# Fapilog v3 Product Requirements Document (PRD)

## Table of Contents

- [Fapilog v3 Product Requirements Document (PRD)](#table-of-contents)
  - [Goals and Background Context](./goals-and-background-context.md)
    - [Goals](./goals-and-background-context.md#goals)
    - [Background Context](./goals-and-background-context.md#background-context)
    - [Built-in vs Plugin Feature Strategy](./goals-and-background-context.md#built-in-vs-plugin-feature-strategy)
    - [Built-in Security Model](./goals-and-background-context.md#built-in-security-model)
    - [Change Log](./goals-and-background-context.md#change-log)
  - [Requirements](./requirements.md)
    - [Functional](./requirements.md#functional)
    - [Non Functional](./requirements.md#non-functional)
  - [User Interface Design Goals](./user-interface-design-goals.md)
    - [Overall UX Vision](./user-interface-design-goals.md#overall-ux-vision)
    - [Key Interaction Paradigms](./user-interface-design-goals.md#key-interaction-paradigms)
    - [Core Screens and Views](./user-interface-design-goals.md#core-screens-and-views)
    - [Accessibility: WCAG AA](./user-interface-design-goals.md#accessibility-wcag-aa)
    - [Branding](./user-interface-design-goals.md#branding)
    - [Target Device and Platforms: Cross-Platform](./user-interface-design-goals.md#target-device-and-platforms-cross-platform)
  - [Technical Assumptions](./technical-assumptions.md)
    - [Repository Structure: Monorepo](./technical-assumptions.md#repository-structure-monorepo)
    - [Service Architecture: Monolith](./technical-assumptions.md#service-architecture-monolith)
    - [Testing Requirements: Full Testing Pyramid](./technical-assumptions.md#testing-requirements-full-testing-pyramid)
    - [Additional Technical Assumptions and Requests](./technical-assumptions.md#additional-technical-assumptions-and-requests)
  - [Epic List](./epic-list.md)
  - [Epic 1: Foundation & Core Architecture](./epic-1-foundation-core-architecture.md)
    - [Story 1.1: Async Container Architecture](./epic-1-foundation-core-architecture.md#story-11-async-container-architecture)
    - [Story 1.2: Async Component Registry](./epic-1-foundation-core-architecture.md#story-12-async-component-registry)
    - [Story 1.3: Async Error Handling Hierarchy](./epic-1-foundation-core-architecture.md#story-13-async-error-handling-hierarchy)
    - [Story 1.4: Async Configuration and Validation](./epic-1-foundation-core-architecture.md#story-14-async-configuration-and-validation)
  - [Epic 2: Performance Revolution](./epic-2-performance-revolution.md)
    - [Story 2.1: Zero-Copy Operations](./epic-2-performance-revolution.md#story-21-zero-copy-operations)
    - [Story 2.2: Parallel Processing Pipeline](./epic-2-performance-revolution.md#story-22-parallel-processing-pipeline)
    - [Story 2.3: Async Resource Management](./epic-2-performance-revolution.md#story-23-async-resource-management)
    - [Story 2.4: High-Performance Features](./epic-2-performance-revolution.md#story-24-high-performance-features)
  - [Epic 3: Plugin Ecosystem Foundation](./epic-3-plugin-ecosystem-foundation.md)
    - [Story 3.1: Universal Plugin Architecture](./epic-3-plugin-ecosystem-foundation.md#story-31-universal-plugin-architecture)
    - [Story 3.2: Plugin Marketplace Infrastructure](./epic-3-plugin-ecosystem-foundation.md#story-32-plugin-marketplace-infrastructure)
    - [Story 3.3: Developer Plugin Experience](./epic-3-plugin-ecosystem-foundation.md#story-33-developer-plugin-experience)
    - [Story 3.4: Enterprise Plugin Ecosystem](./epic-3-plugin-ecosystem-foundation.md#story-34-enterprise-plugin-ecosystem)
  - [Epic 4: Enterprise Compliance & Observability](./epic-4-enterprise-compliance-observability.md)
    - [Story 4.1: Enterprise Compliance Architecture](./epic-4-enterprise-compliance-observability.md#story-41-enterprise-compliance-architecture)
