feat: migrate from static config to database and add authentication

- Replaced static hosts.json and staticConfig.ts with SQLite database (Prisma)

- Implemented JWT authentication and Login UI

- Added dynamic API routes for hosts, topology, and settings

- Updated UI components to fetch and manage state dynamically

- Added Settings interface for managing hosts and topology nodes

server/routes/terminal.ts

@@ -18,7 +18,7 @@ router.post('/terminal/exec', async (req, res) => {
       return res.status(400).json({ error: 'Missing host or command' });
     }
 
-    const hosts = getHostConfigs();
+    const hosts = await getHostConfigs();
     const hostConfig = hosts.find(h => h.name === hostName);
     
     if (!hostConfig) {
@@ -44,7 +44,7 @@ router.post('/terminal/exec', async (req, res) => {
 
 router.get('/terminal/hosts', async (_req, res) => {
   try {
-    const hosts = getHostConfigs();
+    const hosts = await getHostConfigs();
     res.json({ 
       hosts: hosts.map(h => ({
         name: h.name,