Comprehensive API Documentation with OpenAPI

[TheFakeCreator]

Title: Generate Interactive API Documentation with Swagger/OpenAPI

Description:
Create comprehensive, interactive API documentation that's automatically generated from our code.

Acceptance Criteria:

• Set up OpenAPI/Swagger documentation generation
• Document all existing API endpoints
• Add request/response examples
• Include authentication flow documentation
• Set up automatic documentation updates
• Create developer onboarding guide

Technical Details:

• Use swagger-jsdoc and swagger-ui-express
• Integrate with existing Zod schemas
• Host documentation at /api/docs

Files to Create/Modify:

• backend/src/swagger/ (new directory)
• backend/src/app.ts (add swagger middleware)
• docs/API.md (enhance existing)

Tags: documentation api developer-experience good-first-issue
Priority: Medium
Estimated Effort: 3-5 days