Performance & Scalability

UC-NFR-001: WhatsApp Bot Latency

Purpose: Ensure real-time responsiveness for customer chat interactions.

Property	Value
Actor	System
Trigger	Customer message received
Priority	P0

Main Success Scenario:

1. Customer sends message.
2. System processes intent and generates response.
3. Response delivered to WhatsApp API.
4. Total round-trip time < 2 seconds.

Acceptance Criteria:

1. [ ] 95th percentile latency < 2s.
2. [ ] Handles 100 concurrent chats without degradation.

UC-NFR-002: Multi-Tenant Data Scale

Purpose: Ensure database performance scales with tenant growth.

Property	Value
Actor	System
Trigger	Database query
Priority	P1

Main Success Scenario:

1. Query executed for Tenant A.
2. Indexing usage verified.
3. Query returns in < 200ms regardless of Tenant B's data volume.

Acceptance Criteria:

1. [ ] Row-level security policies enforced.
2. [ ] No cross-tenant data leakage.