# OZON Seller API SDK Brownfield Enhancement Architecture

## Table of Contents

- [OZON Seller API SDK Brownfield Enhancement Architecture](#table-of-contents)
  - [Existing Project Analysis](./existing-project-analysis.md)
    - [Current Project State](./existing-project-analysis.md#current-project-state)
    - [Available Documentation](./existing-project-analysis.md#available-documentation)
    - [Identified Constraints](./existing-project-analysis.md#identified-constraints)
  - [Change Log](./change-log.md)
  - [Enhancement Scope and Integration Strategy](./enhancement-scope-and-integration-strategy.md)
    - [Enhancement Overview](./enhancement-scope-and-integration-strategy.md#enhancement-overview)
    - [Integration Approach](./enhancement-scope-and-integration-strategy.md#integration-approach)
    - [Compatibility Requirements](./enhancement-scope-and-integration-strategy.md#compatibility-requirements)
  - [Tech Stack Alignment](./tech-stack-alignment.md)
    - [Existing Technology Stack](./tech-stack-alignment.md#existing-technology-stack)
    - [New Technology Additions](./tech-stack-alignment.md#new-technology-additions)
  - [Data Models and Schema Changes](./data-models-and-schema-changes.md)
    - [New Data Models](./data-models-and-schema-changes.md#new-data-models)
      - [Analytics Category](./data-models-and-schema-changes.md#analytics-category)
      - [Finance Category](./data-models-and-schema-changes.md#finance-category)
      - [Remaining Categories (3-32)](./data-models-and-schema-changes.md#remaining-categories-3-32)
    - [Schema Integration Strategy](./data-models-and-schema-changes.md#schema-integration-strategy)
  - [Component Architecture](./component-architecture.md)
    - [New Components](./component-architecture.md#new-components)
      - [AnalyticsApi](./component-architecture.md#analyticsapi)
      - [FinanceApi](./component-architecture.md#financeapi)
      - [Remaining Categories (3-32)](./component-architecture.md#remaining-categories-3-32)
    - [Component Interaction Diagram](./component-architecture.md#component-interaction-diagram)
  - [Source Tree Integration](./source-tree-integration.md)
    - [Existing Project Structure](./source-tree-integration.md#existing-project-structure)
    - [New File Organization](./source-tree-integration.md#new-file-organization)
    - [Integration Guidelines](./source-tree-integration.md#integration-guidelines)
  - [Infrastructure and Deployment Integration](./infrastructure-and-deployment-integration.md)
    - [Existing Infrastructure](./infrastructure-and-deployment-integration.md#existing-infrastructure)
    - [Enhancement Deployment Strategy](./infrastructure-and-deployment-integration.md#enhancement-deployment-strategy)
    - [Rollback Strategy](./infrastructure-and-deployment-integration.md#rollback-strategy)
  - [Coding Standards and Conventions](./coding-standards-and-conventions.md)
    - [Existing Standards Compliance](./coding-standards-and-conventions.md#existing-standards-compliance)
    - [Enhancement-Specific Standards](./coding-standards-and-conventions.md#enhancement-specific-standards)
    - [Critical Integration Rules](./coding-standards-and-conventions.md#critical-integration-rules)
  - [Testing Strategy](./testing-strategy.md)
    - [Integration with Existing Tests](./testing-strategy.md#integration-with-existing-tests)
    - [New Testing Requirements](./testing-strategy.md#new-testing-requirements)
      - [Unit Tests for New Components](./testing-strategy.md#unit-tests-for-new-components)
      - [Integration Tests](./testing-strategy.md#integration-tests)
      - [Regression Testing](./testing-strategy.md#regression-testing)
  - [Security Integration](./security-integration.md)
    - [Existing Security Measures](./security-integration.md#existing-security-measures)
    - [Enhancement Security Requirements](./security-integration.md#enhancement-security-requirements)
    - [Security Testing](./security-integration.md#security-testing)
  - [Checklist Results Report](./checklist-results-report.md)
    - [Architecture Validation Summary](./checklist-results-report.md#architecture-validation-summary)
    - [Validation Results by Section](./checklist-results-report.md#validation-results-by-section)
    - [Key Architecture Strengths](./checklist-results-report.md#key-architecture-strengths)
    - [Risk Assessment](./checklist-results-report.md#risk-assessment)
  - [Next Steps](./next-steps.md)
    - [Story Manager Handoff](./next-steps.md#story-manager-handoff)
    - [Developer Handoff](./next-steps.md#developer-handoff)