feat(ui): add type filter toggles

server/types.ts

@@ -0,0 +1,78 @@
+/**
+ * Backend Types for Homelab Topology Visualizer
+ * 
+ * Type definitions for server-side operations including:
+ * - Host configuration for SSH connections
+ * - API response types for discovery, config, files, and stats
+ */
+
+export interface HostConfig {
+  /** Hostname for display in topology */
+  name: string;
+  /** IP address for SSH connection */
+  ip: string;
+  /** SSH username */
+  sshUser: string;
+  /** Optional path to SSH private key file */
+  sshKeyPath?: string;
+  /** Optional SSH port (defaults to 22) */
+  sshPort?: number;
+}
+
+export interface DiscoveryResponse {
+  /** Array of discovered hosts with their status */
+  hosts: Array<{
+    name: string;
+    ip: string;
+    online: boolean;
+    containers?: string[];
+    error?: string;
+  }>;
+  /** Timestamp of discovery run */
+  timestamp: string;
+  /** Any errors encountered during discovery */
+  errors: string[];
+}
+
+export interface ConfigResponse {
+  /** Raw YAML configuration content */
+  yaml: string;
+  /** Path to the config file */
+  path: string;
+  /** Error message if config retrieval failed */
+  error?: string;
+}
+
+export interface VolumeMount {
+  /** Source path on host */
+  source: string;
+  /** Destination path in container */
+  destination: string;
+  /** Mount mode (e.g., 'rw', 'ro') */
+  mode: string;
+}
+
+export interface FilesResponse {
+  /** Array of volume mounts */
+  volumes: VolumeMount[];
+  /** Error message if file retrieval failed */
+  error?: string;
+}
+
+export interface NetworkStats {
+  /** Bytes received */
+  rx: number;
+  /** Bytes transmitted */
+  tx: number;
+}
+
+export interface StatsResponse {
+  /** CPU usage percentage */
+  cpu: number;
+  /** Memory usage percentage */
+  memory: number;
+  /** Network I/O statistics */
+  network: NetworkStats;
+  /** Error message if stats retrieval failed */
+  error?: string;
+}