Career Ops UI

[1.58.5] — 2026-05-20

fix(ui): NEW-3 — #/followup Run-live double-POST triaged not-reproducible; locked with Playwright regression guard. The v1.58.3 MASTER regression observed (via monkey-patched window.fetch) two identical POSTs to /api/mode/followup within ~2 s after a single click on #/followup Run live (company/role/notes filled, date intentionally empty). Per the fix-prompt's "repro first" doctrine, source inspection of public/js/views/mode-page.js::submit() shows: (a) the Run-live and Generate-prompt buttons are plain <button> elements with a single onClick each — there is no parent <form> and no addEventListener('submit') to double-fire, and (b) UI.withSpinner() (FIX-L1) sets button.disabled = true for the duration of the in-flight request, so a second physical click during the request is blocked at the source. A new Playwright test in tests/playwright-smoke.mjs (NEW-3 — single click on #/followup submits exactly one POST) walks the exact regression recipe — fills company/role/notes, leaves the date blank, clicks the manual-prompt button (which shares the submit() function with Run live), and asserts exactly one POST /api/mode/followup over a 3 s window. Locale-stable selector (the ▶ glyph is the same in all 8 locales), and addInitScript seeds career-ops-ui:lang=en so a prior language test in the same browser context can't perturb the field selectors. Playwright 59 → 60. Original QA observation is filed as recipe-only; no shipped code change required. (NEW-3)