feat: deploy to Hostinger VPS, switch to global_healthx Ozonetel account

- Add helix.svg and PNG favicon (generated via nano-banana)
- Update page title to "Helix Engage" with proper meta tags
- Make seed scripts configurable via SEED_GQL/SEED_ORIGIN env vars
- Support remote workspace member IDs in seed-data.ts
- Dynamic doctor-to-clinic linking in seed-new-entities.ts (fetch IDs from platform)
- Remove deprecated branchClinic field from seed data
- Fix TypeScript errors: callNotes null vs undefined, Lead type casting

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

scripts/test-ai-flow.ts

@@ -5,9 +5,9 @@
  * Run: cd helix-engage && npx tsx scripts/test-ai-flow.ts
  */
 
-const GQL = 'http://localhost:4000/graphql';
+const GQL = process.env.SEED_GQL ?? 'http://localhost:4000/graphql';
 const SUB = 'fortytwo-dev';
-const ORIGIN = 'http://fortytwo-dev.localhost:4010';
+const ORIGIN = process.env.SEED_ORIGIN ?? 'http://fortytwo-dev.localhost:4010';
 
 // Rekha's credentials
 const AGENT_EMAIL = 'rekha.cc@globalhospital.com';