fix: use logo-signin, consolidate plane asset, fix home marker on resize

- Sign-in page now uses logo-signin.png
- World map animation uses airplane.png; remove unused animationPlane.png
- Re-project home marker on map resize so it stays correct when stats panel collapses

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

.claude/launch.json

@@ -3,7 +3,7 @@
   "configurations": [
     {
       "name": "Map-Jurnal",
-      "cwd": "/Users/haerikim/Desktop/SP Map Journal/Map-Jurnal",
+      "cwd": ".",
       "runtimeExecutable": "npm",
       "runtimeArgs": ["run", "dev"],
       "port": 5173,