Function random_jitter 

pub fn random_jitter(value: u64, factor: f64) -> u64

Apply random jitter to a value for backoff/retry timing.

Arguments

• value - Base value to apply jitter to
• factor - Jitter factor as a fraction (e.g., 0.25 for ±25%)

Returns

Value with random jitter applied in the range [value * (1 - factor), value * (1 + factor)]