fn parse_naive_datetime()

in crates/core/src/timeline/instant.rs [165:179]

• 14 lines of code
• 3 McCabe index (conditional complexity)

    fn parse_naive_datetime(timestamp: &str) -> Result<NaiveDateTime> {
        let naive_dt = NaiveDateTime::parse_from_str(&timestamp[..14], "%Y%m%d%H%M%S")
            .map_err(|e| CoreError::Timeline(format!("Failed to parse timestamp: {}", e)))?;

        if timestamp.len() == 17 {
            let millis: u32 = timestamp[14..]
                .parse()
                .map_err(|e| CoreError::Timeline(format!("Failed to parse milliseconds: {}", e)))?;
            naive_dt
                .with_nanosecond(millis * 1_000_000)
                .ok_or_else(|| CoreError::Timeline("Invalid milliseconds".to_string()))
        } else {
            Ok(naive_dt)
        }
    }