    - [Story 4.2: Enterprise Observability Standards](./epic-4-enterprise-compliance-observability.md#story-42-enterprise-observability-standards)
    - [Story 4.3: Enterprise Data Handling](./epic-4-enterprise-compliance-observability.md#story-43-enterprise-data-handling)
    - [Story 4.4: Enterprise Platform Integration](./epic-4-enterprise-compliance-observability.md#story-44-enterprise-platform-integration)
  - [Epic 5: Developer Experience & Documentation](./epic-5-developer-experience-documentation.md)
    - [Story 5.1: Async-First API Design](./epic-5-developer-experience-documentation.md#story-51-async-first-api-design)
    - [Story 5.2: Comprehensive Type Safety](./epic-5-developer-experience-documentation.md#story-52-comprehensive-type-safety)
    - [Story 5.3: Documentation Excellence](./epic-5-developer-experience-documentation.md#story-53-documentation-excellence)
    - [Story 5.4: Testing Excellence](./epic-5-developer-experience-documentation.md#story-54-testing-excellence)
  - [Epic 6: Testing & Quality Assurance](./epic-6-testing-quality-assurance.md)
    - [Story 6.1: Async Testing Framework](./epic-6-testing-quality-assurance.md#story-61-async-testing-framework)
    - [Story 6.2: Plugin Testing Framework](./epic-6-testing-quality-assurance.md#story-62-plugin-testing-framework)
    - [Story 6.3: Enterprise Compliance Testing](./epic-6-testing-quality-assurance.md#story-63-enterprise-compliance-testing)
    - [Story 6.4: Performance Testing & Benchmarks](./epic-6-testing-quality-assurance.md#story-64-performance-testing-benchmarks)
  - [Epic 7: Community & Ecosystem Growth](./epic-7-community-ecosystem-growth.md)
    - [Story 7.1: Community Contribution Framework](./epic-7-community-ecosystem-growth.md#story-71-community-contribution-framework)
    - [Story 7.2: Plugin Marketplace](./epic-7-community-ecosystem-growth.md#story-72-plugin-marketplace)
    - [Story 7.3: Ecosystem Growth Metrics](./epic-7-community-ecosystem-growth.md#story-73-ecosystem-growth-metrics)
    - [Story 7.4: Educational Content & Support](./epic-7-community-ecosystem-growth.md#story-74-educational-content-support)
  - [Epic 8: Production Excellence](./epic-8-production-excellence.md)
    - [Story 8.1: Production Monitoring & Observability](./epic-8-production-excellence.md#story-81-production-monitoring-observability)
    - [Story 8.2: Production Deployment Tools](./epic-8-production-excellence.md#story-82-production-deployment-tools)
    - [Story 8.3: Enterprise Production Support](./epic-8-production-excellence.md#story-83-enterprise-production-support)
    - [Story 8.4: Production Quality Assurance](./epic-8-production-excellence.md#story-84-production-quality-assurance)
  - [Epic 9: FastAPI Integration Layer](./epic-9-fastapi-integration-layer.md)
    - [Story 9.1: FastAPI Middleware for Request Context Logging](./epic-9-fastapi-integration-layer.md#story-91-fastapi-middleware-for-request-context-logging)
    - [Story 9.2: Request/Response Logging Plugin](./epic-9-fastapi-integration-layer.md#story-92-requestresponse-logging-plugin)
    - [Story 9.3: FastAPI Lifecycle Hook Registration](./epic-9-fastapi-integration-layer.md#story-93-fastapi-lifecycle-hook-registration)
    - [Story 9.4: FastAPI-Aware Exception Handling](./epic-9-fastapi-integration-layer.md#story-94-fastapi-aware-exception-handling)
    - [Story 9.5: FastAPI Logger DI via Depends](./epic-9-fastapi-integration-layer.md#story-95-fastapi-logger-di-via-depends)
    - [Story 9.6: FastAPI Test Fixtures for Logger Verification](./epic-9-fastapi-integration-layer.md#story-96-fastapi-test-fixtures-for-logger-verification)
  - [Checklist Results Report](./checklist-results-report.md)
  - [Next Steps](./next-steps.md)
    - [UX Expert Prompt](./next-steps.md#ux-expert-prompt)
    - [Architect Prompt](./next-steps.md#architect-prompt)
