flyer-crawler.projectium.com/docs/adr/adr-implementation-tracker.md

ADR Implementation Tracker

This document tracks the implementation status and estimated effort for all Architectural Decision Records (ADRs).

Effort Estimation Guide

Rating	Description	Typical Duration
S	Small - Simple, isolated changes	1-2 hours
M	Medium - Multiple files, some testing	Half day to 1 day
L	Large - Significant refactoring, many files	1-3 days
XL	Extra Large - Major architectural change	1+ weeks

Implementation Status Overview

Status	Count
Accepted (Fully Implemented)	28
Partially Implemented	2
Proposed (Not Started)	16

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Detailed Implementation Status

Category 1: Foundational / Core Infrastructure

ADR	Title	Status	Effort	Notes
ADR-002	Transaction Management	Accepted	-	Fully implemented
ADR-007	Configuration & Secrets	Accepted	-	Fully implemented
ADR-020	Health Checks	Accepted	-	Fully implemented
ADR-030	Circuit Breaker	Proposed	L	New resilience patterns needed

Category 2: Data Management

ADR	Title	Status	Effort	Notes
ADR-009	Caching Strategy	Accepted	-	Fully implemented
ADR-013	Schema Migrations v1	Proposed	M	Superseded by ADR-023
ADR-019	Backup & Recovery	Accepted	-	Fully implemented
ADR-023	Schema Migrations v2	Proposed	L	Requires tooling setup
ADR-031	Data Retention & Privacy	Proposed	XL	Legal/compliance review needed

Category 3: API & Integration

ADR	Title	Status	Effort	Notes
ADR-003	Input Validation	Accepted	-	Fully implemented
ADR-008	API Versioning	Proposed	L	Major URL/routing changes
ADR-018	API Documentation	Proposed	M	OpenAPI/Swagger setup
ADR-022	Real-time Notifications	Proposed	XL	WebSocket infrastructure
ADR-028	Response Standardization	Implemented	L	Completed (routes, middleware, tests)

Category 4: Security & Compliance

ADR	Title	Status	Effort	Notes
ADR-001	Error Handling	Accepted	-	Fully implemented
ADR-011	Authorization & RBAC	Proposed	XL	Policy engine, permission system
ADR-016	Security Hardening	Accepted	-	Fully implemented
ADR-029	Secret Rotation	Proposed	L	Infrastructure changes needed
ADR-032	Rate Limiting	Accepted	-	Fully implemented
ADR-033	File Upload & Storage	Accepted	-	Fully implemented

Category 5: Observability & Monitoring

ADR	Title	Status	Effort	Notes
ADR-004	Structured Logging	Accepted	-	Fully implemented
ADR-015	APM & Error Tracking	Proposed	M	Third-party integration

Category 6: Deployment & Operations

ADR	Title	Status	Effort	Notes
ADR-006	Background Jobs	Accepted	-	Fully implemented
ADR-014	Containerization	Partial	M	Docker done, K8s pending
ADR-017	CI/CD & Branching	Accepted	-	Fully implemented
ADR-024	Feature Flags	Proposed	M	New service/library needed
ADR-037	Scheduled Jobs	Accepted	-	Fully implemented
ADR-038	Graceful Shutdown	Accepted	-	Fully implemented

Category 7: Frontend / User Interface

ADR	Title	Status	Effort	Notes
ADR-005	State Management	Accepted	-	Fully implemented
ADR-012	Component Library	Partial	L	Core components done, design tokens pending
ADR-025	i18n & l10n	Proposed	XL	All UI strings need extraction
ADR-026	Client-Side Logging	Accepted	-	Fully implemented
ADR-044	Feature Organization	Accepted	-	Fully implemented

Category 8: Development Workflow & Quality

ADR	Title	Status	Effort	Notes
ADR-010	Testing Strategy	Accepted	-	Fully implemented
ADR-021	Formatting & Linting	Accepted	-	Fully implemented
ADR-027	Naming Conventions	Accepted	-	Fully implemented
ADR-045	Test Data Factories	Accepted	-	Fully implemented
ADR-047	Project Organization	Proposed	XL	Major reorganization

Category 9: Architecture Patterns

ADR	Title	Status	Effort	Notes
ADR-034	Repository Pattern	Accepted	-	Fully implemented
ADR-035	Service Layer	Accepted	-	Fully implemented
ADR-036	Event Bus	Accepted	-	Fully implemented
ADR-039	Dependency Injection	Accepted	-	Fully implemented
ADR-041	AI/Gemini Integration	Accepted	-	Fully implemented
ADR-042	Email & Notifications	Accepted	-	Fully implemented
ADR-043	Middleware Pipeline	Accepted	-	Fully implemented
ADR-046	Image Processing	Accepted	-	Fully implemented

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Work Still To Be Completed (Priority Order)

These ADRs are proposed but not yet implemented, ordered by suggested implementation priority:

Priority	ADR	Title	Effort	Rationale
1	ADR-018	API Documentation	M	Improves developer experience, enables SDK generation
2	ADR-015	APM & Error Tracking	M	Production visibility, debugging
3	ADR-024	Feature Flags	M	Safer deployments, A/B testing
4	ADR-023	Schema Migrations v2	L	Database evolution support
5	ADR-029	Secret Rotation	L	Security improvement
6	ADR-008	API Versioning	L	Future API evolution
7	ADR-030	Circuit Breaker	L	Resilience improvement
8	ADR-022	Real-time Notifications	XL	Major feature enhancement
9	ADR-011	Authorization & RBAC	XL	Advanced permission system
10	ADR-025	i18n & l10n	XL	Multi-language support
11	ADR-031	Data Retention & Privacy	XL	Compliance requirements

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Recent Implementation History

Date	ADR	Change
2026-01-09	ADR-047	Created - Documents target project file/folder organization with migration plan
2026-01-09	ADR-041	Created - Documents AI/Gemini integration with model fallback and rate limiting
2026-01-09	ADR-042	Created - Documents email and notification architecture with BullMQ queuing
2026-01-09	ADR-043	Created - Documents Express middleware pipeline ordering and patterns
2026-01-09	ADR-044	Created - Documents frontend feature-based folder organization
2026-01-09	ADR-045	Created - Documents test data factory pattern for mock generation
2026-01-09	ADR-046	Created - Documents image processing pipeline with Sharp and EXIF stripping
2026-01-09	ADR-026	Fully implemented - all client-side components, hooks, and services now use structured logger
2026-01-09	ADR-028	Fully implemented - all routes, middleware, and tests updated

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Notes

• Effort estimates are rough guidelines and may vary based on current codebase state
• Dependencies between ADRs should be considered when planning implementation order
• This document should be updated when ADRs are implemented or status changes