sz-orm-observability 1.1.0

SZ-ORM 可观测性模块：Prometheus exporter + OTLP exporter + SLO 燃烧率 + Grafana 仪表盘模板
Documentation 
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[package]
name = "sz-orm-observability"
version.workspace = true
edition.workspace = true
authors.workspace = true
license.workspace = true
repository.workspace = true
homepage.workspace = true
keywords.workspace = true
categories.workspace = true
description = "SZ-ORM 可观测性模块：Prometheus exporter + OTLP exporter + SLO 燃烧率 + Grafana 仪表盘模板"

[features]
default = []
# 启用 Prometheus exporter（暴露 /metrics HTTP 端点）
prometheus = ["dep:hyper", "dep:http-body-util"]
# 启用 OTLP exporter（导出 traces 到 OpenTelemetry Collector）
otlp = ["dep:opentelemetry", "dep:opentelemetry-otlp", "dep:opentelemetry_sdk"]

[dependencies]
sz-orm-core = { workspace = true }
tokio = { workspace = true }
async-trait = { workspace = true }
thiserror = { workspace = true }
serde = { workspace = true }
serde_json = { workspace = true }
chrono = { workspace = true }
parking_lot = { workspace = true }
tracing = { workspace = true }
# Prometheus exporter 依赖（可选）
hyper = { version = "1.4", optional = true, features = ["server", "http1"] }
http-body-util = { version = "0.1", optional = true }
# OTLP exporter 依赖（可选）
opentelemetry = { version = "0.27", optional = true }
opentelemetry-otlp = { version = "0.27", optional = true, features = ["tokio"] }
opentelemetry_sdk = { version = "0.27", optional = true, features = ["rt-tokio"] }

[dev-dependencies]
tokio = { workspace = true }

[lib]
name = "sz_orm_observability"
path = "src/lib.rs"

[lints]
workspace = true