fix(routing): keep query params when redirecting to the default mentor

[sonegillis1]

Problem

Visiting http://localhost:3001/?embed=true&mode=anonymous&extra-body-classes=iframed-externally&component=chat produced:

1. /?embed=… → /platform/<tenant>/<mentorId>?embed=… (query preserved ✓)
2. → /platform/<tenant>/<mentorId> (query stripped ✗)

Expected: stay at step 1's URL with the params intact.

Root cause

redirectToMentor in providers/index.tsx fires twice. It only preserved the query when pathname === '/'. The SDK MentorProvider re-invokes it after the first redirect settles — by then pathname is /platform/<tenant>/<mentorId>, so queryParams is '' and it re-pushes the bare URL, stripping embed/mode/component/etc.

Fix

Guard redirectToMentor to bail out when already on the target mentor path, so the redundant self-redirect doesn't drop the query string. All existing navigation behavior is otherwise untouched.

function redirectToMentor(tenantKey, mentorId) {
  const targetPath = `/platform/${tenantKey}/${mentorId}`;
  if (window.location.pathname === targetPath) return; // already here — don't strip
  let queryParams = '';
  if (window.location.pathname === '/') queryParams = window.location.search;
  router.push(`${targetPath}${queryParams}`);
}

Tests

Added a provider unit test asserting redirectToMentor is a no-op (no re-push) when already on the target mentor. Full provider suite green (117 passed); full pre-push unit suite passed (10,564).

Note

Pushed with --no-verify (author-authorized): the pre-push suite passed but git push hit the repeated SIGPIPE-after-pass transport flake. Worth verifying in the browser that the embed URL now stays put; if a params-stripping second redirect persists, the SDK MentorProvider may need a look too.

🤖 Generated with Claude Code

[mamigot]

Claude finished @sonegillis1's task —— View job

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E2E Coverage Review

• Dismiss stale REQUEST_CHANGES reviews (none found)
• Identify changed files — no new page.tsx routes
• Run mechanical coverage check — passed (545 checkpoints, 25/25 files mapped)
• Applied decision logic: CASE E — approved

✅ E2E Coverage — No Issues

No new app routes were introduced (providers/index.tsx, providers/__tests__/index.test.tsx, CHANGELOG.md only). All existing coverage is intact.

Coverage check: 545 checkpoints unchanged · 25/25 app pages mapped (100%)

[mamigot]

✅ E2E Coverage — No Issues

No new app routes were introduced. All existing coverage is intact.

Coverage check result: 545 checkpoints unchanged, 25/25 app pages mapped (100%).