## ADDED Requirements

### Requirement: Company and product overview document
The system SHALL include a document (`docs/engineering/01-overview.md`) that explains SentryAgent.ai's mission, the AgentIdP product, target users, and why the product exists — providing new engineers with business and product context before they read any technical content.

#### Scenario: Mission and vision covered
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL understand what SentryAgent.ai builds, why it exists, and what problem it solves for AI developers

#### Scenario: AGNTCY alignment explained
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL understand what AGNTCY is, why SentryAgent.ai aligns to it, and what "first-class agent identity" means

#### Scenario: Product features listed
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL see a summary of all product capabilities: agent registry, OAuth 2.0 auth, credential management, audit logs, SDKs, web dashboard, policy engine, and monitoring

#### Scenario: Phase roadmap visible
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL understand which capabilities belong to Phase 1, Phase 2, and Phase 3

#### Scenario: Engineering team structure explained
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL understand the Virtual Engineering Team model (CTO → Architect → Developer → QA) and how Claude operates as the engineering partner

#### Scenario: Free tier limits documented
- **WHEN** a new engineer reads 01-overview.md
- **THEN** they SHALL see the free tier limits (100 agents, 10,000 token requests/month, 90-day audit retention, 100 req/min) and understand the product's positioning
