Off-by-default left headless-browser page JS/subresources/redirects able to reach
internal IPs (Chromium bypasses the reqwest SafeResolver). The crawler runs in the
backend container so it can't be network-isolated without breaking Postgres — the
CDP Fetch interceptor is the control. Flip CRAWLER_SSRF_INTERCEPT default to true
(config + .env.example + compose); off-path unchanged as break-glass. The
#[ignore]'d smoke test validates against real Chromium (command documented).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>