OptionalAuthAuth-detour watchdog config; omitted → the watchdog is off.
Additional CSS selectors indicating the app is still busy. Merged with DEFAULT_BUSY_MARKERS — never replaces them.
OptionalLoopLoop-detection tuning; engine defaults apply when omitted.
OptionalReadinessA CSS selector polled before any heuristic; when it matches, the page is
declared ready. Apps that can declare readiness — e.g. by setting a data-*
attribute on <html> when the active route finishes loading — get
deterministic, zero-cost readiness. Omit to use the heuristics.
OptionalSettleSettle tuning; engine defaults apply when omitted.
App-specific readiness/busy signals the settle loop consults.