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simple_agent_type/
lib.rs

1//! Core types and traits for SimpleAgents.
2//!
3//! This crate provides all foundational types, traits, and error definitions
4//! shared across the SimpleAgents project. It is a pure types crate with no
5//! runtime, HTTP, or I/O dependencies.
6//!
7//! # Architecture
8//!
9//! SimpleAgents follows a trait-based architecture:
10//!
11//! - **Provider**: Trait for LLM provider implementations
12//!
13//! # Main Types
14//!
15//! - [`Message`]: Role-based conversation messages
16//! - [`CompletionRequest`]: Unified request format
17//! - [`CompletionResponse`]: Unified response format
18//! - [`ApiKey`]: Secure API key handling
19//!
20//! # Example
21//!
22//! ```
23//! use simple_agent_type::prelude::*;
24//!
25//! // Create a request
26//! let request = CompletionRequest::builder()
27//!     .model("gpt-4")
28//!     .message(Message::user("Hello!"))
29//!     .temperature(0.7)
30//!     .build()
31//!     .unwrap();
32//!
33//! // Access request properties
34//! assert_eq!(request.model, "gpt-4");
35//! assert_eq!(request.messages.len(), 1);
36//! ```
37//!
38//! # Features
39//!
40//! - **Type Safety**: Strong types prevent common errors
41//! - **Transparency**: All transformations tracked via [`CoercionFlag`]
42//! - **Security**: API keys never logged ([`ApiKey`])
43//! - **Validation**: Early validation with clear errors
44//! - **Async**: All traits use `async_trait`
45
46#![deny(missing_docs)]
47#![deny(unsafe_code)]
48
49// Core modules
50pub mod coercion;
51pub mod error;
52pub mod message;
53pub mod provider;
54pub mod request;
55pub mod response;
56/// Telemetry and tracing configuration types.
57pub mod telemetry;
58pub mod tool;
59pub mod validation;
60
61// Re-export commonly used types at crate root
62pub use error::{HealingError, ProviderError, Result, SimpleAgentsError, ValidationError};
63pub use telemetry::{ApiFormat, OtelProtocol, TelemetryConfig, TraceContext};
64
65/// Prelude module for convenient imports.
66///
67/// # Example
68/// ```
69/// use simple_agent_type::prelude::*;
70///
71/// let msg = Message::user("Hello!");
72/// let request = CompletionRequest::builder()
73///     .model("gpt-4")
74///     .message(msg)
75///     .build()
76///     .unwrap();
77/// ```
78pub mod prelude {
79    // Messages
80    pub use crate::message::{ContentPart, ImageUrlContent, Message, MessageContent, Role};
81
82    // Requests and responses
83    pub use crate::request::{CompletionRequest, CompletionRequestBuilder};
84    pub use crate::response::{
85        ChoiceDelta, CompletionChoice, CompletionChunk, CompletionResponse, FinishReason,
86        MessageDelta, Usage,
87    };
88
89    // Errors
90    pub use crate::error::{
91        HealingError, ProviderError, Result, SimpleAgentsError, ValidationError,
92    };
93
94    // Validation
95    pub use crate::validation::ApiKey;
96
97    // Coercion
98    pub use crate::coercion::{CoercionFlag, CoercionResult};
99
100    // Tool calling
101    pub use crate::tool::{
102        ToolCall, ToolCallFunction, ToolChoice, ToolChoiceFunction, ToolChoiceMode, ToolChoiceTool,
103        ToolDefinition, ToolFunction, ToolType,
104    };
105
106    // Traits
107    pub use crate::provider::Provider;
108
109    // Provider types
110    pub use crate::provider::{ProviderRequest, ProviderResponse};
111}
112
113#[cfg(test)]
114mod tests {
115    use super::prelude::*;
116
117    #[test]
118    fn test_prelude_imports() {
119        let _msg = Message::user("test");
120        let _request = CompletionRequest::builder()
121            .model("test")
122            .message(Message::user("test"))
123            .build()
124            .unwrap();
125    }
126
127    #[test]
128    fn test_error_conversion() {
129        let validation_err = ValidationError::new("test");
130        let _agents_err: SimpleAgentsError = validation_err.into();
131    }
132
133    #[test]
134    fn test_api_key_security() {
135        let key = ApiKey::new("sk-1234567890abcdef1234567890").unwrap();
136        let debug = format!("{:?}", key);
137        assert!(debug.contains("REDACTED"));
138    }
139
140    #[test]
141    fn test_coercion_transparency() {
142        let result = CoercionResult::new(42).with_flag(CoercionFlag::StrippedMarkdown);
143        assert!(result.was_coerced());
144        assert_eq!(result.flags.len(), 1);
145    }
146
147    #[test]
148    fn test_builder_pattern() {
149        let request = CompletionRequest::builder()
150            .model("gpt-4")
151            .message(Message::user("Hello"))
152            .temperature(0.7)
153            .build()
154            .unwrap();
155
156        assert_eq!(request.model, "gpt-4");
157        assert_eq!(request.temperature, Some(0.7));
158    }
159
160    #[test]
161    fn test_response_helper() {
162        let response = CompletionResponse {
163            id: "resp_123".to_string(),
164            model: "gpt-4".to_string(),
165            choices: vec![CompletionChoice {
166                index: 0,
167                message: Message::assistant("Hello!"),
168                finish_reason: FinishReason::Stop,
169                logprobs: None,
170            }],
171            usage: Usage::new(10, 5),
172            created: None,
173            provider: None,
174            healing_metadata: None,
175        };
176
177        assert_eq!(response.content(), Some("Hello!"));
178    }
179
180    #[test]
181    fn test_all_types_send_sync() {
182        fn assert_send_sync<T: Send + Sync>() {}
183
184        // Core types
185        assert_send_sync::<Message>();
186        assert_send_sync::<CompletionRequest>();
187        assert_send_sync::<CompletionResponse>();
188
189        // Coercion types
190        assert_send_sync::<CoercionFlag>();
191        assert_send_sync::<CoercionResult<String>>();
192
193        // Provider types
194        assert_send_sync::<ProviderRequest>();
195        assert_send_sync::<ProviderResponse>();
196    }
197}