max / pom

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1	//! Typed error enum for PoM, replacing `Box<dyn Error>` throughout the crate.
2
3	use thiserror::Error;
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5	#[derive(Debug, Error)]
6	pub enum PomError {
7	/// Filesystem errors (reading config, writing instance ID, etc.).
8	#[error(transparent)]
9	Io(#[from] std::io::Error),
10
11	/// SQLite query or connection errors.
12	#[error(transparent)]
13	Db(#[from] sqlx::Error),
14
15	/// Config file syntax errors (malformed TOML).
16	#[error(transparent)]
17	TomlParse(#[from] toml::de::Error),
18
19	/// Outbound HTTP request failures (health checks, peer heartbeats).
20	#[error(transparent)]
21	Http(#[from] reqwest::Error),
22
23	/// JSON serialization or deserialization errors.
24	#[error(transparent)]
25	Json(#[from] serde_json::Error),
26
27	/// Invalid tracing filter directives (e.g. bad `RUST_LOG` value).
28	#[error(transparent)]
29	LogFilter(#[from] tracing_subscriber::filter::ParseError),
30
31	/// Background task panicked or was cancelled.
32	#[error(transparent)]
33	Join(#[from] tokio::task::JoinError),
34
35	/// Application-level config validation errors (missing config file, unknown
36	/// target name, invalid instance). Distinct from `TomlParse` which covers
37	/// syntax-level TOML parse failures.
38	#[error("{0}")]
39	Config(String),
40	}
41
42	pub type Result<T> = std::result::Result<T, PomError>;
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