Add applicant dashboard and RSVP

[shreeyaadhikari]

Frontend Implementation of Dashboard and RSVP

🎫 Issue #467

▶ Changelist:

• Summary: Add applicant dashboard routing + six branch views, RSVP page, RHF+Zod form, and mock API endpoints.
• Key files changed in apps/app-portal: package.json, src/app/(applicant)/dashboard/page.tsx, src/app/(applicant)/rsvp/page.tsx, route.ts, lib/status/* (fetchPortalStatus, service, types, mock-singletons, machine), src/components/dashboard/* (six branch views, PortalShell, RsvpExperience, RsvpForm, ConfirmByCountdown, styles)

📝 Notes + 🚧 TODO:

• The server fetches /api/v1/status and renders the correct branch view
• React-hook-form for schema-first validation and good UX

🧪 Testing:

• Done by manual verification
• Visit /dashboard and confirm the correct branch view is rendered for each mock.
• Visit /rsvp: If not admitted or confirm-by expired, it redirects to /dashboard. If admitted + confirmBy in future, it shows RSVP experience.
• Fill the RSVP form and submit. The network tab should show POST to /api/v1/post-acceptance; on success, a toast appears and page redirects to /dashboard.
• ConfirmByCountdown updates every minute and disables the form after expiration.

🎥 Screenshots & Screencasts:

• Pre-Registration dashboard

• In-progress dashboard

• Submitted dashboard

• Admitted applicant dashboard

• Admitted applicant RSVP form with Confirm-by Countdown

• After Submitting RSVP dashboard

• Waitlisted applicant dashboard

• Declined applicant dashboard

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Project	Deployment	Actions	Updated (UTC)
core-live	Ready	Preview, Comment	Jun 3, 2026 10:39pm
core-main	Ready	Preview, Comment	Jun 3, 2026 10:39pm