mitmproxy's aioquic/mitmproxy-rs deps have no free-threaded wheels and
source builds fail. Workload is I/O-bound so free-threading gave no
benefit. Switch .python-version to 3.14, drop /tmp stub overrides,
reinstall mitmproxy with real wheels (imports cleanly). Update README
and design spec to record the decision.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
16 bite-sized TDD tasks, bottom-up: core models/store/schema/doc,
then proxy/browser integration, then tools/agent/REPL/CLI, plus
end-to-end capture-to-spec smoke test.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>