Add question-reframing guidance to CLAUDE.md; commit accumulated project files

- CLAUDE.md: add "Question the question" and "One clarifying question" rules
  to Tone and Interaction — XY problem detection, false premise checks, and
  explicit reframe pattern before answering
- Add claude/ detail-file directory (topic docs referenced from CLAUDE.md)
- Add ABOUT.md, FUTURE.md
- Update memory/, scripts/, settings.yaml with accumulated session changes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

memory/.reflection-state.json

@@ -0,0 +1,7 @@
+{
+  "version": 1,
+  "last_run": "2026-04-19T09:51:20Z",
+  "processed": {
+    "log/2026-04-13.140716.md": "a2e7bfbbe892117df48526fb236ea367"
+  }
+}