test database privilige and index + delete ep packets

frontend/src/api/apiClient.ts

@@ -159,6 +159,12 @@ export const fetchPackets = async (limit = 100): Promise<any> => {
   return res.data;
 };
 
+export const clearPackets = async (): Promise<any> => {
+  // limit default mirrors OpenAPI default
+  const res = await api.delete('/packets/packets');
+  return res.data;
+};
+
 /* -------------------------
    Firewall
    ------------------------- */

frontend/src/components/PacketViewer.tsx

@@ -1,5 +1,5 @@
 // src/components/PacketViewer.tsx
-import { DownloadOutlined, SyncOutlined } from '@ant-design/icons';
+import { DeleteOutlined, DownloadOutlined, SyncOutlined } from '@ant-design/icons';
 import {
   Button,
   Card,
@@ -17,7 +17,7 @@ import {
   message,
 } from 'antd';
 import { ReactElement, useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import { fetchPackets } from '../api/apiClient';
+import { clearPackets, fetchPackets } from '../api/apiClient';
 
 const { Text } = Typography;
 const { Option } = Select;
@@ -434,6 +434,7 @@ export default function PacketViewer(): ReactElement {
             <Switch checked={!paused} onChange={(checked) => handlePauseToggle(!checked ? true : false)} />
 
             <Button icon={<SyncOutlined />} onClick={handleRefresh} loading={statusLoading} />
+            <Button onClick={() => clearPackets()} danger icon={<DeleteOutlined />} />
           </Space>
         </Col>
       </Row>

setup_database.sh

@@ -89,9 +89,17 @@ GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO $DB_USER;
 -- Grant sequence permissions (needed for SERIAL / BIGSERIAL)
 GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO $DB_USER;
 
+-- Change ownership to ensure the user can manage the table
+ALTER TABLE packets OWNER TO $DB_USER;
+ALTER SEQUENCE packets_id_seq OWNER TO $DB_USER;
+
 -- Ensure future tables & sequences also get permissions
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO $DB_USER;
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT USAGE, SELECT, UPDATE ON SEQUENCES TO $DB_USER;
+
+-- Create indexes for faster queries
+CREATE INDEX IF NOT EXISTS idx_packets_timestamp ON packets(timestamp DESC);
+CREATE INDEX IF NOT EXISTS idx_packets_src_ip ON packets(src_ip);
 EOF
 
 echo "Done. PostgreSQL is ready for LAN + localhost connections."