fix(audit): increase default audit log limit from 1000 to 10000

- Dashboard was frozen at 1000 decisions
- Actual total is 3281 decisions
- Increased limit to 10000 to show all audit data
- Chart scaling already handles large datasets properly

src/controllers/audit.controller.js

@@ -29,7 +29,7 @@ const logger = require('../utils/logger.util');
  */
 async function getAuditLogs(req, res) {
   try {
-    const { days = 7, limit = 1000 } = req.query;
+    const { days = 7, limit = 10000 } = req.query;
 
     // Calculate date range
     const today = new Date();