feat: add E2E Playwright tests for booking flow

[devin-ai-integration]

What does this PR do?

Adds a new Playwright E2E test file (apps/web/playwright/booking-flow.e2e.ts) covering the public booking flow with 7 tests across 3 describe blocks:

Public page navigation:

• Navigate to a user's public booking page, verify event types are visible
• Select a time slot, verify the attendee form renders

Attendee details and confirmation:

• Fill in custom attendee name/email, confirm booking, verify success page shows correct attendee info
• Full end-to-end booking using bookTimeSlot helper, verify success page

Additional options:

• Book with notes field populated
• Book with additional guest emails
• Verify booking title is displayed on success page

Uses the existing test fixtures (users.create, users.deleteAll) and helpers (selectFirstAvailableTimeSlotNextMonth, bookTimeSlot, confirmBooking) — no new dependencies.

Visual Demo

Video Demo:

Mandatory Tasks

• I have self-reviewed the code.
• N/A — no documentation changes needed for test-only additions.
• I confirm automated tests are in place that prove my fix is effective or that my feature works.

How should this be tested?

# Start the dev server
yarn dev

# Run just the booking flow tests
PLAYWRIGHT_HEADLESS=1 yarn e2e apps/web/playwright/booking-flow.e2e.ts

• Requires a running PostgreSQL database with seeded data (yarn workspace @calcom/prisma db-seed)
• No special environment variables beyond the standard .env setup
• Expected: all 7 tests pass (~12s headless, ~30s headed)

Checklist

• My code follows the style guidelines of this project
• I have checked that my changes generate no new warnings

Link to Devin session: https://partner-workshops.devinenterprise.com/sessions/4d0b0df78ed9415d87251b612a91945d
Requested by: @bsmitches

[devin-ai-integration]

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[devin-ai-integration]

Devin Review found 1 potential issue.

[devin-ai-integration]

🚩 Significant overlap with existing booking-pages.e2e.ts tests

Several tests in this new file closely duplicate scenarios already covered in apps/web/playwright/booking-pages.e2e.ts. For example, the "can book with additional guests" test (line 95-113) mirrors the existing "can book with multiple guests" test at apps/web/playwright/booking-pages.e2e.ts:340-363, and the "can complete the full booking flow end-to-end" test (line 63-75) effectively does what bookFirstEvent already tests at apps/web/playwright/booking-pages.e2e.ts:157-159. This isn't a bug, but it adds E2E execution time without clear incremental coverage. Worth clarifying whether this file is intended to replace sections of booking-pages.e2e.ts or serve a distinct purpose.

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[devin-ai-integration]

Good observation. This file is intended as a self-contained, focused E2E suite specifically for the public booking flow (navigate → select slot → fill details → confirm). While there is some overlap with booking-pages.e2e.ts, that file covers a broader set of concerns (SSR/OG tags, special characters, prefill, layouts, reschedule, cancellation, slot reservation).

This file groups the core happy-path booking scenarios in one place for readability. If the team prefers consolidating into booking-pages.e2e.ts to avoid the extra execution time, happy to refactor — leaving as-is for now since the overlap is partial and the intent is distinct.