v2.6.2 — TREK Rebrand, OSM Enrichment, File Management, Hotel Bookings & Bug Fixes

Rebrand:
- NOMAD → TREK branding across all UI, translations, server, PWA manifest
- New TREK logos (dark/light, with/without icon)
- Liquid glass toast notifications

Bugs Fixed:
- HTTPS redirect now opt-in only (FORCE_HTTPS=true), fixes #33 #43 #52 #54 #55
- PDF export "Tag" fallback uses i18n, fixes #15
- Vacay sharing color collision detection, fixes #25
- Backup settings import fix (PR #47)
- Atlas country detection uses smallest bounding box, fixes #31
- JPY and zero-decimal currencies formatted correctly, fixes #32
- HTML lang="en" instead of hardcoded "de", fixes #34
- Duplicate translation keys removed
- setSelectedAssignmentId crash fixed

New Features:
- OSM enrichment: Overpass API for opening hours, Wikimedia Commons for photos
- Reverse geocoding on map right-click to add places
- OIDC config via environment variables (OIDC_ISSUER, OIDC_CLIENT_ID, etc.), fixes #48
- Multi-arch Docker build (ARM64 + AMD64), fixes #11
- File management: star, trash/restore, upload owner, assign to places/bookings, notes
- Markdown rendering in Collab Notes with expand modal, fixes #17
- Type-specific booking fields (flight: airline/number/airports, hotel: check-in/out/days, train: number/platform/seat), fixes #35
- Hotel bookings auto-create accommodations, bidirectional sync
- Multiple hotels per day with check-in/check-out color coding
- Ko-fi and Buy Me a Coffee support cards
- GitHub releases proxy with server-side caching

client/src/index.css

@@ -337,7 +337,7 @@ body {
 }
 
 /* Brand images: no save/copy/drag */
-img[alt="NOMAD"] {
+img[alt="TREK"] {
   pointer-events: none;
   user-select: none;
   -webkit-user-select: none;
@@ -460,3 +460,23 @@ img[alt="NOMAD"] {
   align-items: center;
   justify-content: center;
 }
+
+/* Markdown in Collab Notes */
+.collab-note-md strong, .collab-note-md-full strong { font-weight: 700 !important; }
+.collab-note-md em, .collab-note-md-full em { font-style: italic !important; }
+.collab-note-md h1, .collab-note-md h2, .collab-note-md h3 { font-weight: 700 !important; margin: 0; }
+.collab-note-md-full h1 { font-size: 1.3em !important; font-weight: 700 !important; margin: 0.8em 0 0.3em; }
+.collab-note-md-full h2 { font-size: 1.15em !important; font-weight: 700 !important; margin: 0.8em 0 0.3em; }
+.collab-note-md-full h3 { font-size: 1em !important; font-weight: 700 !important; margin: 0.8em 0 0.3em; }
+.collab-note-md p, .collab-note-md-full p { margin: 0 0 0.3em; }
+.collab-note-md ul, .collab-note-md-full ul { list-style-type: disc !important; padding-left: 1.4em !important; margin: 0.2em 0; }
+.collab-note-md ol, .collab-note-md-full ol { list-style-type: decimal !important; padding-left: 1.4em !important; margin: 0.2em 0; }
+.collab-note-md li, .collab-note-md-full li { display: list-item !important; margin: 0.1em 0; }
+.collab-note-md code, .collab-note-md-full code { font-size: 0.9em; padding: 1px 5px; border-radius: 4px; background: var(--bg-secondary); }
+.collab-note-md-full pre { padding: 10px 12px; border-radius: 8px; background: var(--bg-secondary); overflow-x: auto; margin: 0.5em 0; }
+.collab-note-md-full pre code { padding: 0; background: none; }
+.collab-note-md a, .collab-note-md-full a { color: #3b82f6; text-decoration: underline; }
+.collab-note-md blockquote, .collab-note-md-full blockquote { border-left: 3px solid var(--border-primary); padding-left: 12px; margin: 0.5em 0; color: var(--text-muted); }
+.collab-note-md-full table { border-collapse: collapse; width: 100%; margin: 0.5em 0; }
+.collab-note-md-full th, .collab-note-md-full td { border: 1px solid var(--border-primary); padding: 4px 8px; font-size: 0.9em; }
+.collab-note-md-full hr { border: none; border-top: 1px solid var(--border-primary); margin: 0.8em 0; }