Add conference switcher

[patrick91]

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[vercel]

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Project	Deployment	Actions	Updated (UTC)
pycon	Ready	Preview	Aug 14, 2026 8:23pm

[claude]

Adds a conference switcher to the dashboard sidebar: the backend now exposes a conference-scoped /dashboard/<code> route (redirecting from /dashboard to the most recent conference) and shares the conference list as Inertia props; the frontend renders a dropdown to switch between conferences.

Issues:

• Unscoped conference listing: _conferences() returns all conferences and is shared with any authenticated user — the login_required decorator is the only gate, and the user test fixture used in test_dashboard_shares_authenticated_user etc. is is_staff=False. Previously the dashboard only showed a static "PyCon Italia 2026" label; now every logged-in site user (not just staff/organizers) can see the full conference roster including organizer names via /dashboard. Worth confirming this is intentional for this dashboard's current audience, or scoping the list to conferences the user has access to.

• Route collision with reserved segment: dashboard/urls.py's <str:conference_code> converter matches any non-empty string, but pycon/urls.py lists path("dashboard/login", ...) before the include, so a conference with code="login" would be permanently unreachable at /dashboard/login (it would hit the login view instead). Minor/unlikely, but worth a code validator or reserved-word check if conference codes are user-editable.

• Minor inefficiency: dashboard_index calls _conferences() (which does a select_related("organizer") fetch of every conference) purely to read conferences[0].code for the redirect. Since this runs on every hit to bare /dashboard, this could instead be a lightweight .values_list("code", flat=True).first()-style query.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.89%. Comparing base (177fb7e) to head (421f609).

Additional details and impacted files

@@                      Coverage Diff                      @@
##           2026-08-06-add-login-page    #4775      +/-   ##
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+ Coverage                      92.87%   92.89%   +0.01%     
=============================================================
  Files                            363      363              
  Lines                          11192    11211      +19     
  Branches                         896      898       +2     
=============================================================
+ Hits                           10395    10414      +19     
  Misses                           675      675              
  Partials                         122      122              

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