[Init] Initial commit - NetMesh terminal manager

application/state/resolveTerminalSessionExitIntent.ts

@@ -0,0 +1,51 @@
+import type { ProviderValidationIssue } from "@netcatty/plugin-contract";
+
+export type TerminalSessionExitEvent = {
+  exitCode?: number;
+  signal?: number;
+  error?: string;
+  reason?: "exited" | "error" | "timeout" | "closed";
+  diagnostics?: ReadonlyArray<ProviderValidationIssue>;
+};
+
+export type TerminalSessionExitIntent =
+  | { kind: "closeSession" }
+  | { kind: "markDisconnected" };
+
+type TerminalPopupExitOptions = {
+  autoCloseOnExit?: boolean;
+  isAttachMode?: boolean;
+};
+
+function isConfirmedCleanExit(evt: TerminalSessionExitEvent): boolean {
+  return evt.reason === "exited" && evt.exitCode === 0;
+}
+
+export function resolveTerminalSessionExitIntent(
+  evt: TerminalSessionExitEvent,
+  autoCloseOnExit = true,
+): TerminalSessionExitIntent {
+  if (autoCloseOnExit && isConfirmedCleanExit(evt)) {
+    return { kind: "closeSession" };
+  }
+
+  // Non-zero or unknown exits, timeouts, transport errors, and channel closes
+  // should keep the tab visible so the user can inspect output and reconnect.
+  return { kind: "markDisconnected" };
+}
+
+export function shouldCloseTerminalPopupOnExit(
+  evt: TerminalSessionExitEvent,
+  options: TerminalPopupExitOptions = {},
+): boolean {
+  if (options.autoCloseOnExit === false) return false;
+  return options.isAttachMode === true || isConfirmedCleanExit(evt);
+}
+
+export function shouldRevealTerminalPopupOnExit(
+  _evt: TerminalSessionExitEvent,
+  options: TerminalPopupExitOptions = {},
+): boolean {
+  return options.autoCloseOnExit === false &&
+    options.isAttachMode !== true;
+}