[Init] Initial commit - NetMesh terminal manager

domain/systemManager/types.ts

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+export type TargetOs = 'linux' | 'darwin' | 'win32' | 'unknown';
+
+export interface SessionCapabilities {
+  targetOs: TargetOs;
+  hasTmux: boolean;
+  hasDocker: boolean;
+  hasNvidiaSmi: boolean;
+  hasNpuSmi: boolean;
+  /** `ss` binary present (preferred listening-port collector). */
+  hasSs?: boolean;
+  /** `netstat` binary present (ports fallback). */
+  hasNetstat?: boolean;
+  /** `lsof` binary present (macOS / process-aware ports fallback). */
+  hasLsof?: boolean;
+  /** `systemctl` binary present. */
+  hasSystemctl?: boolean;
+  probedAt: number;
+}
+
+export type ListeningPortProtocol = 'tcp' | 'udp' | 'tcp6' | 'udp6' | 'unknown';
+
+export interface ListeningPortInfo {
+  protocol: ListeningPortProtocol;
+  address: string;
+  port: number;
+  pid: number | null;
+  processName: string;
+  /** Stable row id for list merging: protocol|address|port|pid */
+  id: string;
+}
+
+export type SystemdUnitActiveState =
+  | 'active'
+  | 'inactive'
+  | 'failed'
+  | 'activating'
+  | 'deactivating'
+  | 'reloading'
+  | 'unknown';
+
+export type SystemdUnitLoadState = 'loaded' | 'not-found' | 'bad-setting' | 'error' | 'masked' | 'unknown';
+export type SystemdUnitSubState = string;
+
+export interface SystemdUnitInfo {
+  name: string;
+  loadState: SystemdUnitLoadState;
+  activeState: SystemdUnitActiveState;
+  subState: SystemdUnitSubState;
+  description: string;
+  /** system or --user instance */
+  scope: 'system' | 'user';
+}
+
+export type SystemdUnitAction = 'start' | 'stop' | 'restart' | 'enable' | 'disable' | 'reload';
+
+export type AcceleratorVendor = 'nvidia' | 'ascend';
+
+export interface AcceleratorDeviceInfo {
+  vendor: AcceleratorVendor;
+  index: number;
+  uuid: string;
+  name: string;
+  utilizationPercent: number | null;
+  memoryUsedMb: number | null;
+  memoryTotalMb: number | null;
+  temperatureC: number | null;
+  powerDrawW: number | null;
+  powerLimitW: number | null;
+  fanPercent: number | null;
+  driverVersion: string | null;
+  health: string | null;
+}
+
+export interface AcceleratorProcessInfo {
+  vendor: AcceleratorVendor;
+  gpuIndex: number;
+  pid: number;
+  processName: string;
+  memoryUsedMb: number | null;
+}
+
+export interface AcceleratorSnapshot {
+  devices: AcceleratorDeviceInfo[];
+  processes: AcceleratorProcessInfo[];
+  nvidiaDriverVersion: string | null;
+  probedAt: number;
+}
+
+export interface SystemProcessInfo {
+  pid: number;
+  ppid: number;
+  user: string;
+  stat: string;
+  cpuPercent: number;
+  memPercent: number;
+  rssKb: number;
+  vszKb: number;
+  elapsed: string;
+  command: string;
+}
+
+export interface TmuxSessionInfo {
+  name: string;
+  windows: number;
+  attached: boolean;
+  created: number;
+  activity?: string;
+  group?: string;
+}
+
+export interface TmuxWindowInfo {
+  index: number;
+  name: string;
+  panes: number;
+  active: boolean;
+  layout: string;
+}
+
+export interface TmuxPaneInfo {
+  index: number;
+  title: string;
+  command: string;
+  active: boolean;
+  pid: number;
+  width: number;
+  height: number;
+}
+
+export interface TmuxClientInfo {
+  name: string;
+  tty: string;
+  activity: string;
+  session: string;
+}
+
+export type TmuxManageAction =
+  | { action: 'killSession'; sessionName: string }
+  | { action: 'renameSession'; sessionName: string; newName: string }
+  | { action: 'detachSession'; sessionName: string }
+  | { action: 'createWindow'; sessionName: string; windowName?: string }
+  | { action: 'killWindow'; sessionName: string; windowIndex: number }
+  | { action: 'renameWindow'; sessionName: string; windowIndex: number; newName: string }
+  | { action: 'killPane'; sessionName: string; windowIndex: number; paneIndex: number }
+  | { action: 'splitPane'; sessionName: string; windowIndex: number; paneIndex?: number; direction: 'horizontal' | 'vertical' }
+  | { action: 'sendKeys'; sessionName: string; windowIndex: number; paneIndex: number; keys: string; enter?: boolean }
+  | { action: 'selectWindow'; sessionName: string; windowIndex: number }
+  | { action: 'killServer' };
+
+export interface DockerContainerInfo {
+  id: string;
+  name: string;
+  image: string;
+  status: string;
+  state: string;
+  ports: string;
+  createdAt: string;
+}
+
+export interface DockerStatInfo {
+  id: string;
+  name: string;
+  cpuPercent: number;
+  memUsage: string;
+  memPercent: number;
+  netIO: string;
+  blockIO: string;
+  pids: number;
+}
+
+export interface DockerImageInfo {
+  id: string;
+  repository: string;
+  tag: string;
+  size: string;
+  createdAt: string;
+  digest?: string;
+  name: string;
+}
+
+/** Unique per `docker images` row — same layer id can have multiple repo:tag lines. */
+export function dockerImageRowKey(image: DockerImageInfo): string {
+  return `${image.id}\0${image.repository}\0${image.tag}`;
+}
+
+export type DockerContainerAction =
+  | 'start'
+  | 'stop'
+  | 'restart'
+  | 'rm'
+  | 'pause'
+  | 'unpause'
+  | 'kill'
+  | 'rename';
+
+export type DockerImageManageAction =
+  | { action: 'pull'; imageRef: string }
+  | { action: 'rm'; imageId: string; force?: boolean }
+  | { action: 'prune'; all?: boolean }
+  | { action: 'tag'; imageId: string; repository: string; tag?: string };
+
+export type SystemManagerSubTab =
+  | 'overview'
+  | 'processes'
+  | 'ports'
+  | 'services'
+  | 'tmux'
+  | 'docker'
+  | 'gpu';
+
+export interface TerminalPopupIcon {
+  kind: 'image';
+  src: string;
+  backgroundColor?: string;
+  alt?: string;
+}
+
+export interface TerminalPopupPayload {
+  popupId?: string;
+  title: string;
+  icon?: TerminalPopupIcon;
+  parentSessionId: string;
+  sourceSession: import('../../types').TerminalSession;
+  startupCommand: string;
+  localShellType?: import('../../types').TerminalSession['shellType'];
+  /**
+   * When set, the popup attaches to this already-running backend session
+   * (same PTY) instead of starting a new shell. Used for AI silent sessions.
+   */
+  attachSessionId?: string;
+  /** Ephemeral main-process grant bound to the attach popup window. */
+  attachAuthorization?: string;
+}