tael-server 0.1.0

AI-agent-native observability server — OTLP trace ingestion with DuckDB storage
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use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Span {
    pub trace_id: String,
    pub span_id: String,
    pub parent_span_id: Option<String>,
    pub service: String,
    pub operation: String,
    pub start_time: DateTime<Utc>,
    pub end_time: DateTime<Utc>,
    pub duration_ms: f64,
    pub status: SpanStatus,
    pub attributes: HashMap<String, String>,
    pub events: Vec<SpanEvent>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
#[serde(rename_all = "lowercase")]
pub enum SpanStatus {
    Ok,
    Error,
    Unset,
}

impl std::fmt::Display for SpanStatus {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            SpanStatus::Ok => write!(f, "ok"),
            SpanStatus::Error => write!(f, "error"),
            SpanStatus::Unset => write!(f, "unset"),
        }
    }
}

impl SpanStatus {
    pub fn from_str(s: &str) -> Self {
        match s.to_lowercase().as_str() {
            "ok" => SpanStatus::Ok,
            "error" => SpanStatus::Error,
            _ => SpanStatus::Unset,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SpanEvent {
    pub name: String,
    pub timestamp: DateTime<Utc>,
    pub attributes: HashMap<String, String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TraceComment {
    pub id: String,
    pub trace_id: String,
    pub span_id: Option<String>,
    pub author: String,
    pub body: String,
    pub created_at: String,
}

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct TraceQuery {
    pub service: Option<String>,
    pub operation: Option<String>,
    pub min_duration_ms: Option<f64>,
    pub max_duration_ms: Option<f64>,
    pub status: Option<String>,
    pub last_seconds: Option<i64>,
    pub limit: Option<u32>,
}