78 lines
2.0 KiB
Rust
78 lines
2.0 KiB
Rust
use crate::bus::{MediaItem, MediaRef, MessageSource};
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use async_trait::async_trait;
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#[derive(Debug, Clone)]
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pub struct ToolResult {
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pub success: bool,
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pub output: String,
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pub error: Option<String>,
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}
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/// A tool result plus media artifacts that should be made available to a
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/// capable model on the next agent iteration.
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#[derive(Debug, Clone)]
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pub struct ToolResultWithMedia {
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pub result: ToolResult,
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pub media_refs: Vec<MediaRef>,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum OutboundDelivery {
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Delivered,
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AttachedToCurrentTurn,
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}
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impl From<ToolResult> for ToolResultWithMedia {
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fn from(result: ToolResult) -> Self {
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Self {
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result,
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media_refs: Vec::new(),
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}
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}
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}
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#[async_trait]
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pub trait Tool: Send + Sync + 'static {
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fn name(&self) -> &str;
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fn description(&self) -> &str;
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fn parameters_schema(&self) -> serde_json::Value;
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async fn execute(&self, args: serde_json::Value) -> anyhow::Result<ToolResult>;
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/// Execute the tool and return structured media artifacts when applicable.
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/// Most tools only return text and use this default implementation.
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async fn execute_with_media(
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&self,
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args: serde_json::Value,
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) -> anyhow::Result<ToolResultWithMedia> {
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self.execute(args).await.map(Into::into)
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}
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/// Whether this tool is side-effect free and safe to parallelize.
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fn read_only(&self) -> bool {
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false
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}
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/// Whether this tool can run alongside other concurrency-safe tools.
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fn concurrency_safe(&self) -> bool {
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self.read_only() && !self.exclusive()
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}
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/// Whether this tool should run alone even if concurrency is enabled.
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fn exclusive(&self) -> bool {
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false
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}
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}
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#[async_trait]
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pub trait OutboundMessenger: Send + Sync {
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async fn send_message(
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&self,
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channel: &str,
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chat_id: &str,
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dialog_id: Option<&str>,
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content: &str,
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source: MessageSource,
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media: Vec<MediaItem>,
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) -> Result<OutboundDelivery, String>;
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}
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