saridsa2 aa41a2abb7 feat: widget chat with generative UI, branch selection, captcha gate, lead dedup ...

- Streaming AI chat via Vercel AI SDK v6 UI message stream — tool-based
  generative UI (pick_branch, list_departments, show_clinic_timings,
  show_doctors, show_doctor_slots, suggest_booking). Typing indicator,
  markdown suppressed, text parts hidden when widgets are rendered.
- Centralized Preact store (store.tsx) for visitor, leadId, captchaToken,
  bookingPrefill, doctors roster, branches, selectedBranch — replaces prop
  drilling across chat/book/contact tabs.
- Cloudflare Turnstile captcha gate rendered via light-DOM portal so it
  renders correctly inside the shadow DOM (Turnstile CSS doesn't cross
  shadow boundaries).
- Lead dedup helper (findOrCreateLeadByPhone, 24h phone window) shared
  across chat-start / book / contact so one visitor == one lead. Booking
  upgrades existing lead status NEW → APPOINTMENT_SET via updateLeadStatus.
- Pre-chat name+phone form captures the visitor; chat transcript logged
  to leadActivity records after each stream.
- Booking wizard gains a branch step 0 (skipped for single-branch
  hospitals); departments + doctors filtered by selectedBranch. Chat slot
  picks prefill the booking details step and lock the branch.
- Window-level captcha gate, modal maximize mode, header badge showing
  selected branch, widget font inherits from host page (fix :host { all:
  initial } override).
- 23 FA Pro 7.1 duotone icons bundled — medical departments, nav, actions,
  hospital/location-dot for branch context.
- main.ts: resolve public/ from process.cwd() so widget.js serves in both
  dev and prod. tsconfig: exclude widget-src/public/data from server tsc.
- captcha.guard: switch from reCAPTCHA v3 to Cloudflare Turnstile verify.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-06 16:04:46 +05:30

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