sync: update from private repo (6c4d482)

src/engine/tools/console-run-lib.ts

@@ -0,0 +1,45 @@
+import { randomBytes } from 'node:crypto';
+
+const MARKER_PREFIX = '__MAESTRO_DONE_';
+
+export function makeNonce(): string {
+  return randomBytes(16).toString('hex');
+}
+
+export function makeMarkerCommand(command: string, nonce: string): { text: string; marker: string } {
+  const marker = `${MARKER_PREFIX}${nonce}:`;
+  // `$?` after `command;` reflects the command's exit code.
+  return { text: `${command}; echo "${marker}$?__"\n`, marker };
+}
+
+export function parseMarker(text: string, nonce: string): { found: boolean; exitCode: number | null } {
+  const re = new RegExp(`${MARKER_PREFIX}${nonce}:(\\d+)__`);
+  const m = re.exec(text);
+  if (!m) return { found: false, exitCode: null };
+  return { found: true, exitCode: Number(m[1]) };
+}
+
+// Best-effort: drop the echoed command line and the marker line(s). PTY echo /
+// prompt noise may remain — perfect formatting is a non-goal.
+export function extractOutput(raw: string, command: string, nonce: string): string {
+  const markerRe = new RegExp(`${MARKER_PREFIX}${nonce}:.*?__`);
+  return raw
+    .split('\n')
+    .filter((line) => !markerRe.test(line))
+    .filter((line) => line.trim() !== `${command}; echo "${MARKER_PREFIX}${nonce}:$?__"`)
+    .join('\n');
+}
+
+const WAITING_RE = /(password:|\[y\/n\]|\(yes\/no\)\??|continue\?|press .*key|passphrase:)\s*$/i;
+export function detectWaitingForInput(screenTail: string): boolean {
+  const lastLines = screenTail.split('\n').slice(-3).join('\n').trim();
+  return WAITING_RE.test(lastLines);
+}
+
+export interface InterruptLiveness { idleMs: number; msSinceAiInput: number; sessionAgeMs: number; }
+const GUARD_IDLE_MS = 3000, GUARD_RECENT_INPUT_MS = 5000, GUARD_SESSION_AGE_MS = 5000;
+export function shouldGuardInterrupt(l: InterruptLiveness, confirmInterrupt: boolean): boolean {
+  if (confirmInterrupt) return false;
+  const alive = l.idleMs < GUARD_IDLE_MS || l.msSinceAiInput < GUARD_RECENT_INPUT_MS || l.sessionAgeMs < GUARD_SESSION_AGE_MS;
+  return alive; // true => block the interrupt
+}