[Init] Initial commit - NetMesh terminal manager

domain/systemManager/systemTarget.ts

@@ -0,0 +1,118 @@
+import { classifyDistroId, resolveHostOs } from '../host';
+import type { Host } from '../models/connection';
+import type { TerminalSession } from '../../types';
+import type { SessionCapabilities, SystemManagerSubTab } from './types';
+
+export function isNetworkDeviceTarget(host: Host | null | undefined): boolean {
+  if (host?.deviceType === 'network') return true;
+  return classifyDistroId(host?.distro) === 'network-device';
+}
+
+export function isDefiniteLinuxTarget(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+  _session: TerminalSession | null | undefined,
+): boolean {
+  if (capabilities?.targetOs && capabilities.targetOs !== 'unknown') return capabilities.targetOs === 'linux';
+  if (isNetworkDeviceTarget(host)) return false;
+  if (resolveHostOs(host) === 'linux') return true;
+  return false;
+}
+
+export function shouldShowProcessesTab(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+): boolean {
+  // Network appliances often lack a usable process table; only show after OS probe confirms.
+  if (isNetworkDeviceTarget(host)) {
+    const os = capabilities?.targetOs;
+    return os === 'linux' || os === 'darwin' || os === 'win32';
+  }
+  return true;
+}
+
+export function shouldShowTmuxTab(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+  session: TerminalSession | null | undefined,
+): boolean {
+  // Network appliances: detect-first only — do not guess from a Linux-like probe.
+  if (isNetworkDeviceTarget(host)) return capabilities?.hasTmux === true;
+  if (isDefiniteLinuxTarget(host, capabilities, session)) return true;
+  if (capabilities?.targetOs === 'darwin') return true;
+  if (resolveHostOs(host) === 'macos') return true;
+  return false;
+}
+
+export function shouldShowDockerTab(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+  session: TerminalSession | null | undefined,
+): boolean {
+  if (capabilities?.hasDocker === true) return true;
+  // Network appliances: never show Docker from an OS guess alone.
+  if (isNetworkDeviceTarget(host)) return false;
+  return isDefiniteLinuxTarget(host, capabilities, session);
+}
+
+/** GPU tab only appears after nvidia-smi / npu-smi is actually detected. */
+export function shouldShowGpuTab(
+  capabilities: SessionCapabilities | undefined,
+): boolean {
+  return capabilities?.hasNvidiaSmi === true || capabilities?.hasNpuSmi === true;
+}
+
+/** Ports tab only appears after a collector binary is detected (same detect-first model as GPU). */
+export function shouldShowPortsTab(
+  capabilities: SessionCapabilities | undefined,
+): boolean {
+  return (
+    capabilities?.hasSs === true
+    || capabilities?.hasNetstat === true
+    || capabilities?.hasLsof === true
+  );
+}
+
+/** Destructive port/service actions stay off for network appliances. */
+export function allowSystemManagerMutations(
+  host: Host | null | undefined,
+): boolean {
+  return !isNetworkDeviceTarget(host);
+}
+
+/** Services tab only appears after systemctl is detected. */
+export function shouldShowServicesTab(
+  capabilities: SessionCapabilities | undefined,
+): boolean {
+  return capabilities?.hasSystemctl === true;
+}
+
+export function shouldCollectServerStats(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+  _session: TerminalSession | null | undefined,
+): boolean {
+  const detectedDeviceClass = classifyDistroId(host?.distro);
+  if (isNetworkDeviceTarget(host) || detectedDeviceClass === 'network-device') return false;
+  if (capabilities?.targetOs && capabilities.targetOs !== 'unknown') {
+    return capabilities.targetOs === 'linux' || capabilities.targetOs === 'darwin' || capabilities.targetOs === 'windows';
+  }
+  const hostOs = resolveHostOs(host);
+  if (hostOs === 'linux' || hostOs === 'macos' || hostOs === 'windows') return true;
+  return false;
+}
+
+export function buildSystemManagerTabs(
+  host: Host | null | undefined,
+  capabilities: SessionCapabilities | undefined,
+  session: TerminalSession | null | undefined,
+): SystemManagerSubTab[] {
+  const tabs: SystemManagerSubTab[] = ['overview'];
+  if (shouldShowProcessesTab(host, capabilities)) tabs.push('processes');
+  if (shouldShowPortsTab(capabilities)) tabs.push('ports');
+  if (shouldShowServicesTab(capabilities)) tabs.push('services');
+  if (shouldShowTmuxTab(host, capabilities, session)) tabs.push('tmux');
+  if (shouldShowDockerTab(host, capabilities, session)) tabs.push('docker');
+  if (shouldShowGpuTab(capabilities)) tabs.push('gpu');
+  return tabs;
+}