Work Breakdown Structure (WBS) and Task Plan

1. Top-level workstreams

- 1.0 Project setup

- 2.0 Core platform architecture

- 3.0 Authentication and user management

- 4.0 Content and timeline

- 5.0 Federation layer

- 6.0 Payment layer

- 7.0 External content integration

- 8.0 Marketplace

- 9.0 Administration dashboard

- 10.0 Testing, security, and deployment

2. Detailed breakdown

1.0 Project setup

1. Set up workspace and repository.

2. Configure PHP and MySQL environments.

3. Configure autoloading and base settings.

4. Prepare logging and storage directories.

2.0 Core platform architecture

1. Define the modular monolith structure.

2. Configure service and repository layers.

3. Apply adapter, strategy, and factory patterns.

4. Prepare the base database schema.

3.0 Authentication and user management

1. Registration and login

2. Profile engine

3. Session authentication

4. API token management

5. Administration roles and permissions

4.0 Content and timeline

1. Post CRUD

2. Comments, likes, and bookmarks

3. Aggregated timeline queries

4. Local post presentation

5. Source attribution and visibility rules

5.0 Federation layer

1. Node registration

2. Capability discovery

3. Remote actor model

4. Activity queue and relay

5. Federated content handling

6.0 Payment layer

1. Define PaymentGatewayInterface.

2. Build PaymentGatewayFactory.

3. Implement the dummy gateway.

4. Add payment tables and configuration.

5. Build payment service and webhook pipeline.

6. Add refunds and duplicate-event protection.

7. Add gateway administration settings.

7.0 External content integration

1. Define ExternalContentProviderInterface.

2. Build ExternalConnectorFactory.

3. Implement RSS, Atom, and custom API connectors.

4. Build the integration queue and scheduler.

5. Build the normalized content model.

6. Display external attribution.

7. Add rate limiting, timeout, and retries.

8.0 Marketplace

1. Product data model

2. Product list and query

3. Local checkout flow

4. External-product labels

5. Federated order-request workflow

9.0 Administration dashboard

1. Settings pages

2. Payment configuration

3. External connection settings

4. Queue and scheduler monitoring

5. Security settings

10.0 Testing, security, and deployment

1. Payment service unit tests

2. Connector integration tests

3. Webhook idempotency tests

4. Credential and logging security audit

5. Deployment checklist

6. Documentation and handover

3. MVP priorities

Must have

- Project foundation

- Authentication and user profile

- Local posts

- Payment gateway abstraction

- RSS and custom API connectors

- Core database schema

- Smoke tests and validation

Should have

- Atom connector

- Timeline normalization

- Administration settings

- Integration queue

- Webhook processing

Nice to have

- OAuth connectors

- Advanced marketplace features

- Federated commerce

- Plugin marketplace

4. Suggested team

- 1 product owner or business analyst

- 1 backend developer

- 1 frontend developer

- 1 QA engineer

- Optional deployment/DevOps support

5. Deliverables

- BRD and PRD

- WBS and task plan

- MVP codebase

- Database schema

- Test and smoke-validation scripts

- Setup, architecture, journey, and API documentation