feat(ui): add type filter toggles

server/config.ts

@@ -0,0 +1,64 @@
+import fs from 'fs';
+import path from 'path';
+import { HostConfig } from './types';
+
+const CONFIG_FILE = path.join(__dirname, 'config.json');
+
+function parseEnvHosts(): HostConfig[] {
+  const hostsEnv = process.env.SSH_HOSTS;
+  if (!hostsEnv) return [];
+
+  const hosts: HostConfig[] = [];
+  const entries = hostsEnv.split(',').map(h => h.trim()).filter(Boolean);
+
+  for (const entry of entries) {
+    const [name, ip] = entry.split(':');
+    if (name && ip) {
+      hosts.push({
+        name: name.trim(),
+        ip: ip.trim(),
+        sshUser: process.env.SSH_USER || 'bear',
+        sshKeyPath: process.env.SSH_KEY,
+        sshPort: process.env.SSH_PORT ? parseInt(process.env.SSH_PORT, 10) : 22,
+      });
+    }
+  }
+
+  return hosts;
+}
+
+function parseJsonConfig(): HostConfig[] {
+  if (!fs.existsSync(CONFIG_FILE)) return [];
+
+  try {
+    const content = fs.readFileSync(CONFIG_FILE, 'utf-8');
+    const data = JSON.parse(content);
+
+    if (!data.hosts || !Array.isArray(data.hosts)) {
+      return [];
+    }
+
+    return data.hosts.map((h: Partial<HostConfig>) => ({
+      name: h.name || '',
+      ip: h.ip || '',
+      sshUser: h.sshUser || 'bear',
+      sshKeyPath: h.sshKeyPath,
+      sshPort: h.sshPort || 22,
+    })).filter((h: HostConfig) => h.name && h.ip);
+  } catch {
+    return [];
+  }
+}
+
+export function getHostConfigs(): HostConfig[] {
+  const envHosts = parseEnvHosts();
+  if (envHosts.length > 0) {
+    return envHosts;
+  }
+
+  return parseJsonConfig();
+}
+
+export function hasConfig(): boolean {
+  return getHostConfigs().length > 0;
+}