feat: implement PocketBase database schema setup script and core API service for content management

src/lib/api.js

@@ -30,11 +30,11 @@ export const anthropicApi = {
           headers: {
             'Content-Type': 'application/json',
             'anthropic-version': '2023-06-01',
-            'anthropic-dangerous-direct-browser-access': 'true'
           },
           body: JSON.stringify({
             model: model,
             max_tokens: 4000,
+            temperature: 0,
             system: systemPrompt,
             messages: [{ role: 'user', content: userMessage }]
           })

src/lib/db.js

@@ -205,7 +205,8 @@ export async function setLearnDone(userId, weekNumber) {
 // ── Leaderboard ───────────────────────────────────────────────────────────────
 
 export async function getLeaderboard() {
-  return pb.collection('leaderboard').getFullList({ sort: '-points' });
+  const entries = await pb.collection('leaderboard').getFullList();
+  return entries.sort((a, b) => (b.points || 0) - (a.points || 0));
 }
 
 export async function upsertLeaderboardEntry(userId, name, pointsDelta, testsCompletedDelta = 0) {

src/pages/Admin/index.jsx

@@ -104,7 +104,7 @@ const Admin = () => {
                         <div>
                           <p className="font-medium">{source.name}</p>
                           <p className="text-xs text-fg-muted flex items-center gap-1 mt-1">
-                            <Clock size={12} /> {new Date(source.created).toLocaleString()}
+                            <Clock size={12} /> {source.created ? new Date(source.created).toLocaleString() : '—'}
                           </p>
                         </div>
                       </div>