fix(ci): clear the E2E and Python drift the earlier failures were hiding

[hyperb1iss]

Third and hopefully final layer of the masked-failure onion. With the evdev
lint and the servo-lane import fixed, the conditional jobs finally executed on
main and surfaced two more stale artifacts:

• E2E (both legs): the displays-page journey drove the simulator UI that
  d753a92 removed by explicit call when Studio became the only nav. E2E only
  runs on main pushes and main was already red when that landed, so the suite
  never got to fail against the new IA until now. The daemon simulator API
  keeps its coverage (display_api_tests + api spec); the orphaned UI journey is
  retired, matching what wave 8 did to the inline tests. Global-setup still
  seeds a simulator.
• Python Client: the WS protocol constants never got a green regeneration
  after spec-71 added the input-event surface. Regenerated;
  just python-ws-protocol-check passes.

E2E is not verifiable locally (Linux stack build) — CI is the verifier here.

🤖 Generated with Claude Code

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📥 Commits

Reviewing files that changed from the base of the PR and between ba60bb8 and da3f064.

📒 Files selected for processing (2)

• e2e/tests/ui.spec.mjs
• python/src/hypercolor/ws_protocol.py

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