Improves calendar event rendering and UX

Refactors calendar rendering for improved user experience and performance.

- Removes unused function for rendering week content directly, streamlining the rendering process.
- Updates mock events to better reflect realistic all-day events.
- Adds file system search permission to claude settings.
- Removes console logs in scroll and navigation managers.

.claude/settings.local.json

@@ -4,7 +4,8 @@
     "allow": [
       "Bash(npm run build:*)",
       "Bash(powershell:*)",
-      "Bash(rg:*)"
+      "Bash(rg:*)",
+      "Bash(find:*)"
     ],
     "deny": []
   }