fix(usage): add missing await on getAdapter() in getRecentLogs

getAdapter() is async; without await, db was a Promise so db.all() threw
and the outer try/catch returned [] silently — usage logs endpoints
(/api/usage/logs, /api/usage/request-logs) always returned empty data.

Co-Authored-By: Claude <noreply@anthropic.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/db/repos/usageRepo.js

@@ -700,7 +700,7 @@ export async function appendRequestLog() {}
 
 export async function getRecentLogs(limit = 200) {
   try {
-    const db = getAdapter();
+    const db = await getAdapter();
     const rows = db.all(
       `SELECT timestamp, provider, model, connectionId, promptTokens, completionTokens, status, tokens FROM usageHistory ORDER BY id DESC LIMIT ?`,
       [limit],