Items Requiring Developer Confirmation [CONFIRM WITH DEVELOPER]

The following architectural parameters and operational thresholds are derived from code inspection and should be verified with the lead developer:

1. [CONFIRM WITH DEVELOPER]: Confirm that the default reservation hold lease of 300 seconds (5 minutes) meets business requirements for checkout completion.
2. [CONFIRM WITH DEVELOPER]: Confirm whether the token bucket default burst capacity of 50 tokens and refill rate of 20 tokens/sec in flow/throttling.py aligns with production edge CDN rules.
3. [CONFIRM WITH DEVELOPER]: Confirm whether maximum discount caps default to 90.0% across all promotional campaigns in pricing/promotions.py.
4. [CONFIRM WITH DEVELOPER]: Confirm whether the account lockout cool-down base of 15 minutes with a max of 5 failed login attempts meets enterprise compliance standards.
5. [CONFIRM WITH DEVELOPER]: Confirm that the documented scheduled activation tolerance threshold of <= 1.0 second is acceptable under multi-region clock drift.