MechaCat02 70e8a7895c fix(crawler): relaunch chromium on CDP / nav-timeout errors (0.36.3) ...

BrowserManager only re-launched chromium when the cached handle was
None. A crash mid-pass left the handle Some pointing at a dead
process — every subsequent acquire returned the zombie Browser, and
every nav cascaded CDP errors until the idle reaper fired.

Add BrowserManager::invalidate(): take the inner mutex, drop the
handle (closing it if present), and signal the next acquire to
relaunch. Idempotent — invalidating an empty handle is a no-op.

Wire detection via NavError::is_likely_browser_dead and a
chain-walking anyhow_looks_browser_dead helper: substring-match
common channel/connection/transport/WebSocket markers and surface
NavError::Timeout as "presumed dead." Apply at both error
boundaries — RealChapterDispatcher::dispatch and
RealMetadataPass::run.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-30 18:39:19 +02:00

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