darman
5ac646b3c6
Adds the Tool trait, config loading/schema, the Provider trait plus an Llm event surface, a permission service, and the core engine loop with a doom-loop guard and retry scaffolding. The processor drives a text/tool-call/final-text turn against a Provider, laying the groundwork for the MockProvider integration test and the real Anthropic path.
57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
use std::path::Path;
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/// cwd, platform, date, best-effort git status. Kept as its own block (not merged into the
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/// agent prompt) because Anthropic cache breakpoints need the system prompt structured as
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/// separate blocks (see `LlmRequest.system: Vec<String>`).
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pub fn env_header(cwd: &Path) -> String {
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let git_status = std::process::Command::new("git")
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.arg("status")
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.arg("--short")
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.current_dir(cwd)
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.output()
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.ok()
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.filter(|o| o.status.success())
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.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
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.filter(|s| !s.is_empty());
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let mut header = format!(
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"Working directory: {}\nPlatform: {}\n",
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cwd.display(),
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std::env::consts::OS
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);
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if let Some(status) = git_status {
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header.push_str(&format!("Git status:\n{status}\n"));
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}
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header
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}
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/// Ordered system prompt blocks: environment header, agent prompt, then project
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/// instructions (e.g. AGENTS.md contents). Order matches `02-engine.md`.
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pub fn assemble(env_header: String, agent_prompt: &str, instructions: &[String]) -> Vec<String> {
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let mut blocks = vec![env_header, agent_prompt.to_string()];
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blocks.extend(instructions.iter().cloned());
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blocks
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn env_header_includes_cwd_and_platform() {
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let header = env_header(Path::new("."));
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assert!(header.contains("Working directory:"));
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assert!(header.contains(std::env::consts::OS));
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}
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#[test]
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fn assemble_orders_env_agent_then_instructions() {
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let blocks = assemble(
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"ENV".to_string(),
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"AGENT",
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&["AGENTS.md contents".to_string()],
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);
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assert_eq!(blocks, vec!["ENV", "AGENT", "AGENTS.md contents"]);
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}
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}
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