When a desktop monitoring task fails with a non-retryable authorization failure
(login expired, challenge required, risk control), all pending same-client/same-platform
tasks for the same business day are immediately bulk-failed as non-retryable, avoiding
wasted execution attempts. Adds preflight authorization checks before task execution,
enriches failure payloads with disposition metadata (code, category, retryable flags),
and triggers account health reports on auth state degradation.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>