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ThePhaselessandClaude Opus 5
4e70c8b208
Follow-up to the earlier CI fix, after A/B-ing every change against main and
against this branch's original commit.
What measurably changed, and what did not:
- The solver's retry loop was unbounded (max_attempts = sys.maxsize). On a
challenge it cannot clear it retried ~1300 times per request and the caller
waited out the entire max_timeout for a 408 it was always going to get.
_solve_challenge now clicks, waits for the challenge markup to actually
disappear, and gives up when the budget does.
- That wait exists because the solver's own verdict is worthless here: it
judges its click with wait_for_load_state("networkidle"), which returned 9ms
after the click while Cloudflare was still showing "verifying you are
human", and then reported failure.
- The "is it still up?" check cannot use detect_cloudflare_challenge alone.
That matches any script under /cdn-cgi/challenge-platform/, and Cloudflare
serves its jsd bot-scoring beacon from the same path on cleared pages. Nor
can it use the widget iframe: a cleared nowsecure.nl carries two of those
with no challenge present. CHALLENGE_MARKERS matches the challenge
orchestrator script and the interstitial's own markup.
- test_tls_handshake_looks_like_firefox pins what this branch is actually for.
Measured through /v1 on the same host: main offers 52 cipher suites, this
branch 16, and real Firefox offers 16. route.fetch() was re-issuing
navigations through Playwright's HTTP client, and that is a fingerprint no
header spoofing hides. Unlike a Cloudflare verdict the count is
deterministic, so it is the one assertion here that cannot flake.
- Disabling COOP/COEP does let the solver reach and click the checkbox for the
first time (Cloudflare advances to "verifying you are human"), but it changed
no outcome across eight sites, and real Firefox ships those policies on.
Recorded in a comment rather than shipped.
test_bypass keeps a hard assertion against targets that clear from any network.
The four Cloudflare guards hardest move to xfail rather than skip: they still
run and still report, but Cloudflare's opinion of the runner's IP cannot turn
the build red.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>