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+---
+id: task-056
+title: Test Infrastructure & Merge Readiness Tests
+status: Done
+assignee: []
+created_date: '2025-12-18 07:25'
+labels:
+  - testing
+  - ci-cd
+  - infrastructure
+dependencies: []
+priority: high
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+Established comprehensive testing infrastructure to verify readiness for merging dev to main. Includes:
+
+- Vitest for unit/integration tests
+- Playwright for E2E tests
+- Miniflare setup for worker tests
+- GitHub Actions CI/CD pipeline with 80% coverage gate
+
+Test coverage for:
+- Automerge CRDT sync (collaboration tests)
+- Offline storage/cold reload
+- CryptID authentication (registration, login, device linking)
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+<!-- AC:BEGIN -->
+- [ ] #1 Vitest configured with jsdom environment
+- [ ] #2 Playwright configured for E2E tests
+- [ ] #3 Unit tests for crypto and IndexedDB document mapping
+- [ ] #4 E2E tests for collaboration, offline mode, authentication
+- [ ] #5 GitHub Actions workflow for CI/CD
+- [ ] #6 All current tests passing
+<!-- AC:END -->