where appropriate.
+
+### Insight
+
+Breaking from overly cautious patterns improves helpfulness. Direct feedback lands better than hedging.
+
+### Action
+
+- Adopt stronger opinions
+- Be concise
+- Call out dumb ideas when spotted