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105 lines
5.7 KiB
105 lines
5.7 KiB
# Checklist Results Report
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## Brownfield Architecture Validation
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### ✅ **Integration Assessment**
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- [x] **Existing system analysis completed** - DocuSeal architecture fully understood
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- [x] **Integration points identified** - 15+ existing components mapped
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- [x] **Compatibility requirements defined** - API, DB, UI, performance constraints
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- [x] **Risk assessment performed** - Technical, integration, deployment risks documented
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### ✅ **Technical Compatibility**
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- [x] **Ruby/Rails version compatibility** - Ruby 3.4.2, Rails 7.x maintained
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- [x] **Frontend framework compatibility** - Vue 3.3.2, Composition API for new components
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- [x] **Database compatibility** - Additive schema changes only, no modifications
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- [x] **External dependencies** - No new gems or npm packages required
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### ✅ **Architecture Patterns**
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- [x] **Follows existing MVC pattern** - Rails conventions maintained
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- [x] **Service layer consistency** - New services in `lib/cohorts/` match `lib/submissions/` pattern
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- [x] **Component architecture** - Vue 3 Composition API matches existing patterns
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- [x] **API design consistency** - RESTful endpoints follow existing v1 patterns
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### ✅ **Data Model Integration**
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- [x] **Foreign key relationships** - Links to existing User, Account, Template, Submission
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- [x] **No schema modifications** - Existing tables unchanged
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- [x] **Migration strategy** - Additive migrations with rollback capability
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- [x] **Backward compatibility** - 100% maintained
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### ✅ **Security & Authentication**
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- [x] **Existing auth reuse** - Devise + JWT unchanged
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- [x] **Authorization extension** - Cancancan extended for cohort permissions
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- [x] **Data isolation** - Institution-based multi-tenancy enforced
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- [x] **Token security** - Sponsor access via secure tokens
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### ✅ **Deployment & Operations**
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- [x] **Infrastructure compatibility** - No new services required
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- [x] **Deployment strategy** - Incremental, zero-downtime approach
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- [x] **Rollback plan** - Code and database rollback procedures defined
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- [x] **Monitoring integration** - Extends existing logging and metrics
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### ✅ **Testing Strategy**
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- [x] **Test framework compatibility** - RSpec patterns maintained
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- [x] **Integration testing** - Existing + new feature verification
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- [x] **Regression testing** - Full existing test suite requirement
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- [x] **Coverage targets** - 80% minimum on new code
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## Critical Architectural Decisions
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1. **Technology Stack:** ✅ **No new technologies** - Leverages existing DocuSeal stack entirely
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2. **API Strategy:** ✅ **Extend v1** - No new API version required
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3. **Database Strategy:** ✅ **Additive only** - Zero modifications to existing schema
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4. **UI Approach:** ✅ **Custom design system** - TailwindCSS only (no DaisyUI for portals)
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5. **Authentication:** ✅ **Reuse existing** - Devise + JWT unchanged
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6. **Multi-tenancy:** ✅ **Institution model** - Extends existing Account concept
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## Risk Mitigation Summary
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| Risk | Mitigation | Status |
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|------|------------|--------|
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| Performance degradation | Pagination, lazy loading, background processing | ✅ Addressed |
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| State management complexity | Database transactions, optimistic locking | ✅ Addressed |
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| Integration conflicts | Thorough testing, feature flags | ✅ Addressed |
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| Authentication conflicts | Reuse existing auth, extend carefully | ✅ Addressed |
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| Database migration failures | Test on production-like data, rollback plan | ✅ Addressed |
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## Architectural Decision Records (ADRs)
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**ADR-001: Brownfield Enhancement Strategy**
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- **Decision:** Use additive-only approach with no modifications to existing DocuSeal schema or core logic
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- **Rationale:** Minimizes risk, enables rollback, maintains 100% backward compatibility
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- **Alternatives Considered:** Fork DocuSeal, modify core tables, microservices
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- **Consequences:** ✅ Zero downtime, easy rollback | ⚠️ Careful FK management required
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**ADR-002: Custom UI Design System**
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- **Decision:** Use custom TailwindCSS design system (not DaisyUI) for new portals
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- **Rationale:** PRD requirement for custom UI/UX, better brand control, more flexibility
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- **Alternatives Considered:** Extend DaisyUI, use existing DaisyUI, new component library
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- **Consequences:** ✅ Tailored user experience | ⚠️ Additional CSS development time
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**ADR-003: Token-Based Sponsor Access**
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- **Decision:** Use unique tokens (not JWT) for sponsor portal authentication
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- **Rationale:** Sponsors don't need existing accounts, simple email-based access, no session complexity
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- **Alternatives Considered:** JWT tokens, magic links, OAuth
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- **Consequences:** ✅ Simple sponsor onboarding | ⚠️ Token security considerations
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**ADR-004: State Machine Pattern**
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- **Decision:** Use explicit state machine for cohort and enrollment states
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- **Rationale:** Complex workflow requires clear state definitions, prevents invalid transitions, provides audit trail
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- **Alternatives Considered:** Implicit state via flags, simple enum fields, external state engine
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- **Consequences:** ✅ Clear workflow logic | ⚠️ Additional code complexity
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**ADR-005: Excel Export Technology**
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- **Decision:** Use rubyXL gem for FR23 Excel export functionality
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- **Rationale:** Existing gem in Gemfile, mature library, no external dependencies
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- **Alternatives Considered:** CSV export, Axlsx, external service
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- **Consequences:** ✅ Simple implementation | ⚠️ Memory usage for large exports
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**ADR-006: Multi-Portal Architecture**
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- **Decision:** Three separate Vue applications (Admin, Student, Sponsor) with shared components
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- **Rationale:** Clear separation of concerns, role-specific UX, independent deployment
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- **Alternatives Considered:** Single SPA with routing, server-side rendering, separate repositories
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- **Consequences:** ✅ Clean architecture | ⚠️ Some code duplication
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---
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