feat: integrate AI features for question generation and tutoring

- Added AI routes for generating questions, providing hints, and tutor chat functionality.
- Implemented AI client setup and model retrieval in aiClient.ts.
- Created aiAssist.ts for handling AI-related operations including question generation and hint retrieval.
- Updated services to utilize the new AI client and assist functions.
- Enhanced frontend components to support AI question generation and tutor chat, including UI for generating questions and displaying hints.
- Added localization strings for new AI features in English and Dutch.
- Updated exam review process to include AI-generated hints and tutor chat functionality.

.claude/settings.local.json

@@ -36,7 +36,14 @@
       "Bash(git -C \"c:/Users/laure/Documents/Gitea/brainwave\" log --oneline origin/main..HEAD)",
       "Bash(grep -E \"\\\\.tsx$\")",
       "Bash(Get-ChildItem -Path \"c:\\\\Users\\\\Laurens Bartelds\\\\Documents\\\\Gitea\\\\brainwave\" -Force)",
-      "Bash(Select-Object Name)"
+      "Bash(Select-Object Name)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" stash list)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" stash pop)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" diff --stat HEAD)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" checkout -- .claude/settings.local.json)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" diff HEAD -- frontend/src/components/Overview.tsx)",
+      "Bash(npm test *)",
+      "Bash(git -C \"c:/Users/Laurens Bartelds/Documents/Gitea/brainwave\" diff HEAD -- backend/src/validators/adminSchemas.ts backend/src/validators/adminSchemas.test.ts)"
     ]
   }
 }