feat: add demo content (7 Japan/Korea entries) and update summary

Demo covers: Tokyo × 2, Mt. Fuji (snow), Kyoto, Nara, Osaka, Seoul.
All entries have GPS — shows full map route, 2-country stats, weather
variety including snow. Deploy/reset instructions in docs/demo/README.md.

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

docs/summary.md

@@ -55,5 +55,36 @@ Three links in site header: **Journal · Map · Stats**
 
 ---
 
+---
+
+## UI Redesign (2026-06-18)
+
+Design direction: **Field Notes** — editorial travel journal aesthetic, not social app.
+
+- **Typography:** DM Serif Display (headings) + DM Sans (UI/body) — loaded via Google Fonts
+- **Accent color:** Deep teal `#1F6B5A` (replaces generic blue)
+- **Background:** Warm paper `#F7F5F2`
+- **Signature element:** Full-bleed 16:9 hero photos on feed cards with translucent date/location overlay
+- **Design tokens:** `user/themes/intotheeast/css/tokens.css` — single source of truth for all values
+- **Post form:** GPS lat/lng fields hidden from UI (filled by JS), cleaner status feedback
+- **Design spec:** `user/docs/design/design-spec.md`
+- **Implementation plan:** `user/docs/superpowers/plans/2026-06-18-ui-redesign.md`
+
+---
+
+## Demo Content
+
+Seven sample entries for design/QA showcasing: feed, map route, stats, weather variety (including snow).
+
+```bash
+# Deploy demo content
+cp -r user/docs/demo/tracker/. user/pages/01.tracker/
+docker exec intotheeast_grav bash -c "cd /app/www/public && php bin/grav clearcache"
+```
+
+Full instructions: `user/docs/demo/README.md`
+
+---
+
 ## What Was Skipped
 Background GPS tracking, social features, video reels, 3D flyover, printed books, AI itinerary builder — all require native apps or don't suit a solo personal blog. Full reasoning in `docs/pm-analysis.md`.