locode_engine/
config.rs

1//! Static per-session configuration for the loop.
2
3use std::path::PathBuf;
4use std::time::Duration;
5
6use locode_host::InstructionsConfig;
7use locode_provider::{CacheHint, SamplingArgs};
8
9/// Everything the loop needs that isn't the provider, registry, preamble, or sink.
10#[derive(Debug, Clone)]
11pub struct EngineConfig {
12    /// The session identifier (stamped into the report + `Init`).
13    pub session_id: String,
14    /// The harness pack in use, e.g. `grok` (stamped into the report + `Init`).
15    pub harness: String,
16    /// The wire schema in use, e.g. `anthropic`/`mock` (the provider's `api_schema`).
17    pub api_schema: String,
18    /// The model id (for `Init`).
19    pub model: String,
20    /// The working directory handed to each tool call.
21    pub cwd: PathBuf,
22    /// The path-jail root (ADR-0008), handed to each `ToolCtx`.
23    pub workspace_root: PathBuf,
24    /// The max sample→dispatch turns before terminating with `MaxTurns`
25    /// (ADR-0005 amendment 2026-07-18). **`None` (the default) = unlimited** —
26    /// every studied harness defaults to no cap (Claude Code's `maxTurns?` is
27    /// enforced only when set; grok's `max_turns: Option<u32>` defaults `None`;
28    /// codex has no turn cap at all).
29    pub max_turns: Option<u32>,
30    /// Bounded loop-level resample budget on retryable provider errors (ADR-0007).
31    pub resample_retries: u32,
32    /// Base backoff between resamples; the nth retry waits `base * n`. Set to zero
33    /// in tests to avoid real sleeps.
34    pub resample_backoff: Duration,
35    /// Provider-neutral sampling knobs.
36    pub sampling_args: SamplingArgs,
37    /// Prompt-cache placement hint for the wire.
38    pub cache_hint: CacheHint,
39    /// Use the streaming sample path ([`locode_provider::Provider::stream`]) instead of
40    /// [`locode_provider::Provider::complete`] (ADR-0021). Default **false** — the headless one-shot
41    /// stays non-streaming; the TUI sets this, and headless can opt in via
42    /// `--stream` (Anthropic rejects non-streaming requests past ~10 min, so
43    /// streaming is required for unbounded output). Emits `Event::MessageDelta`s;
44    /// the final `Message` is still appended whole, so the trace can stay
45    /// whole-message by dropping the deltas (Q1).
46    pub streaming: bool,
47    /// Shared project-instruction loading (`AGENTS.md`, ADR-0023): discovered from `cwd`
48    /// and injected once per session as a `User` `<system-reminder>`. Default = enabled.
49    pub instructions: InstructionsConfig,
50}
51
52impl Default for EngineConfig {
53    fn default() -> Self {
54        Self {
55            session_id: String::new(),
56            harness: String::new(),
57            api_schema: String::new(),
58            model: String::new(),
59            cwd: PathBuf::from("."),
60            workspace_root: PathBuf::from("."),
61            max_turns: None,
62            resample_retries: 2,
63            resample_backoff: Duration::from_millis(500),
64            sampling_args: SamplingArgs::default(),
65            cache_hint: CacheHint::default(),
66            streaming: false,
67            instructions: InstructionsConfig::default(),
68        }
69    }
70}
locode_engine/config.rs

locode_engine/
config.rs
