FRE-588: Complete tRPC/Clerk integration with database schema updates

- Updated router.ts middleware for Clerk authentication
- Modified test contexts to use clerkUserId
- Added team tables to test schema
- Updated WaitlistForm and waitlist page
- Created src/server/trpc/ parallel structure

All 258 tests pass. Ready for Security Reviewer.

node_modules/.vite/vitest/results.json

@@ -1 +1 @@
-{"version":"1.6.1","results":[[":server/trpc/project-router.test.ts",{"duration":30,"failed":true}]]}
+{"version":"1.6.1","results":[[":src/lib/collaboration/crdt-document.test.ts",{"duration":45,"failed":false}],[":src/lib/collaboration/presence.test.ts",{"duration":15,"failed":false}],[":src/lib/export/fdx.test.ts",{"duration":9,"failed":false}],[":src/lib/export/pdf.test.ts",{"duration":9,"failed":false}],[":src/lib/export/preview.test.ts",{"duration":8,"failed":false}],[":src/lib/collaboration/integration.test.ts",{"duration":25,"failed":false}],[":src/lib/revisions/diff.test.ts",{"duration":10,"failed":false}],[":src/lib/screenplay/format.test.ts",{"duration":8,"failed":false}],[":src/lib/collaboration/change-merge-integration.test.ts",{"duration":28,"failed":false}],[":src/lib/collaboration/change-tracker.test.ts",{"duration":47,"failed":false}],[":src/lib/export/manager.test.ts",{"duration":12,"failed":false}],[":src/lib/collaboration/collaboration.test.ts",{"duration":1542,"failed":false}],[":src/lib/export/fountain.test.ts",{"duration":8,"failed":false}],[":src/lib/export/screenplay-pro.test.ts",{"duration":8,"failed":false}],[":src/lib/screenplay/detect.test.ts",{"duration":7,"failed":false}],[":src/components/collaboration/collaborator-list.test.tsx",{"duration":4,"failed":false}],[":server/trpc/project-router.test.ts",{"duration":57,"failed":false}],[":server/trpc/revisions-router.test.ts",{"duration":47,"failed":false}],[":server/trpc/character-router.test.ts",{"duration":52,"failed":false}]]}